Gr 10 Math Nov P1 Mix
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Questions and Answers

Which of the following sets includes only non-negative numbers?

  • Natural Numbers (correct)
  • Rational Numbers
  • Integers
  • Imaginary Numbers
  • What is the correct symbol for the set of whole numbers?

  • N0 (correct)
  • N
  • Q
  • Z
  • Which of the following numbers is considered irrational?

  • sqrt{2} (correct)
  • 0.75
  • 1/3
  • 3
  • Which statement about integers is true?

    <p>They include both positive and negative numbers.</p> Signup and view all the answers

    Which subset of real numbers can be represented as a fraction?

    <p>Rational Numbers</p> Signup and view all the answers

    What characterizes irrational numbers?

    <p>Their decimal expansions are non-repeating and non-terminating.</p> Signup and view all the answers

    What is the symbol for rational numbers?

    <p>Q</p> Signup and view all the answers

    Which of the following numbers is classified as imaginary?

    <p>sqrt{-1}</p> Signup and view all the answers

    What is the product of the binomial extit{(A + B)} and the trinomial extit{(C + D + E)}?

    <p>A(C + D + E) + B(C + D + E)</p> Signup and view all the answers

    Which of the following describes a constant in algebra?

    <p>A term without a variable</p> Signup and view all the answers

    What is the formula for multiplying two binomials extit{(ax + b)(cx + d)}?

    <p>acx^2 + adx + bcx + bd</p> Signup and view all the answers

    What is the identity used for factorising the difference of two squares?

    <p>a^2 - b^2 = (a + b)(a - b)</p> Signup and view all the answers

    Which of the following correctly simplifies the expression extit{a/b × c/d}?

    <pre><code>extit{ac/bd} </code></pre> Signup and view all the answers

    What does the term 'exponent' refer to?

    <p>A number raised to a power</p> Signup and view all the answers

    Which process involves grouping terms with common factors?

    <p>Factorising by grouping</p> Signup and view all the answers

    In the context of equations, what does it mean for two expressions to be equal?

    <p>Both expressions represent the same quantity</p> Signup and view all the answers

    What is the first step in simplifying an algebraic fraction?

    <p>Identify and factor out common factors</p> Signup and view all the answers

    What is the resulting form of the difference of two cubes, represented by extit{x^3 - y^3}?

    <p>x^3 - y^3 = (x - y)(x^2 - xy + y^2)</p> Signup and view all the answers

    Which statement best defines an irrational number?

    <p>A number with a non-repeating, non-terminating decimal expansion.</p> Signup and view all the answers

    What is the first step in converting a terminating decimal into a rational number?

    <p>Identify the integer part.</p> Signup and view all the answers

    When rounding a number, if the digit after the required decimal place is less than 5, what should be done?

    <p>Leave the last digit unchanged.</p> Signup and view all the answers

    Which expression represents the process of multiplying two linear binomials?

    <p>acx^2 + adx + bcx + bd</p> Signup and view all the answers

    What type of number is \sqrt{4}?

    <p>Rational number</p> Signup and view all the answers

    How can an irrational number be represented more simply?

    <p>By rounding it off.</p> Signup and view all the answers

    What is the correct definition of a binomial?

    <p>An expression with two terms.</p> Signup and view all the answers

    What should you identify first when estimating surds?

    <p>Perfect squares or cubes</p> Signup and view all the answers

    Which of the following is an example of a terminating decimal?

    <p>2.75</p> Signup and view all the answers

    What do you call the numerical factor in a term?

    <p>Coefficient</p> Signup and view all the answers

    What is one method used to solve linear equations?

    <p>Expanding all brackets</p> Signup and view all the answers

    How many solutions can a linear equation have?

    <p>At most one solution</p> Signup and view all the answers

    Which is true about quadratic equations?

    <p>They can have at most one or two solutions</p> Signup and view all the answers

    What is the first step in solving simultaneous equations using substitution?

    <p>Express one variable in terms of the other</p> Signup and view all the answers

    What is a necessary condition for solving quadratic equations effectively?

    <p>The equation must be balanced</p> Signup and view all the answers

    Which of the following is not a step in the method for solving quadratic equations?

    <p>Combine like terms</p> Signup and view all the answers

    When solving by elimination, what is the first step?

    <p>Make the coefficients of a variable the same</p> Signup and view all the answers

    What does it mean if a quadratic equation has no solutions?

    <p>The quadratic does not intersect the x-axis</p> Signup and view all the answers

    Which step involves ensuring the quadratic is in the correct form?

    <p>Rewriting the equation</p> Signup and view all the answers

    Which of the following is true regarding solving equations?

    <p>Operations must be performed on both sides to maintain balance</p> Signup and view all the answers

    What does the solution of a system of simultaneous linear equations represent?

    <p>The intersection point of the graphs</p> Signup and view all the answers

    Which step is NOT part of the problem solving strategy for word problems?

    <p>Translate the words into a graphical representation</p> Signup and view all the answers

    What is a literal equation?

    <p>An equation with several letters or variables</p> Signup and view all the answers

    When solving the inequality $2x + 2 e 1$, what happens if both sides are multiplied by -1?

    <p>The inequality is reversed</p> Signup and view all the answers

    In the formula for a linear sequence $T_n = dn + c$, what does the variable $d$ represent?

    <p>The common difference between terms</p> Signup and view all the answers

    To find the common difference $d$ in a sequence, you calculate $T_n - T_{n-1}$. What does $T_n$ denote?

    <p>The $n$th term in the sequence</p> Signup and view all the answers

    When rearranging a literal equation to isolate an unknown variable, which principle is applied?

    <p>Perform the opposite operation on both sides</p> Signup and view all the answers

    What is the primary method used to solve linear inequalities?

    <p>Using similar operations as linear equations</p> Signup and view all the answers

    What term describes an ordered list of items, usually numbers?

    <p>Sequence</p> Signup and view all the answers

    What is the result of $(a^m)^n$ according to the power of a power rule?

    <p>$a^{mn}$</p> Signup and view all the answers

    In the equation $v = \frac{D}{t}$, what does $v$ represent?

    <p>Speed</p> Signup and view all the answers

    Which expression is equivalent to $a^{m/n} \times a^{p/q}$ using the multiplication of exponents rule?

    <p>$a^{m/n + p/q}$</p> Signup and view all the answers

    If $a^{m/n} = a^{p/q}$, what does it imply if the bases are the same?

    <p>$m/n = p/q$</p> Signup and view all the answers

    What is a linear sequence defined by?

    <p>The constant difference between successive terms</p> Signup and view all the answers

    Which of the following represents the zero exponent law?

    <p>$a^0 = 1$ for any $a$</p> Signup and view all the answers

    What is the simplified form of $ rac{a^m}{a^n}$ using the division of exponents rule?

    <p>$a^{m-n}$</p> Signup and view all the answers

    What does the constant 'm' represent in the equation of a straight line?

    <p>The gradient of the graph</p> Signup and view all the answers

    Which method is typically used to solve exponential equations when bases cannot easily be made the same?

    <p>Logarithms</p> Signup and view all the answers

    How does the value of 'c' affect a straight line graph?

    <p>It shifts the graph vertically</p> Signup and view all the answers

    What is the domain of a linear function of the form y = mx + c?

    <p>All real numbers</p> Signup and view all the answers

    When simplifying $\left(\frac{a}{b}\right)^n$, which exponent law is applied?

    <p>Raising a quotient to a power</p> Signup and view all the answers

    How do you calculate the y-intercept of a straight-line graph?

    <p>Set x = 0</p> Signup and view all the answers

    Which expression represents the prime factorization of an exponential expression?

    <p>Express each base as a prime number</p> Signup and view all the answers

    What effect does a positive value of 'a' have on a parabola?

    <p>The graph opens upwards</p> Signup and view all the answers

    What does a negative exponent indicate for a number $a$?

    <p>$a^{-n} = \frac{1}{a^n}$</p> Signup and view all the answers

    When rewriting an expression with fractional exponents like $\sqrt[n]{a}$, what is the correct conversion?

    <p>$a^{1/n}$</p> Signup and view all the answers

    What happens to the graph of the function y = ax^2 + q when q < 0?

    <p>The graph shifts downwards</p> Signup and view all the answers

    What kind of points are needed to sketch a straight-line graph effectively?

    <p>The x-intercept and the y-intercept</p> Signup and view all the answers

    What is the range of a linear function of the form f(x) = mx + c?

    <p>All real numbers</p> Signup and view all the answers

    What occurs when 'm' is set to 0 in the equation of a straight line?

    <p>The line becomes horizontal</p> Signup and view all the answers

    What happens to the graph of a parabola as the value of $a$ increases beyond 1?

    <p>The graph gets narrower.</p> Signup and view all the answers

    For which value of $a$ will the graph of the parabola open downwards?

    <p>Any negative value of $a$</p> Signup and view all the answers

    Where is the y-intercept of the function $y = ax^2 + q$ calculated?

    <p>By substituting $x = 0$</p> Signup and view all the answers

    If $q < 0$, what can be concluded about the range of the parabola when $a > 0$?

    <p>The range is $[q; ext{infinity})$.</p> Signup and view all the answers

    In the function $y = rac{a}{x} + q$, what is the domain of the function?

    <p>$ ext{All real numbers except } x=0$</p> Signup and view all the answers

    Which statement accurately describes the turning point of the quadratic function $f(x) = ax^2 + q$ when $a < 0$?

    <p>The turning point is a maximum.</p> Signup and view all the answers

    How is the horizontal asymptote defined in the hyperbolic function $y = rac{a}{x} + q$?

    <p>At $y = q$</p> Signup and view all the answers

    What effect does a negative value of $a$ have on the hyperbola $y = rac{a}{x} + q$?

    <p>The graph lies in the second and fourth quadrants.</p> Signup and view all the answers

    Which of the following best describes the axis of symmetry for the function $f(x) = ax^2 + q$?

    <p>The line $x = 0$</p> Signup and view all the answers

    What does the parameter $q$ determine in trigonometric functions?

    <p>The vertical shift</p> Signup and view all the answers

    Which formula represents accumulated amount with simple interest?

    <p>$A = P(1 + in)$</p> Signup and view all the answers

    In which scenario is compound interest MORE beneficial than simple interest?

    <p>Investing money over time</p> Signup and view all the answers

    What key variable is needed to calculate simple interest?

    <p>Principal amount</p> Signup and view all the answers

    How does inflation affect prices over time?

