Gr 11 Math June P1 (Easy)
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Questions and Answers

What is the rational number that can be written as a fraction with an integer in the numerator and the denominator?

  • A number that is always negative
  • A number that can be written as a fraction with an integer in the numerator and the denominator (correct)
  • A number that can only be written as a whole number
  • Any number that can be written as a decimal
  • What is the value of r in the equation r^n = a, where n ≥ 2?

  • √(a) (correct)
  • √(a^n)
  • a^(1/n)
  • √(a^(1/n))
  • What is the value of a^(1/n), where a > 0 and n ≥ 2?

  • √(a^n)
  • a^n
  • √(a) (correct)
  • a^(1/n^2)
  • What is the radical symbol that indicates the nth root of a?

    <p>√<a href="a">n</a></p> Signup and view all the answers

    What is a surd?

    <p>A radical resulting in an irrational number</p> Signup and view all the answers

    What is the property of simplifying surds that states √(a) × √(b) = √(ab)?

    <p>Product of Radicals</p> Signup and view all the answers

    What is the purpose of rationalising the denominator?

    <p>To eliminate the surd from the denominator</p> Signup and view all the answers

    What is the law of exponents that states a^m × a^n = a^(m+n)?

    <p>Product of Powers</p> Signup and view all the answers

    What is the formula for exponential growth or decay?

    <p>P(t) = P_0 × (1 + r)^t</p> Signup and view all the answers

    What is the purpose of rationalizing denominators?

    <p>To eliminate radicals from the denominator</p> Signup and view all the answers

    What is the formula for a^(-m)?

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

    What is the purpose of the zero-product property in solving quadratic surd equations?

    <p>To solve for both factors</p> Signup and view all the answers

    What is the formula for a^(m/n)?

    <p>√(a^m)</p> Signup and view all the answers

    What is the first step in identifying the variables in an exponential growth or decay problem?

    <p>Determine the initial amount, growth rate, and time period</p> Signup and view all the answers

    What is the first step in solving surd equations?

    <p>Isolate the surd</p> Signup and view all the answers

    What is the set of natural numbers represented by?

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

    What is the purpose of converting surds to exponential notation?

    <p>To make manipulation easier</p> Signup and view all the answers

    What is the formula for exponential growth or decay?

    <p>P = P₀ × (1 + r)^t</p> Signup and view all the answers

    What is the formula for population growth?

    <p>P(t) = P_0 × (1 + r)^t</p> Signup and view all the answers

    What is the purpose of completing the square?

    <p>To solve quadratic equations</p> Signup and view all the answers

    What is the purpose of checking solutions in surd equations?

    <p>To verify the solution is correct</p> Signup and view all the answers

    What is the formula for compound interest?

    <p>P(t) = P_0 × (1 + r)^t</p> Signup and view all the answers

    What is the quadratic formula used for?

    <p>Solving quadratic equations</p> Signup and view all the answers

    What is the formula for the quadratic formula?

    <p>x = (-b ± √(b^2 - 4ac)) / 2a</p> Signup and view all the answers

    What is the first step in solving quadratic equations by completing the square?

    <p>Write the equation in the standard form</p> Signup and view all the answers

    What is the definition of a^0?

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

    What is the definition of a^(-n)?

    <p>a^(-n) = 1/a^n</p> Signup and view all the answers

    What is the definition of √(a)?

    <p>√(a) = a^1/2</p> Signup and view all the answers

    What is the formula to determine the roots of a quadratic equation?

    <p>x = -b / 2a ± √(b^2 - 4ac) / 2a</p> Signup and view all the answers

    What type of roots does a quadratic equation have when b^2 - 4ac > 0?

    <p>Real and distinct roots</p> Signup and view all the answers

    What is the first step in solving a quadratic equation by substitution?

    <p>Identify restrictions</p> Signup and view all the answers

    What is the purpose of the discriminant in a quadratic equation?

    <p>To determine the type of roots</p> Signup and view all the answers

    What type of roots does a quadratic equation have when b^2 - 4ac < 0?

    <p>Complex conjugate roots</p> Signup and view all the answers

    What is the last step in finding the quadratic equation given the roots?

    <p>Write the final answer</p> Signup and view all the answers

    When is the discriminant of a quadratic equation equal to zero?

    <p>When the equation has exactly one real root</p> Signup and view all the answers

    What is the purpose of the substitution method in solving quadratic equations?

    <p>To simplify the equation by making a substitution</p> Signup and view all the answers

    What happens when the discriminant is a perfect square?

    <p>The roots are rational</p> Signup and view all the answers

    What is the second step in finding the quadratic equation given the roots?

    <p>Write the equation as the product of two factors</p> Signup and view all the answers

    What is the nature of the roots of a quadratic equation if the discriminant Δ is less than 0?

    <p>Non-real</p> Signup and view all the answers

    What is the formula for the discriminant Δ of a quadratic equation in standard form?

    <p>Δ = b^2 - 4ac</p> Signup and view all the answers

    What is the first step in solving a quadratic inequality?

    <p>Write the quadratic in standard form</p> Signup and view all the answers

    What is the purpose of a table of signs in solving a quadratic inequality?

    <p>To determine the sign of each factor on intervals defined by the critical values</p> Signup and view all the answers

    What is the graphical representation of a quadratic inequality?

    <p>A graph that shows the regions where the quadratic expression is positive or negative</p> Signup and view all the answers

    What is the purpose of solving simultaneous linear equations?

    <p>To find the values of n unknown variables</p> Signup and view all the answers

    What method is commonly used to solve systems of simultaneous equations with linear and non-linear equations?

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

    What is required to solve for the values of n unknown variables?

    <p>A system of n independent equations</p> Signup and view all the answers

    What is the main difference between solving quadratic equations and quadratic inequalities?

    <p>The direction of the inequality sign</p> Signup and view all the answers

    What is the purpose of sign analysis in solving quadratic inequalities?

    <p>To determine where each factor is positive or negative on the number line</p> Signup and view all the answers

    What is the first step in solving a system of equations using substitution?

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

    What is the purpose of equating the two equations in the elimination