    <p>Inflation increases the price of goods and services</p> Signup and view all the answers

    What is the primary effect of compound interest on an investment?

    <p>Causes exponential growth</p> Signup and view all the answers

    What is required to identify asymptotes in functions like tangents?

    <p>Setting the denominator to zero</p> Signup and view all the answers

    What does the principal amount represent in the context of loans and investments?

    <p>The original amount invested or borrowed</p> Signup and view all the answers

    Which of these scenarios would utilize the compound interest formula?

    <p>Calculating the future value of a savings account</p> Signup and view all the answers

    What is meant by the term 'currency strength'?

    <p>The value of a currency in relation to another</p> Signup and view all the answers

    What is the general form of a function representing exponential growth?

    <p>y = ab^x + q, where b &gt; 1</p> Signup and view all the answers

    Which characteristic is true for the sine function?

    <p>The x-intercepts are located at (180°, 0)</p> Signup and view all the answers

    What effect does a positive value of q have on the graph of an exponential function?

    <p>It shifts the graph vertically upward.</p> Signup and view all the answers

    In the function y = a sin θ + q, what does the parameter a determine?

    <p>The amplitude of the wave</p> Signup and view all the answers

    For the function y = ab^x + q, what does the value of b represent?

    <p>The growth or decay factor</p> Signup and view all the answers

    What is the range of the sine function?

    <p>[-1, 1]</p> Signup and view all the answers

    Which type of asymptote do exponential functions have?

    <p>Horizontal asymptote at y = q</p> Signup and view all the answers

    What happens to the graph of y = ab^x + q when a is negative?

    <p>The graph curves downwards.</p> Signup and view all the answers

    In functions of the form y = cos θ, where are the maximum turning points located?

    <p>(0°, 1) and (360°, 1)</p> Signup and view all the answers

    What are the x-intercepts of the cosine function?

    <p>(90°, 0) and (270°, 0)</p> Signup and view all the answers

    What does the probability of the union of two events, A and B, account for?

    <p>It sums the probabilities of both events plus their intersection.</p> Signup and view all the answers

    What is the probability of two mutually exclusive events occurring together?

    <p>0</p> Signup and view all the answers

    Which statement is true about complementary events?

    <p>Their probabilities sum to 1.</p> Signup and view all the answers

    What does the identity P(A ∪ B) = P(A) + P(B) - P(A ∩ B) correct?

    <p>It subtracts the overlap of two events.</p> Signup and view all the answers

    What is the visual representation for mutually exclusive events?

    <p>Two separate circles.</p> Signup and view all the answers

    Which statement is a consequence of complementary events?

    <p>They cannot co-occur.</p> Signup and view all the answers

    What is represented by the area outside event A in a Venn diagram of sample space S?

    <p>The complement of event A, denoted as A'.</p> Signup and view all the answers

    What is the probability relationship for two mutually exclusive events A and B?

    <p>P(A ∪ B) = P(A) + P(B)</p> Signup and view all the answers

    Which identity demonstrates that the union of an event and its complement covers the sample space?

    <p>A ∪ A' = S</p> Signup and view all the answers

    What can be inferred if two events A and B have a probability of intersection equal to zero?

    <p>They are mutually exclusive events.</p> Signup and view all the answers

    What is the period of the cosine function?

    <p>360°</p> Signup and view all the answers

    What effect does a negative value of the coefficient 'a' have on the parabola's graph?

    <p>It changes the graph from a smile to a frown.</p> Signup and view all the answers

    What is the range of the tangent function, y = tan θ?

    <p>All real numbers</p> Signup and view all the answers

    Which statement about the y-intercept of the tangent function is correct?

    <p>It can be found by solving y = a tan(0°) + q.</p> Signup and view all the answers

    How can the cosine graph be related to the sine graph?

    <p>The cosine graph is a phase shift of the sine graph by 90°.</p> Signup and view all the answers

    What effect does the value of 'q' have on the tangent function graph?

    <p>It shifts the graph vertically.</p> Signup and view all the answers

    What is the correct expression for the domain of the tangent function, y = a tan θ + q?

    <p>{θ : 0° ≤ θ ≤ 360°, θ ≠ 90°, 270°}</p> Signup and view all the answers

    How can the value of 'a' in the parabola equation y = ax² + q affect its shape?

    <p>It dictates the direction and width of the parabola.</p> Signup and view all the answers

    In a hyperbola, which statement is true regarding the variable 'a'?

    <p>It influences the shape and direction of the hyperbola.</p> Signup and view all the answers

    How do you determine the value of 'q' when finding the equation of a parabola?

    <p>By identifying the y-intercept point.</p> Signup and view all the answers

    What is the relationship between local purchasing and the economy?

    <p>It strengthens the local currency.</p> Signup and view all the answers

    What does a probability of 1 represent?

    <p>An event will occur every time.</p> Signup and view all the answers

    How can probabilities be represented?

    <p>As a real number, percentage, or fraction.</p> Signup and view all the answers

    What does relative frequency measure?

    <p>How often an event occurs in experimental trials.</p> Signup and view all the answers

    Which statement is true about the union of two sets?

    <p>It contains elements that are in at least one of the two sets.</p> Signup and view all the answers

    What is the formula for calculating theoretical probability?

    <p>$ P(E) = \frac{n(E)}{n(S)} $</p> Signup and view all the answers

    What does a probability of 0 indicate?

    <p>An event will never occur.</p> Signup and view all the answers

    Which definition applies to the intersection of two sets?

    <p>All elements that are in both sets.</p> Signup and view all the answers

    What key concept does a Venn diagram illustrate?

    <p>Relationships between sets.</p> Signup and view all the answers

    What does the formula ( f = \frac{p}{t} ) signify?

    <p>The probability of an event occurring based on trials.</p> Signup and view all the answers

    What defines a rational number?

    <p>A number that can be expressed as a fraction of two integers</p> Signup and view all the answers

    Which of the following sets includes all natural numbers and zero?

    <p>Whole Numbers</p> Signup and view all the answers

    Which number set does not include any negative numbers?

    <p>Natural Numbers</p> Signup and view all the answers

    Which of the following statements about irrational numbers is true?

    <p>Irrational numbers have non-repeating, non-terminating decimals.</p> Signup and view all the answers

    What is the relationship between rational and irrational numbers in the real number system?

    <p>Real numbers include both rational and irrational numbers.</p> Signup and view all the answers

    In the real number hierarchy, which set is immediately below the set of integers?

    <p>Whole Numbers</p> Signup and view all the answers

    Which of the following would be classified as an irrational number?

    <p>π</p> Signup and view all the answers

    What type of number is represented by the symbol $ rac{-5}{2}$?

    <p>Rational Number</p> Signup and view all the answers

    What characterizes a rational number in decimal form?

    <p>It can be expressed as a fraction with integer numerator and denominator.</p> Signup and view all the answers

    Which step is essential when converting a recurring decimal into a rational number?

    <p>Multiply by a power of 10 that matches the length of the repeating cycle.</p> Signup and view all the answers

    What happens to an irrational number when it is rounded off?

    <p>It becomes a rational number with a decimal expansion.</p> Signup and view all the answers

    When estimating surds, what is the first step?

    <p>Identify the perfect powers surrounding the surd.</p> Signup and view all the answers

    What is crucial for identifying when to round a number up?

    <p>If the next digit is 5 or greater.</p> Signup and view all the answers

    Which expression represents the general formula for multiplying two linear binomials?

    <p>(ax + b)(cx + d) = acx^2 + adx + bcx + bd</p> Signup and view all the answers

    What defines a surd?

    <p>The n-th root of a number that cannot be simplified to a rational number.</p> Signup and view all the answers

    In the rounding process, what adjustment is necessary if the digit being rounded is 9?

    <p>Change it to 0 and increase the preceding digit by 1.</p> Signup and view all the answers

    Which of the following is true about irrational numbers compared to rational numbers?

    <p>Irrational numbers cannot be expressed as fractions.</p> Signup and view all the answers

    What is the maximum number of solutions for a linear equation?

    <p>One solution</p> Signup and view all the answers

    Which step is NOT part of solving a linear equation?

    <p>Divide by variable terms</p> Signup and view all the answers

    When solving a quadratic equation, what form should it be rewritten in first?

    <p>Form with zero on one side</p> Signup and view all the answers

    What characterizes a quadratic equation compared to a linear equation?

    <p>Can have two solutions</p> Signup and view all the answers

    In the method of solving simultaneous equations by substitution, what is the first action taken?

    <p>Express one variable in terms of another</p> Signup and view all the answers

    Which of the following methods is used to simplify two equations to find values for two variables?

    <p>Using elimination or substitution</p> Signup and view all the answers

    What is the purpose of checking the answer after solving an equation?

    <p>To verify the solution satisfies the original equation</p> Signup and view all the answers

    What happens when operations are performed on one side of an equation?

    <p>It must be done on the other side too</p> Signup and view all the answers

    What is a common feature of quadratic equations with no solutions?

    <p>The discriminant is negative</p> Signup and view all the answers

    When solving by elimination, what is the goal regarding the coefficients?

    <p>Make the coefficients the same</p> Signup and view all the answers

    What is the first term in the expansion of the binomial extit{(A + B)(C + D + E)}?

    <p>A(C + D + E)</p> Signup and view all the answers

    What does the identity для factorising the difference of two squares state?

    <p>$a^2 - b^2 = (a + b)(a - b)$</p> Signup and view all the answers

    Which of the following steps is NOT part of simplifying an algebraic fraction?

    <p>Identify the greatest common divisor</p> Signup and view all the answers

    When multiplying two binomials extit{(ax + b)(cx + d)}, what term represents the middle term of the expansion?

    <p>$adx + bcx$</p> Signup and view all the answers

    Which expression correctly represents the sum of two cubes?

    <p>$x^3 + y^3 = (x + y)(x^2 - xy + y^2)$</p> Signup and view all the answers

    What is a key step in factorising a quadratic trinomial of the form $ax^2 + bx + c$?

    <p>Generate all possible pairs of factors for $a$ and $c$</p> Signup and view all the answers

    What is the result of multiplying the fractions $ rac{a}{b} imes rac{c}{d}$?

    <p>$ rac{ac}{bd}$</p> Signup and view all the answers

    To simplify the expression $ rac{x^2 + 2x}{x}$, which of the following is the first step?

    <p>Factor the numerator</p> Signup and view all the answers

    What is the equivalent expression for extit{(A + B)(C + D + E)}?

    <p>$AC + AD + AE + BC + BD + BE$</p> Signup and view all the answers

    What does the solution of a system of simultaneous equations represent in graphical terms?

    <p>The coordinates of the intersecting point</p> Signup and view all the answers

    In solving linear inequalities, what happens to the inequality sign when both sides are divided by a negative number?

    <p>The sign is switched</p> Signup and view all the answers

    Which of the following steps is NOT part of the problem-solving strategy for word problems?

    <p>Estimate a solution</p> Signup and view all the answers

    What does the variable 'd' represent in the general formula for a linear sequence $T_n = dn + c$?

    <p>The common difference between terms</p> Signup and view all the answers

    To change the subject of the formula in a literal equation effectively, what is the initial action you perform?

    <p>Add or subtract terms to isolate the variable</p> Signup and view all the answers

    What is the outcome of taking the square root of both sides of an equation involving a variable?

    <p>There will be both positive and negative answers</p> Signup and view all the answers

    In a linear sequence, if the common difference is 5, what will be the value of the third term $T_3$ if the first term $T_1$ is 10?

    <p>20</p> Signup and view all the answers

    When isolating an unknown variable that appears in two or more terms of a literal equation, what should be performed?

    <p>Factor out the variable</p> Signup and view all the answers

    How do you determine the common difference in a linear sequence?

    <p>By calculating $T_n$ minus $T_{n-1}$</p> Signup and view all the answers

    In the context of solving linear equations, what does it mean when two expressions are said to be equal?

    <p>They give the same solution</p> Signup and view all the answers

    What is the result of simplifying the expression $(ab)^{m/n}$?

    <p>$a^{m/n} b^{m/n}$</p> Signup and view all the answers

    Which exponent law applies when dividing two expressions with the same base?

    <p>Division of Exponents</p> Signup and view all the answers

    When simplifying the expression $ rac{a^3}{a^5}$, what is the result?

    <p>$a^{-2}$</p> Signup and view all the answers

    Which of the following represents the rule for simplifying an expression with a zero exponent?

    <p>$a^0 = 1$ for any $a eq 0$</p> Signup and view all the answers

    What is the first step in solving the exponential equation $5^x = 5^3$?

    <p>Set the exponents equal to each other</p> Signup and view all the answers

    To simplify the expression $ rac{(a^2b^3)^4}{(ab)^5}$, what is the first action you should take?

    <p>Use the power of a product rule</p> Signup and view all the answers

    Which method can be used to solve the exponential equation $2^x = 8$?

    <p>Equating the exponents by rewriting 8 as a power of 2</p> Signup and view all the answers

    What transformation is needed for the expression $ rac{1}{a^{-3}}$ to express it with a positive exponent?

    <p>Convert negative exponent to positive</p> Signup and view all the answers

    In rational exponents, what is the value of $a^{1/2}$?

    <p>$ ext{sqrt}(a)$</p> Signup and view all the answers

    What does the coefficient 'm' represent in a linear function of the form $y = mx + c$?

    <p>The slope of the graph</p> Signup and view all the answers

    How does the value of 'c' affect the graph of a linear function?

    <p>It shifts the graph vertically</p> Signup and view all the answers

    What characteristic is used to find the x-intercept of a linear function?

    <p>Set $y$ to 0</p> Signup and view all the answers

    In a linear sequence, what does the term 'common difference' refer to?

    <p>The constant difference between successive terms</p> Signup and view all the answers

    When $a < 0$ in a quadratic function $y = ax^2 + q$, what shape does the graph take?

    <p>It opens downwards like an upside-down U</p> Signup and view all the answers

    What does the term $T_n$ represent in the general formula for a linear sequence $T_n = dn + c$?

    <p>The nth term in the sequence</p> Signup and view all the answers

    If the value of $m$ in the function $y = mx + c$ equals 0, what is the nature of the graph?

    <p>A line that is horizontal</p> Signup and view all the answers

    Which of the following describes the effect of $q$ in the quadratic function $y = ax^2 + q$?

    <p>It acts as a vertical shift</p> Signup and view all the answers

    What are the two points needed to plot a straight-line graph using the dual intercept method?

    <p>X-intercept and y-intercept</p> Signup and view all the answers

    What does a positive value of 'm' indicate about the linear graph $y = mx + c$?

    <p>The graph slopes upwards to the right</p> Signup and view all the answers

    What happens to the graph of a parabola when the value of ( a ) is negative?

    <p>The graph opens downwards with a maximum turning point.</p> Signup and view all the answers

    How does the value of ( q ) affect the graph of the parabola ( y = ax^2 + q )?

    <p>It determines the vertical shift of the graph.</p> Signup and view all the answers

    What is the range of the function ( f(x) = ax^2 + q ) when ( a > 0 )?

    <p>[q, ∞)</p> Signup and view all the answers

    Which of the following describes the y-intercept of the function ( y = ax^2 + q )?

    <p>It is located at ( (0, q) ).</p> Signup and view all the answers

    What are the asymptotes of the hyperbolic function ( y = \frac{a}{x} + q )?

    <p>Horizontal asymptote at ( y = q ) and vertical asymptote at ( x = 0 ).</p> Signup and view all the answers

    For the hyperbolic function ( y = \frac{a}{x} + q ), which of the following statements is true when ( a < 0 )?

    <p>The graph lies in the second and fourth quadrants.</p> Signup and view all the answers

    What is the domain of the hyperbolic function ( y = \frac{a}{x} + q )?

    <p>{x: x \in \mathbb{R}, x \neq 0}</p> Signup and view all the answers

    In the context of parabolic graphs, what is indicated by the sign of ( a )?

    <p>The direction of the graph opening.</p> Signup and view all the answers

    Which characteristic is true for all parabolic functions in the form ( y = ax^2 + q )?

    <p>They all possess an axis of symmetry.</p> Signup and view all the answers

    What characterizes the range of exponential functions when the constant $a$ is greater than zero?

    <p>The range is greater than $q$.</p> Signup and view all the answers

    Which statement about the y-intercept of the function $y = ab^x + q$ is true?

    <p>The y-intercept is found by letting $x = 0$.</p> Signup and view all the answers

    What is the effect of a negative value of $a$ on the graph of the function $y = a imes ext{sin}( heta) + q$?

    <p>The graph reflects about the x-axis.</p> Signup and view all the answers

    For the function represented as $y = rac{a}{x} + q$, how is the vertical asymptote defined?

    <p>It is the line $x = 0$.</p> Signup and view all the answers

    How does the value of $b$ affect the function $y = ab^x + q$?

    <p>It affects the rate of growth or decay.</p> Signup and view all the answers

    What is the domain of the sine function defined as $y = ext{sin}( heta)$?

    <p>The interval $[0°, 360°]$.</p> Signup and view all the answers

    When the function is represented as $y = a imes ext{cos}( heta) + q$, what is true about the amplitude when $|a| > 1$?

    <p>The amplitude experiences vertical stretch.</p> Signup and view all the answers

    What will the vertical asymptote be in the function $y = rac{a}{x} + q$?

    <p>At $x = 0$.</p> Signup and view all the answers

    For an exponential function $y = ab^x + q$, if $b$ is between 0 and 1, what type of behavior does the function exhibit?

    <p>Exponential decay.</p> Signup and view all the answers

    What is the proper definition of theoretical probability?

    <p>A real number between 0 and 1 representing event likelihood</p> Signup and view all the answers

    Which of the following statements about relative frequency is true?

    <p>It is calculated by the formula \ f = \frac{p}{t}</p> Signup and view all the answers

    How is the union of two sets represented?

    <p>A ( A \cup B )</p> Signup and view all the answers

    What characterizes the intersection of two events in probability?

    <p>Outcomes that are in both sets</p> Signup and view all the answers

    In the context of probability, what does a probability of 0 indicate?

    <p>The event will never occur</p> Signup and view all the answers

    What do Venn diagrams help to represent in probability?

    <p>The relationships between different sets</p> Signup and view all the answers

    What aspect of a trigonometric function does the variable $q$ influence?

    <p>Vertical shift</p> Signup and view all the answers

    Which formula correctly represents the calculation of accumulated amount using simple interest?

    <p>$A = P(1 + in)$</p> Signup and view all the answers

    If an event has a theoretical probability of 0.5, what can be inferred about its occurrence?

    <p>It will occur half the time</p> Signup and view all the answers

    What is the primary difference between simple interest and compound interest?

    <p>Simple interest earns interest only on the principal, while compound interest earns interest on both the principal and the accumulated interest.</p> Signup and view all the answers

    What does the sample space consist of in probability theory?

    <p>The list of all outcomes that can occur in a random experiment</p> Signup and view all the answers

    Considering the conversion formula, what does 'Amount in new currency' represent?

    <p>Original currency divided by exchange rate</p> Signup and view all the answers

    When calculating the y-intercept of a function, what must you set $x$ equal to?

    <p>0</p> Signup and view all the answers

    What is the outcome of an experiment with a probability of 1?

    <p>The event is certain to occur</p> Signup and view all the answers

    Which of the following statements about inflation is true?

    <p>Inflation is the average annual increase in the price of goods and services.</p> Signup and view all the answers

    In a hire purchase agreement, how is interest typically calculated?

    <p>At a simple interest rate on the remaining amount after the initial deposit.</p> Signup and view all the answers

    Which of the following explains how population growth is calculated?

    <p>By using the compound interest formula, similar to investments.</p> Signup and view all the answers

    What do asymptotes indicate in functions like hyperbolas and tangents?

    <p>They are lines that the curve approaches but never touches.</p> Signup and view all the answers

    Which variable influences the amplitude and reflection in trigonometric functions?

    <p>$a$</p> Signup and view all the answers

    What does the identity $P(A \u222A B) = P(A) + P(B) - P(A \cap B)$ help to correct?

    <p>It removes double-counting in probabilities.</p> Signup and view all the answers

    Which statement is true about mutually exclusive events?

    <p>Their union is the sum of individual probabilities.</p> Signup and view all the answers

    What is the complement of an event A, represented as A'?

    <p>The set containing all outcomes not in A.</p> Signup and view all the answers

    What happens to the probabilities of complementary events?

    <p>They always sum to 1.</p> Signup and view all the answers

    If events A and B are mutually exclusive, what is true about their intersection?

    <p>It is empty.</p> Signup and view all the answers

    In the context of Venn diagrams, what does the area of overlap represent?

    <p>The joint probability of A and B.</p> Signup and view all the answers

    What is the graphical representation of the union of two events A and B?

    <p>The combined area of both circles A and B, including the overlap.</p> Signup and view all the answers

    Which identity correctly describes the relationship between complementary events and the sample space?

    <p>A / A' = S.</p> Signup and view all the answers

    What does the notation P(S) = 1 signify in probability?

    <p>It indicates the total probability of all events occurring.</p> Signup and view all the answers

    Why is it necessary to subtract P(A \cap B) from the equation for the union of two events?

    <p>To correct for double counting of shared outcomes.</p> Signup and view all the answers

    What is the period of the cosine and sine functions?

    <p>360°</p> Signup and view all the answers

    What effect does a positive value of $q$ have in the function $y = a an heta + q$?

    <p>It shifts the graph upwards.</p> Signup and view all the answers

    Which of the following describes the domain of the tangent function $y = an heta$?

    <p>{ \theta : 0° \leq \theta \leq 360°, \theta \neq 90° }</p> Signup and view all the answers

    How can the equation of a parabola in the form $y = ax^2 + q$ be determined?

    <p>By obtaining both $a$ and $q$ from the y-intercept.</p> Signup and view all the answers

    What is the range of the tangent function $y = an \theta$?

    <p>{ f(\theta) : f(\theta) \in \mathbb{R} }</p> Signup and view all the answers

    What occurs when the graph of the cosine function is shifted to the right by 90°?

    <p>It becomes a sine function.</p> Signup and view all the answers

    When determining the equation of a hyperbola, what is the first step?

    <p>Identify the direction of the hyperbola.</p> Signup and view all the answers

    Which characteristic is true for the y-intercept of the function $y = a an \theta + q$?

    <p>It is equal to $q$.</p> Signup and view all the answers

    What defines the range of a parabola represented by $y = ax^2 + q$?

    <p>The value of $a$ determines the minimum or maximum y-value.</p> Signup and view all the answers

    What is the significance of asymptotes in the function $y = a \tan \theta + q$?

    <p>They signify where the function will never touch or cross.</p> Signup and view all the answers

    Which of the following statements about natural numbers is false?

    <p>Natural numbers include zero.</p> Signup and view all the answers

    What is a defining characteristic of irrational numbers?

    <p>They cannot be expressed as a simple fraction.</p> Signup and view all the answers

    Which of the following sets does not belong to the real number system?

    <p>Imaginary Numbers</p> Signup and view all the answers

    Which of the following is an example of a rational number?

    <p>$ rac{2}{5}$</p> Signup and view all the answers

    Which statement best describes the relationship between whole numbers and integers?

    <p>Whole numbers include all integers except negative ones.</p> Signup and view all the answers

    Which of the following is true about the set of rational numbers?

    <p>Rational numbers can be expressed as the quotient of two integers.</p> Signup and view all the answers

    Which of the following examples is not a real number?

    <p>$ rac{2}{0}$</p> Signup and view all the answers

    How are natural numbers classified within the real number system?

    <p>They are a subset of rational numbers.</p> Signup and view all the answers

    What characterizes rational numbers when expressed as decimals?

    <p>They include both terminating and repeating decimals.</p> Signup and view all the answers

    Which of the following best describes a surd?

    <p>The n-th root of a number that cannot be simplified to a rational number.</p> Signup and view all the answers

    Which method accurately describes converting a recurring decimal into a rational number?

    <p>Multiply the decimal by a power of ten to align the repeating part.</p> Signup and view all the answers

    What is the first step to round off a decimal number to a specific decimal place?

    <p>Identify the required decimal place and the next digit.</p> Signup and view all the answers

    In multiplying two binomials, what does the term 'ad' represent?

    <p>One of the cross-products in the expansion.</p> Signup and view all the answers

    What is the outcome when rounding off a digit that is 9?

    <p>The preceding digit increases by 1, and the 9 becomes 0.</p> Signup and view all the answers

    Which of the following is true about irrational numbers?

    <p>They have non-repeating, non-terminating decimal expansions.</p> Signup and view all the answers

    When estimating the value of a surd, what should be identified first?

    <p>The nearest perfect squares or cubes surrounding the surd.</p> Signup and view all the answers

    What distinguishes a decimal from an irrational number?

    <p>Rational numbers are represented as fractions.</p> Signup and view all the answers

    In which situations will rounding off a decimal results in a loss of precision?

    <p>When rounding irrational numbers.</p> Signup and view all the answers

    What is the result of applying the power of a power rule to $(3^2)^4$?

    <p>3^{12}</p> Signup and view all the answers

    What expression simplifies to $a^m imes a^n$ according to the multiplication of exponents rule?

    <p>a^{m+n}</p> Signup and view all the answers

    Which of the following represents the correct simplification of $ rac{a^3}{a^5}$ using the division of exponents rule?

    <p>a^{-2}</p> Signup and view all the answers

    How can the expression $(xy)^3$ be expressed using the raising a product to a power rule?

    <p>x^3y^3</p> Signup and view all the answers

    In which scenario can logarithms be used to solve an exponential equation?

    <p>When the bases are different</p> Signup and view all the answers

    What is the correct expression for the zero exponent rule?

    <p>a^0 = 1</p> Signup and view all the answers

    What must be the same for the exponents to be equated in an exponential equation?

    <p>The bases must be equal</p> Signup and view all the answers

    Which of the following is a step in simplifying an expression with rational exponents?

    <p>Use prime factorization where necessary</p> Signup and view all the answers

    Which of the following statements about negative exponents is true?

    <p>They indicate fractions</p> Signup and view all the answers

    Which expression corresponds to the law of rational exponents for powering a power?

    <p>a^{(m/n) imes (p/q)}</p> Signup and view all the answers

    What does the solution to a system of simultaneous linear equations represent?

    <p>The coordinates of the intersection point of the two graphs</p> Signup and view all the answers

    What is the first step when using a problem-solving strategy for word problems?

    <p>Read the whole question</p> Signup and view all the answers

    In the context of literal equations, what is meant by changing the subject of the formula?

    <p>Rearranging an equation to isolate a specific variable</p> Signup and view all the answers

    When solving linear inequalities, what must be done if both sides are divided by a negative number?

    <p>The inequality sign is reversed</p> Signup and view all the answers

    What does the variable 'd' represent in the formula for a linear sequence $T_n = dn + c$?

    <p>The difference between consecutive terms</p> Signup and view all the answers

    Which of the following correctly defines a linear inequality?

    <p>An inequality with variables where the highest exponent is 1</p> Signup and view all the answers

    What is the formula for the common difference 'd' in a linear sequence?

    <p>$d = T_n - T_{n-1}$</p> Signup and view all the answers

    When rearranging a literal equation, which technique helps isolate the unknown variable?

    <p>Performing opposite operations on both sides</p> Signup and view all the answers

    What does the term 'term' refer to in the context of sequences?

    <p>An individual item in the sequence</p> Signup and view all the answers

    In a linear equation, what does the solution represent geometrically?

    <p>The coordinates of a point</p> Signup and view all the answers

    What will be the result of multiplying a monomial by a binomial represented by the equation $a(x + y)$?

    <p>ax + ay</p> Signup and view all the answers

    What is the correct expression to factorize a trinomial of the form $ax^2 + bx + c$?

    <p>$(x + m)(x + n)$ where $mn = c$ and $m + n = b$.</p> Signup and view all the answers

    What identity is used to factorize the difference of two cubes $x^3 - y^3$?

    <p>$x^3 - y^3 = (x - y)(x^2 + xy + y^2)$</p> Signup and view all the answers

    Which method involves grouping terms with common factors to simplify an expression?

    <p>Factorising by pairs</p> Signup and view all the answers

    When multiplying two binomials $(ax + b)(cx + d)$, which components do you derive from $ad$ in the expansion?

    <p>The constant term of the resulting polynomial</p> Signup and view all the answers

    Which of the following describes the correct procedure for simplifying the algebraic fraction $ rac{a}{b} imes rac{c}{d}$?

    <p>Multiply the numerators and denominators independently</p> Signup and view all the answers

    For the expression $(A + B)(C + D + E)$, what does the result look like using the distributive property?

    <p>$AC + AD + AE + BC + BD + BE$</p> Signup and view all the answers

    To determine the common factors in the expression $3x^2 + 6x$, which of these is primarily extracted?

    <p>$3x$</p> Signup and view all the answers

    When applying the laws of exponents, what is the result of $a^m imes a^n$?

    <p>$a^{m+n}$</p> Signup and view all the answers

    In factorisation, what does the term 'common factor' refer to?

    <p>A factor shared by all terms in an expression</p> Signup and view all the answers

    What is the effect of the parameter $q$ in the function $y = ab^x + q$?

    <p>It causes a vertical shift in the graph.</p> Signup and view all the answers

    Which of the following describes the x-intercepts of the function $y = a imes ext{sin}( heta) + q$?

    <p>They are found by setting $y = a imes ext{sin}( heta) + q$ to zero.</p> Signup and view all the answers

    How is the vertical shift of the sine function determined when the function is represented as $y = a imes ext{sin}( heta) + q$?

    <p>By the value of $q$ alone.</p> Signup and view all the answers

    What characterizes the horizontal asymptote of the exponential function $y = ab^x + q$?

    <p>It is given by the line $y = q$.</p> Signup and view all the answers

    For the function $y = a imes ext{cos}( heta) + q$, what happens when $a < 0$?

    <p>The graph is reflected about the x-axis.</p> Signup and view all the answers

    What describes the rate of growth or decay in the function $y = ab^x$ when $b > 1$?

    <p>It grows exponentially.</p> Signup and view all the answers

    In the sine function $y = a imes ext{sin}( heta) + q$, what effect does $|a| > 1$ have?

    <p>It stretches the graph vertically.</p> Signup and view all the answers

    Which option best describes the domain of the exponential function $y = ab^x + q$?

    <p>It encompasses all real values of $x$.</p> Signup and view all the answers

    For the sine function, what are the specific x-intercepts within the interval $[0°, 360°]$?

    <p>At $0°, 180°, and 360°$.</p> Signup and view all the answers

    What is the maximum number of solutions a quadratic equation can have?

    <p>Two</p> Signup and view all the answers

    What is the first step in solving linear equations?

    <p>Expand all brackets</p> Signup and view all the answers

    When using substitution to solve simultaneous equations, what is typically done first?

    <p>Express one variable in terms of the other</p> Signup and view all the answers

    What method is commonly used to solve quadratic equations when they can be factored?

    <p>Factorisation</p> Signup and view all the answers

    What is a necessary condition for solving a quadratic equation effectively?

    <p>It must be balanced</p> Signup and view all the answers

    In solving simultaneous equations by elimination, what should be done to the coefficients of one variable?

    <p>They should be made the same</p> Signup and view all the answers

    What is the last step in solving a quadratic equation?

    <p>Check the solution</p> Signup and view all the answers

    Which process is used to reduce the number of unknown variables in simultaneous equations?

    <p>Substitution</p> Signup and view all the answers

    When rearranging an equation, what principle must always be followed?

    <p>Both sides must remain equal</p> Signup and view all the answers

    What distinguishes a linear equation from a quadratic equation?

    <p>Linear equations have one solution; quadratic can have two.</p> Signup and view all the answers

    What is the general formula for a linear sequence?

    <p>T_n = dn + c</p> Signup and view all the answers

    What effect does a positive value of 'm' have on the graph of a linear function?

    <p>The graph slopes upwards from left to right.</p> Signup and view all the answers

    What happens to a graph when the value of 'c' is negative?

    <p>The graph shifts vertically downward.</p> Signup and view all the answers

    How is the y-intercept of a linear function calculated?

    <p>By setting x = 0.</p> Signup and view all the answers

    What is the shape of the graph when 'a' in the equation y = ax^2 + q is greater than zero?

    <p>The graph is a parabola that opens upward.</p> Signup and view all the answers

    What defines the vertical shift of a parabola in the function y = ax^2 + q?

    <p>The value of 'q'.</p> Signup and view all the answers

    Which of these points is essential for sketching a straight-line graph using the gradient and y-intercept method?

    <p>Y-intercept.</p> Signup and view all the answers

    What would be the result of a negative value of 'a' in the equation y = ax^2 + q?

    <p>The graph opens downwards.</p> Signup and view all the answers

    What is the effect of varying the value of 'm' in a linear function's equation y = mx + c?

    <p>It affects the slope of the graph.</p> Signup and view all the answers

    What does the variable $q$ affect in the trigonometric functions?

    <p>Vertical shift of the function</p> Signup and view all the answers

    What is the primary difference between simple interest and compound interest?

    <p>Simple interest is calculated only on the principal amount.</p> Signup and view all the answers

    How is the y-intercept of a function calculated?

    <p>By setting $x = 0$</p> Signup and view all the answers

    In the context of hire purchase agreements, how is interest calculated?

    <p>On the remaining balance after the deposit</p> Signup and view all the answers

    What does the interest rate represent in the formula for simple interest?

    <p>The percentage earned or paid per year</p> Signup and view all the answers

    How can the domain of a function be determined?

    <p>By identifying all possible $x$ values</p> Signup and view all the answers

    Which statement is true regarding inflation calculations?

    <p>It is calculated using the compound interest formula.</p> Signup and view all the answers

    What does a strong currency indicate about a country's economy?

    <p>Increased foreign investment</p> Signup and view all the answers

    Which formula is used for calculating the accumulated amount in simple interest?

    <p>$A = P(1 + in)$</p> Signup and view all the answers

    What happens to interest in the context of compound interest over multiple periods?

    <p>It grows exponentially due to interest on interest.</p> Signup and view all the answers

    What is the theoretical probability of an event that occurs once in a total of 4 possible outcomes?

    <p>0.25</p> Signup and view all the answers

    Given two events A and B that have partial overlap, the intersection of A and B represents what?

    <p>Elements in both A and B</p> Signup and view all the answers

    What happens to the relative frequency as the number of trials increases?

    <p>It tends to converge to theoretical probability</p> Signup and view all the answers

    Which formula would you use to convert an amount from dollars to euros if the exchange rate is 0.85 euros per dollar?

    <p>Amount in new currency = Amount in original currency / Exchange rate</p> Signup and view all the answers

    When is the probability of an event equal to 0?

    <p>When it is impossible for the event to occur</p> Signup and view all the answers

    Which statement about the union of two sets A and B is correct?

    <p>It includes all elements that are in either A or B</p> Signup and view all the answers

    If the probability of an event occurring is 0.5, what can be inferred about its outcomes?

    <p>It will occur half the time in a series of trials</p> Signup and view all the answers

    What is represented by a Venn diagram?

    <p>Relationships between different sets</p> Signup and view all the answers

    How is the relative frequency of an event defined in an experimental scenario?

    <p>The number of times the event occurs divided by the total trials</p> Signup and view all the answers

    What is the probability identity used to calculate the union of two events?

    <p>P(A ∪ B) = P(A) + P(B) - P(A ∩ B)</p> Signup and view all the answers

    Which of the following statements is true about mutually exclusive events?

    <p>Their union equals the sum of their individual probabilities.</p> Signup and view all the answers

    What is the probability relationship for two mutually exclusive events A and B?

    <p>P(A ∪ B) = P(A) + P(B)</p> Signup and view all the answers

    Which of the following best defines the complement of a set A?

    <p>All elements that are not in A.</p> Signup and view all the answers

    Which statement is true about complementary events?

    <p>They are mutually exclusive events.</p> Signup and view all the answers

    What is the sum of the probabilities of an event A and its complement A'?

    <p>1</p> Signup and view all the answers

    Which of the following correctly represents the intersection of event A and its complement A'?

    <p>P(A ∩ A') = 0</p> Signup and view all the answers

    When combining events A and B, what happens if they are not mutually exclusive?

    <p>You subtract the intersection of A and B.</p> Signup and view all the answers

    In the context of Venn diagrams, what does the area where two events overlap represent?

    <p>The probability of both events occurring.</p> Signup and view all the answers

    Which of the following describes the relationship between the sample space S and the complement of event A?

    <p>A ∪ A' = S</p> Signup and view all the answers

    What happens to the graph of a parabola as the value of 'a' increases while 'a' is greater than 0?

    <p>The graph becomes narrower.</p> Signup and view all the answers

    What happens to the graph of a function when the value of 'a' is greater than 0?

    <p>The graph becomes narrower as 'a' approaches infinity.</p> Signup and view all the answers

    For the parabola defined by the equation $y = ax^2 + q$, what does the variable 'q' represent?

    <p>The vertical shift of the graph.</p> Signup and view all the answers

    How is the range of the function $y = ax^2 + q$ determined when 'a' is less than 0?

    <p>The range is from negative infinity to 'q'.</p> Signup and view all the answers

    What are the axes of symmetry for the parabolas in the form of $y = ax^2 + q$?

    <p>The line $x = 0$.</p> Signup and view all the answers

    What is true about the behavior of the graph of a hyperbolic function when 'a' is less than 0?

    <p>It lies in the second and fourth quadrants.</p> Signup and view all the answers

    What is true regarding the domain of the function $y = \frac{a}{x} + q$?

    <p>It includes all real numbers except x = 0.</p> Signup and view all the answers

    How do changes in the coefficient 'q' affect the hyperbolic function $y = \frac{a}{x} + q$?

    <p>They shift the graph vertically by 'q' units.</p> Signup and view all the answers

    What is the range of hyperbolic functions of the form $y = \frac{a}{x} + q$?

    <p>All real numbers except for 'q'.</p> Signup and view all the answers

    When finding the x-intercept of the function $y = ax^2 + q$, what condition must be satisfied?

    <p>Set 'y' equal to 0.</p> Signup and view all the answers

    How do the vertical asymptotes of the hyperbola behave?

    <p>The vertical asymptote is the line x = 0.</p> Signup and view all the answers

    What is the range of the function defined by the equation $y = a \cos \theta + q$ for $a > 0$?

    <p>[q - |a|, q + |a|]</p> Signup and view all the answers

    What is the period of the tangent function $y = a \tan \theta + q$?

    <p>180</p> Signup and view all the answers

    What is the maximum number of solutions that a quadratic equation can have?

    <p>Two</p> Signup and view all the answers

    Which step is NOT part of solving linear equations?

    <p>Remember the Pythagorean theorem</p> Signup and view all the answers

    When solving simultaneous equations by substitution, what is the first action typically taken?

    <p>Express one variable in terms of the other</p> Signup and view all the answers

    What must always be true about an equation when performing operations on it?

    <p>Both sides must balance</p> Signup and view all the answers

    Which method can be used to solve quadratic equations?

    <p>Graphing</p> Signup and view all the answers

    In solving quadratic equations, when you factor into the form ((rx + s)(ux + v) = 0), what is the next step?

    <p>Find the roots</p> Signup and view all the answers

    Which statement best describes a linear equation?

    <p>It includes constants and can only have one solution</p> Signup and view all the answers

    What method can simplify solving simultaneous equations?

    <p>Elimination of a variable by equalizing coefficients</p> Signup and view all the answers

    What is the importance of checking the solution after solving an equation?

    <p>It ensures the values satisfy the original equation</p> Signup and view all the answers

    What is the result of applying the power of a power rule to the expression $(x^2)^3$?

    <p>x^6</p> Signup and view all the answers

    What does the negative exponent rule state for the expression $a^{-m}$?

    <p>$ rac{1}{a^m}$</p> Signup and view all the answers

    In simplifying the expression $ rac{a^{3/4}}{a^{1/2}}$, what is the simplified result?

    <p>a^{1/4}</p> Signup and view all the answers

    When raising a product to a power, what is the correct form of $(xy)^m$?

    <p>$x^m imes y^m$</p> Signup and view all the answers

    What happens when solving the exponential equation $3^x = 3^4$?

    <p>$x = 4$</p> Signup and view all the answers

    How can the expression $ rac{(x^2y)^3}{x^4y^2}$ be simplified?

    <p>x^{-2}y^{3}</p> Signup and view all the answers

    What is the value of $a^0$ for any nonzero $a$?

    <p>1</p> Signup and view all the answers

    What can be concluded when $x^2 = 16$?

    <p>$x = 4$</p> Signup and view all the answers

    Which method can be used when the bases are different in an exponential equation?

    <p>Use logarithms</p> Signup and view all the answers

    Which of the following sets includes all positive integers starting from 1?

    <p>Natural Numbers (N)</p> Signup and view all the answers

    What is the primary distinction between whole numbers and natural numbers?

    <p>Whole numbers include zero.</p> Signup and view all the answers

    Which of the following is true about rational numbers?

    <p>They can be expressed as a fraction of two integers.</p> Signup and view all the answers

    Which numbers fall under the category of integers?

    <p>Whole numbers and their negative counterparts.</p> Signup and view all the answers

    What characterizes irrational numbers compared to rational numbers?

    <p>They cannot be expressed as a simple fraction.</p> Signup and view all the answers

    What is the correct set symbol for irrational numbers?

    <p>Q'</p> Signup and view all the answers

    Which of the following statements is true about real numbers?

    <p>Real numbers can be either positive or negative.</p> Signup and view all the answers

    What defines imaginary numbers?

    <p>They have a negative square root.</p> Signup and view all the answers

    What happens to the graph of a parabola as the value of $a$ increases beyond 1?

    <p>The graph gets narrower and stretches upward.</p> Signup and view all the answers

    For the standard form of a hyperbola $y = \frac{a}{x} + q$, which of the following describes the domain?

    <p>All real numbers except zero.</p> Signup and view all the answers

    What is the x-intercept of the function represented by the equation $y = \frac{a}{x} + q$?

    <p>It can be found by setting $y = 0$.</p> Signup and view all the answers

    If $a < 0$ in the equation $y = ax^2 + q$, what type of turning point does the graph have?

    <p>A maximum turning point.</p> Signup and view all the answers

    What characterizes the graph of a parabola when $q < 0$?

    <p>The turning point is below the x-axis.</p> Signup and view all the answers

    How does the value of $q$ affect a hyperbolic function's graph?

    <p>It shifts the graph vertically.</p> Signup and view all the answers

    What is the range of the function represented by $f(x) = ax^2 + q$ when $a > 0$?

    <p>[q, ∞)</p> Signup and view all the answers

    What type of shape does the graph exhibit when $a < 0$?

    <p>It resembles a parabola opening downwards.</p> Signup and view all the answers

    What is the axis of symmetry for the functions of the form $f(x) = ax^2 + q$?

    <p>The y-axis (line $x = 0$).</p> Signup and view all the answers

    What does the term 'variable' represent in algebra?

    <p>A symbol representing an unknown quantity.</p> Signup and view all the answers

    Which identity is used to factorise the sum of two cubes?

    <p>$x^3 + y^3 = (x + y)(x^2 + xy + y^2)$</p> Signup and view all the answers

    Which of the following statements correctly describes a coefficient?

    <p>The numerical factor in a term.</p> Signup and view all the answers

    What is the first step when simplifying an algebraic fraction?

    <p>Factorise the numerator and the denominator.</p> Signup and view all the answers

    In the equation $a^m imes a^n$, what is the result according to the exponent laws?

    <p>$a^{m+n}$</p> Signup and view all the answers

    What is the correct formulation for multiplying a monomial and a binomial?

    <p>$ax + ay$</p> Signup and view all the answers

    When factorising a quadratic trinomial $ax^2 + bx + c$, what is the general first step?

    <p>Identify the values of a, b, and c.</p> Signup and view all the answers

    What is the formula for finding the difference of two squares?

    <p>$a^2 - b^2 = (a - b)(a + b)$</p> Signup and view all the answers

    Which of these is a valid step in the process of factorisation by grouping?

    <p>Group terms that share a common factor.</p> Signup and view all the answers

    What distinguishes irrational numbers from rational numbers?

    <p>Irrational numbers have non-terminating, non-repeating decimal expansions.</p> Signup and view all the answers

    Which of the following correctly converts a terminating decimal into a rational number?

    <p>Using the formula: integer part + $ rac{ ext{decimal digits}}{10^n}$ where $n$ is the position of the last digit.</p> Signup and view all the answers

    When rounding a decimal number, what should be done if the next digit is exactly 5?

    <p>Always round up the last digit in the required position.</p> Signup and view all the answers

    What is a key characteristic of surds?

    <p>Surds cannot be expressed as a simple fraction.</p> Signup and view all the answers

    Which of the following statements about the method of converting recurring decimals to rational numbers is correct?

    <p>You should multiply by a sufficiently high power of 10 to line up the repeating digits.</p> Signup and view all the answers

    Which expression best describes how to compare the sizes of two surds, $ oot{n}{a}$ and $ oot{n}{b}$?

    <p>$ oot{n}{a} &gt; oot{n}{b}$ if $a &gt; b$.</p> Signup and view all the answers

    What method is typically used to multiply a monomial by a binomial?

    <p>Distribute the monomial across each term in the binomial.</p> Signup and view all the answers

    What is the primary purpose of estimating surds?

    <p>To determine bounds using perfect squares or cubes.</p> Signup and view all the answers

    In which scenario would a number like $ rac{1}{3}$ be considered irrational?

    <p>When approximated to two decimal places.</p> Signup and view all the answers

    What is the key characteristic of the horizontal asymptote for the function of the form $y = ab^x + q$?

    <p>It is given by the equation $y = q$.</p> Signup and view all the answers

    For the function $y = rac{a}{x} + q$, how is the x-intercept calculated?

    <p>By letting $y = 0$ and solving for $x$.</p> Signup and view all the answers

    What determines whether a graph of $y = ab^x + q$ curves upwards or downwards?

    <p>The sign of $a$.</p> Signup and view all the answers

    What is the range of an exponential function $y = ab^x + q$ when $a > 0$?

    <p>$ orall y : y &gt; q$.</p> Signup and view all the answers

    Which of the following statements about the domain of the function $y = a an heta + q$ is accurate?

    <p>The domain includes all real numbers except where the function is undefined.</p> Signup and view all the answers

    What does the parameter $q$ affect in the function $y = a an heta + q$?

    <p>The vertical shift of the graph.</p> Signup and view all the answers

    Which statement is true about the characteristics of the sine function $y = rac{1}{2} an heta + q$?

    <p>Its y-intercept varies with $q$.</p> Signup and view all the answers

    In the context of trigonometric functions, what is typically the y-intercept of the cosine function $y = rac{3}{2} an heta + q$?

    <p>At $(0°, 1)$.</p> Signup and view all the answers

    What does the sign of $b$ signify in an exponential function of the form $y = ab^x + q$?

    <p>The direction of exponential growth or decay.</p> Signup and view all the answers

    What effect does having $|a| > 1$ in the function $y = a an heta + q$ have on the graph?

    <p>It stretches the graph vertically.</p> Signup and view all the answers

    What effect does the parameter $q$ have in trigonometric functions such as sine, cosine, and tangent?

    <p>It determines the vertical shift of the function.</p> Signup and view all the answers

    Which formula is used to calculate accumulated amount in simple interest?

    <p>$A = P (1 + in)$</p> Signup and view all the answers

    How does compound interest differ from simple interest?

    <p>Compound interest is earned on both the principal and accumulated interest.</p> Signup and view all the answers

    What is the main characteristic of a hire purchase agreement?

    <p>It involves paying for a product in installments with simple interest on the remaining amount.</p> Signup and view all the answers

    Which factors contribute to the strength of a currency?

    <p>Increasing investments in the country.</p> Signup and view all the answers

    What does the range of a function represent?

    <p>The set of all outputs that the function can produce.</p> Signup and view all the answers

    How is inflation measured in terms of price increases over time?

    <p>Using the compound interest formula.</p> Signup and view all the answers

    Which of the following formulas is applied in population growth calculations?

    <p>$A = P(1 + i)^n$</p> Signup and view all the answers

    What defines the domain of a function?

    <p>The set of all values that can be inputted into the function.</p> Signup and view all the answers

    In the context of finance, what does the term 'principal' refer to?

    <p>The initial amount of money invested or borrowed.</p> Signup and view all the answers

    What does the variable $c$ represent in the equation of a linear function $y = mx + c$?

    <p>The y-intercept of the graph</p> Signup and view all the answers

    What is the effect of a negative value of $m$ in the equation $y = mx + c$?

    <p>The graph slopes downwards from left to right</p> Signup and view all the answers

    In the context of a linear sequence, what is a common difference?

    <p>The constant difference between successive terms</p> Signup and view all the answers

    How does an increase in the value of $c$ affect the graph of a linear function?

    <p>The graph shifts vertically upwards</p> Signup and view all the answers

    What characteristic of the graph is determined by the value of $a$ in the equation of the form $y = ax^2 + q$?

    <p>The direction in which the parabola opens</p> Signup and view all the answers

    Which of the following methods is used to determine the graph of $y = mx + c$?

    <p>Calculating and plotting both the x-intercept and y-intercept.</p> Signup and view all the answers

    What is the domain and range of a linear function $f(x) = mx + c$?

    <p>Domain: all real numbers, Range: all real numbers</p> Signup and view all the answers

    What is the effect of the value of $q$ in a parabolic function $y = ax^2 + q$?

    <p>It shifts the graph vertically up or down.</p> Signup and view all the answers

    What do you calculate to find the x-intercept of a linear function?

    <p>Set $y = 0$ and solve for $x$</p> Signup and view all the answers

    In which scenario will a parabola open upwards?

    <p>When $a &gt; 0$</p> Signup and view all the answers

    What is the formula for converting an amount from one currency to another?

    <p>Amount in new currency = Amount in original currency / Exchange rate</p> Signup and view all the answers

    If an event has a probability of 0, what does it indicate about the event?

    <p>The event will never occur</p> Signup and view all the answers

    In the context of probability, what does the ratio $P(E) = \frac{n(E)}{n(S)}$ represent?

    <p>The likelihood of event E occurring</p> Signup and view all the answers

    What does a probability of 0.5 indicate about an event?

    <p>The event will occur half the time</p> Signup and view all the answers

    What is a Venn diagram primarily used for in probability?

    <p>To illustrate the relationships between different sets</p> Signup and view all the answers

    What does the term 'union' denote in set theory?

    <p>Elements in at least one of the sets</p> Signup and view all the answers

    Relative frequency provides what type of probability?

    <p>Empirical probability</p> Signup and view all the answers

    If two events A and B have no overlap, what can be said about their intersection?

    <p>A ∩ B is empty</p> Signup and view all the answers

    As the number of trials increases, relative frequency tends to approach which form of probability?

    <p>Theoretical probability</p> Signup and view all the answers

    What does a probability of 1 indicate about an event?

    <p>The event will always occur</p> Signup and view all the answers

    What is the range of the function defined by the equation $y = a \cos \theta + q$ for $a > 0$?

    <p>[q - |a|, q + |a|]</p> Signup and view all the answers

    What is the period of the cosine and sine functions?

    <p>360°</p> Signup and view all the answers

    What is the range of the tangent function $y = \tan \theta$?

    <p>[f(\theta) : f(\theta) \in \mathbb{R}]</p> Signup and view all the answers

    How does changing the value of $q$ in the equation $y = a \tan \theta + q$ affect the graph?

    <p>It shifts the graph vertically.</p> Signup and view all the answers

    To find the equation of a parabola, which point is specifically used to calculate the value of $q$?

    <p>The y-intercept.</p> Signup and view all the answers

    What effect does changing the value of $a$ have on the graph of the function $y = \frac{a}{x} + q$?

    <p>It stretches or compresses the branches.</p> Signup and view all the answers

    What are the x-intercepts of the tangent function $y = \tan \theta$?

    <p>(0°, 0), (180°, 0), (360°, 0)</p> Signup and view all the answers

    What are the asymptotes of the tangent function defined by $y = \tan \theta$?

    <p>At $\theta = 90°$ and $\theta = 270°$</p> Signup and view all the answers

    What defines the direction in which a parabola opens?

    <p>The sign of $a$.</p> Signup and view all the answers

    Which statement accurately reflects the relationship between sine and cosine functions?

    <p>The cosine graph can be shifted left by 90° to overlap with the sine graph.</p> Signup and view all the answers

    What is the correct expression to calculate the probability of the union of two events?

    <p>P(A ∪ B) = P(A) + P(B) - P(A ∩ B)</p> Signup and view all the answers

    What defines mutually exclusive events?

    <p>Events that cannot occur at the same time.</p> Signup and view all the answers

    Which statement is true regarding the probabilities of complementary events?

    <p>P(A) + P(A') = P(S)</p> Signup and view all the answers

    In a Venn diagram, which representation indicates mutually exclusive events?

    <p>Two circles that do not touch.</p> Signup and view all the answers

    What is the intersection of two mutually exclusive events?

    <p>The empty set.</p> Signup and view all the answers

    How can the probability of the union of two mutually exclusive events be calculated?

    <p>By adding their individual probabilities.</p> Signup and view all the answers

    What is the complement of event A as represented?

    <p>All outcomes not in event A.</p> Signup and view all the answers

    What does the identity P(A) + P(A') = 1 signify?

    <p>The combined probability of complementary events.</p> Signup and view all the answers

    What happens if you add the probabilities of events A and B without recognizing their intersection?

    <p>You double-count the intersection area.</p> Signup and view all the answers

    What is indicated by the notation P(A ∩ B) = ∅?

    <p>Events A and B are mutually exclusive.</p> Signup and view all the answers

    What do the coordinates of the intersection point represent in a system of linear equations?

    <p>The solution to the system of equations</p> Signup and view all the answers

    Which of the following is a key step in solving word problems mathematically?

    <p>Assigning variables to unknown quantities</p> Signup and view all the answers

    What is the result when multiplying both sides of an inequality by a negative number?

    <p>The inequality must be switched</p> Signup and view all the answers

    In the formula for a linear sequence, what does the term $c$ represent?

    <p>The constant term</p> Signup and view all the answers

    Which principle is essential for isolating an unknown variable in a literal equation?

    <p>Performing the same operation to both sides</p> Signup and view all the answers

    What is the common difference in a linear sequence denoted by?

    <p>d</p> Signup and view all the answers

    How is the common difference $d$ calculated in a sequence?

    <p>By subtracting $T_{n-1}$ from $T_n$</p> Signup and view all the answers

    When changing a literal equation to isolate a variable in the denominator, what operation is usually performed?

    <p>Multiply both sides by the lowest common denominator</p> Signup and view all the answers

    Which of the following sequences is classified as a linear sequence?

    <p>2, 4, 6, 8</p> Signup and view all the answers

    What characterizes surds?

    <p>They are the n-th root of numbers that cannot simplify to rational numbers.</p> Signup and view all the answers

    When converting a recurring decimal to a rational number, what is the first step?

    <p>Multiply by a power of 10 before defining the recurring pattern.</p> Signup and view all the answers

    How can rounding off an irrational number be interpreted?

    <p>As obtaining a rational approximation.</p> Signup and view all the answers

    Which of the following describes the nature of rational numbers?

    <p>They encompass variations of both terminating and repeating decimals.</p> Signup and view all the answers

    In the context of estimating surds, what is the role of identifying perfect powers?

    <p>It provides boundaries for comparison to better estimate the value.</p> Signup and view all the answers

    What type of decimal numbers qualify as rational numbers?

    <p>Only repeating and terminating decimals.</p> Signup and view all the answers

    What happens if the digit to be rounded in a decimal is 9?

    <p>It converts to 0 and increases the previous digit by one.</p> Signup and view all the answers

    Which statement best describes the procedure for multiplying a monomial by a binomial?

    <p>You distribute the monomial across both terms of the binomial.</p> Signup and view all the answers

    What does the expression $(ax + b)(cx + d)$ expand to?

    <p>$acx^2 + (ad + bc)x + bd$</p> Signup and view all the answers

    Which statement accurately describes the set of rational numbers?

    <p>They can be expressed as a quotient of two integers.</p> Signup and view all the answers

    What distinguishes irrational numbers from rational numbers?

    <p>Irrational numbers have non-terminating decimal expansions.</p> Signup and view all the answers

    Which of the following numbers is classified as a natural number?

    <p>7</p> Signup and view all the answers

    In the context of the real number system, which of the following subsets contains negative values?

    <p>Integers</p> Signup and view all the answers

    Which example best represents an irrational number?

    <p>√2</p> Signup and view all the answers

    What is the relationship between rational numbers and real numbers?

    <p>All rational numbers are also real numbers.</p> Signup and view all the answers

    Which of the following statements about imaginary numbers is true?

    <p>They are defined as numbers with negative square roots.</p> Signup and view all the answers

    What is the complete set of real numbers represented by?

    <p>R</p> Signup and view all the answers

    What is the result of applying the power of a power rule to the expression $(x^3)^4$?

    <p>$x^{12}$</p> Signup and view all the answers

    If $a^m = 2$ and $a^n = 8$ for positive values of $a$, what is the relationship between $m$ and $n$?

    <p>$m = n/3$</p> Signup and view all the answers

    How would you simplify the expression $ rac{a^{5/2}}{a^{3/2}}$ using the laws of exponents?

    <p>$a^{1/2}$</p> Signup and view all the answers

    What does the expression $( rac{2}{3})^{2/3}$ simplify to?

    <p>$ rac{2^{2/3}}{3^{2/3}}$</p> Signup and view all the answers

    If $a > 0$ and $a^{-2}$ is present in an expression, how is it equivalently expressed?

    <p>$ rac{1}{a^2}$</p> Signup and view all the answers

    In solving the equation $3^x = 27$, which method would you use to isolate $x$?

    <p>Equating exponents</p> Signup and view all the answers

    What is the equivalent expression for $(ab)^{3/4}$?

    <p>$a^{3/4}b^{3/4}$</p> Signup and view all the answers

    Which of the following is NOT a correct application of the zero exponent rule?

    <p>$0^0 = 0$</p> Signup and view all the answers

    When simplifying the expression $(x^4y^2)^3$, which step is first?

    <p>Use the power of a power rule</p> Signup and view all the answers

    Which statement best describes how to handle a negative exponent in the expression $a^{-3}$?

    <p>It becomes $ rac{1}{a^3}$</p> Signup and view all the answers

    What do the coordinates of the intersection point of two linear equations represent?

    <p>The solution to the system of equations</p> Signup and view all the answers

    In the equation $v = \frac{D}{t}$, what does $D$ represent?

    <p>Distance</p> Signup and view all the answers

    What is the common difference in the linear sequence defined by $T_n = 3n + 5$?

    <p>3</p> Signup and view all the answers

    When converting the equation $4x - 2 > 10$ into an inequality solution, what is the first step?

    <p>Add 2 to both sides</p> Signup and view all the answers

    In the context of solving literal equations, what does 'changing the subject of the formula' mean?

    <p>Isolating any variable in the formula</p> Signup and view all the answers

    When solving the inequality $2 - x \geq 3$, what is the resulting inequality after isolation of $x$?

    <p>x \leq -1</p> Signup and view all the answers

    In a linear sequence, if $d$ is not positive, what can we conclude about the sequence?

    <p>The terms are decreasing</p> Signup and view all the answers

    How do you find the value of $d$ in a linear sequence defined by the general term $T_n = 7n - 2$?

    <p>By identifying the coefficient of $n$</p> Signup and view all the answers

    If the linear equation $y = 3x + 2$ intersects the x-axis at a certain point, what is the x-coordinate of that point?

    <p>-2/3</p> Signup and view all the answers

    What is the maximum number of solutions a quadratic equation can possess?

    <p>2</p> Signup and view all the answers

    Which step is essential to verify the accuracy of a solution in both linear and quadratic equations?

    <p>Substituting the solution back into the original equation</p> Signup and view all the answers

    What process is employed to eliminate a variable when solving simultaneous equations?

    <p>Elimination</p> Signup and view all the answers

    When rearranging terms in a linear equation, what is primarily moved to one side?

    <p>All variables</p> Signup and view all the answers

    Which of the following statements is true regarding the factorisation of a quadratic equation?

    <p>It can sometimes yield a single repeated factor.</p> Signup and view all the answers

    In the method for solving linear equations, what is the purpose of expanding all brackets?

    <p>To simplify both sides of the equation</p> Signup and view all the answers

    What is the first step when using the substitution method for solving simultaneous equations?

    <p>Isolating one variable in equation</p> Signup and view all the answers

    What must be true about the balance of an equation when performing operations?

    <p>Both sides must be altered equally</p> Signup and view all the answers

    In what scenario can a quadratic equation have no real solutions?

    <p>When the discriminant is negative</p> Signup and view all the answers

    What does the term 'factorisation' refer to in algebra?

    <p>Breaking down an expression into simpler expressions that multiply to give the original.</p> Signup and view all the answers

    Which of the following represents the correct expansion of the product of a binomial and a trinomial?

    <p>A(C + D + E) + B(C + D + E)</p> Signup and view all the answers

    When simplifying the fraction $ rac{a}{b} + rac{c}{b}$, what is the simplest form of the expression?

    <p>$ rac{a + c}{b}$</p> Signup and view all the answers

    Which equation correctly represents the factorisation of a difference of squares?

    <p>$a^2 - b^2 = (a + b)(a - b)$</p> Signup and view all the answers

    What is the first step in the general procedure for factorising a trinomial of the form $ax^2 + bx + c$?

    <p>Identify any common factors.</p> Signup and view all the answers

    Which identity is used for factorising the sum of two cubes?

    <p>$x^3 + y^3 = (x + y)(x^2 - xy + y^2)$</p> Signup and view all the answers

    When multiplying two binomials, which form does the result take?

    <p>$acx^2 + (ad + bc)x + bd$</p> Signup and view all the answers

    What is the resulting form of the difference of two cubes represented by the expression $x^3 - y^3$?

    <p>$(x - y)(x^2 - xy + y^2)$</p> Signup and view all the answers

    In the operation of multiplying a binomial by a trinomial, what does each term of the binomial get multiplied by?

    <p>Each term of the trinomial.</p> Signup and view all the answers

    What represents the y-intercept in a linear equation of the form $y = mx + c$?

    <p>It is the point where the graph crosses the y-axis.</p> Signup and view all the answers

    How does the value of $m$ affect the graph of a linear function?

    <p>It determines the slope and direction of the graph.</p> Signup and view all the answers

    In the quadratic function $y = ax^2 + q$, what aspect of the graph is significantly influenced by the value of $q$?

    <p>The vertical position of the turning point.</p> Signup and view all the answers

    What does a negative value for $a$ in the quadratic function $y = ax^2 + q$ indicate about the graph?

    <p>The graph opens downwards, producing a maximum turning point.</p> Signup and view all the answers

    What is the domain of linear functions represented by $f(x) = mx + c$?

    <p>All real numbers.</p> Signup and view all the answers

    What role does the y-intercept ($c$) play when $c < 0$ in the graph of a linear function?

    <p>It shifts the entire graph downwards.</p> Signup and view all the answers

    What are the three characteristics needed to sketch the graph of a linear function $f(x) = mx + c$?

    <p>The sign of $m$, the y-intercept, and the x-intercept.</p> Signup and view all the answers

    What is the defining characteristic of a linear sequence?

    <p>The elements change at a constant rate.</p> Signup and view all the answers

    In the equation $m = \frac{\text{change in } y}{\text{change in } x}$, what does $m$ represent?

    <p>The rate of change of the function.</p> Signup and view all the answers

    What happens to the graph of a parabola when the value of $a$ is decreased while being less than zero?

    <p>The graph becomes wider as it approaches zero.</p> Signup and view all the answers

    How does the function $y = ax^2 + q$ behave when $a$ is positive?

    <p>The graph is a parabola that opens upwards with a minimum turning point.</p> Signup and view all the answers

    Which statement accurately describes the domain and range for the hyperbolic function $y = \frac{a}{x} + q$?

    <p>Domain: all real numbers except for $0$; Range: all values except for $q$.</p> Signup and view all the answers

    What is the effect of choosing $q$ to be less than zero in the hyperbola $y = \frac{a}{x} + q$?

    <p>The graph shifts vertically downwards by $|q|$ units.</p> Signup and view all the answers

    What characteristic of the parabola is defined by the value of $q$?

    <p>It sets the vertical shift of the graph.</p> Signup and view all the answers

    Which statement is true about the turning points of the graph $y = ax^2 + q$ when $a < 0$?

    <p>The maximum turning point occurs at $(0, q)$.</p> Signup and view all the answers

    What happens to the hyperbolic graph's shape when $a$ is negative?

    <p>The graph lies in the second and fourth quadrants.</p> Signup and view all the answers

    What is the result of evaluating the x-intercept for the function $y = \frac{a}{x} + q$?

    <p>It can be found by setting $y$ equal to $0$.</p> Signup and view all the answers

    Which statement about the axes of symmetry of the parabolic function $y = ax^2 + q$ is correct?

    <p>The axis of symmetry is always at the line $x = 0$.</p> Signup and view all the answers

    What is the range of the cosine function expressed in terms of parameters a and q?

    <p>[q - |a|, q + |a|]</p> Signup and view all the answers

    For the tangent function, what are the specified asymptotes within the range of 0° to 360°?

    <p>theta = 90° and theta = 270°</p> Signup and view all the answers

    In the context of the parabola, what does a negative value of a indicate?

    <p>The parabola opens downward.</p> Signup and view all the answers

    When determining the equation of a hyperbola, what is the first step in the process?

    <p>Examine the sketch to determine the sign of a.</p> Signup and view all the answers

    If q in the tangent function is greater than 0, what effect does this have on the graph?

    <p>The graph shifts upward by q units.</p> Signup and view all the answers

    What does the process of calculating intercepts involve for parabolas and lines?

    <p>Setting y to 0 to find x-intercepts and x to 0 for the y-intercept.</p> Signup and view all the answers

    How do the graphs of sine and cosine functions relate to each other?

    <p>The cosine graph can be achieved by shifting the sine graph to the left by 90°.</p> Signup and view all the answers

    What primary factor influences the steepness of the branches in the tangent function?

    <p>The value of a.</p> Signup and view all the answers

    What is the period of the tangent function?

    <p>180°</p> Signup and view all the answers

    What does a probability of 0 indicate about an event?

    <p>The event is impossible.</p> Signup and view all the answers

    When describing probability as a fraction, which represents a probability of 0.5?

    <p>$ rac{1}{2}$</p> Signup and view all the answers

    Which formula correctly defines the theoretical probability of an event?

    <p>$P(E) = rac{n(E)}{n(S)}$</p> Signup and view all the answers

    How does relative frequency differ from theoretical probability?

    <p>It is determined through experimental trials.</p> Signup and view all the answers

    In relation to Venn diagrams, which of the following correctly represents 'A and B'?

    <p>A ∩ B</p> Signup and view all the answers

    What is represented by a probability that approaches 1 as more trials are conducted?

    <p>The relative frequency is becoming constant.</p> Signup and view all the answers

    Which of the following statements about union and intersection is incorrect?

    <p>Union is always a subset of both sets.</p> Signup and view all the answers

    Which of the following situations describes 'complete containment' in the context of Venn diagrams?

    <p>Set B contains all elements of A.</p> Signup and view all the answers

    What is the range of values for probability?

    <p>From 0 to 1</p> Signup and view all the answers

    When calculating the amount in a new currency, which component clearly indicates the conversion involved?

    <p>Divide the amount in the original currency by the exchange rate.</p> Signup and view all the answers

    How does the variable $q$ affect the sine function $y = a an \theta + q$?

    <p>It determines the vertical shift of the graph.</p> Signup and view all the answers

    What characterizes the difference between simple interest and compound interest?

    <p>Compound interest is calculated on both the principal and the accumulated interest.</p> Signup and view all the answers

    In the context of hyperbolas, how can asymptotes be identified?

    <p>By finding the values that make the denominator equal to zero.</p> Signup and view all the answers

    Which formula accurately represents the accumulated amount with simple interest?

    <p>$A = P(1 + in)$</p> Signup and view all the answers

    What is the defining characteristic of the population growth formula compared to simple interest?

    <p>It uses the same compound interest formula as for financial contexts.</p> Signup and view all the answers

    What component is crucial in determining the vertical shift of the cosine function?

    <p>The constant $q$.</p> Signup and view all the answers

    When calculating the accumulated amount from inflation, which variable plays the same role as the principal in other financial contexts?

    <p>$P$, signifying the current price.</p> Signup and view all the answers

    What is a key factor that distinguishes a hire purchase agreement from other loan types?

    <p>Simple interest is applied on the remaining balance.</p> Signup and view all the answers

    What effect does an increase in the interest rate have on the accumulated amount for both simple and compound interest?

    <p>It increases the final amount for both simple and compound interest.</p> Signup and view all the answers

    Which statement best describes the impact of foreign exchange rates on international trade?

    <p>They can either inflate or deflate international prices.</p> Signup and view all the answers

    What is the probability relationship for mutually exclusive events?

    <p>P(A ∪ B) = P(A) + P(B)</p> Signup and view all the answers

    In a Venn diagram representing two events A and B, which area corresponds to the probability of their intersection?

    <p>Only the overlapping area of A and B</p> Signup and view all the answers

    If event A has a probability of 0.4, what must the probability of its complement A' be?

    <p>0.6</p> Signup and view all the answers

    Which identity correctly expresses the relationship between the probabilities of complementary events?

    <p>P(A) + P(A') = 1</p> Signup and view all the answers

    Which statement correctly describes mutually exclusive events?

    <p>They cannot have any outcomes in common.</p> Signup and view all the answers

    Which of the following statements about the probability of unions of two events is true?

    <p>P(A ∪ B) requires knowing P(A ∩ B) to avoid double counting.</p> Signup and view all the answers

    In the context of unions and intersections, what does the notation P(A ∩ B) represent?

    <p>The probability that both A and B occur simultaneously</p> Signup and view all the answers

    What does the symbol P(S) signify in probability theory?

    <p>The probability of the sample space</p> Signup and view all the answers

    What is one consequence of events A and B being mutually exclusive?

    <p>P(A ∪ B) = P(A) + P(B)</p> Signup and view all the answers

    What does the sign of the constant $a$ determine in the graph of the function $y = ab^x + q$?

    <p>The direction of the curve of the graph</p> Signup and view all the answers

    In the function $y = ab^x + q$, what is the impact of $b$ when $b > 1$?

    <p>The function represents exponential growth</p> Signup and view all the answers

    What is the range of the function $y = a ext{sin}( heta) + q$ when $a < 0$ and $q = 2$?

    <p>[2 - |a|, 2]</p> Signup and view all the answers

    For the sine and cosine functions, how do their y-intercepts differ at $x = 0$?

    <p>Sine has a y-intercept of 0, while cosine has 1</p> Signup and view all the answers

    What defines the period of the sine and cosine functions?

    <p>The interval over which the function repeats</p> Signup and view all the answers

    Which characteristic is specific to the x-intercepts of the sine function?

    <p>They are located at specific multiples of $180°$</p> Signup and view all the answers

    What effect does a negative value of $a$ have on a function of the form $y = a ext{cos}( heta) + q$?

    <p>It reflects the graph about the x-axis</p> Signup and view all the answers

    What is the domain restriction for the sine function described?

    <p>$[0°, 360°]$</p> Signup and view all the answers

    How is the y-intercept of the exponential function defined mathematically?

    <p>$y = ab^0 + q$</p> Signup and view all the answers

    In the context of exponential functions, what happens to the graph when $q < 0$?

    <p>The graph shifts down by $q$ units</p> Signup and view all the answers

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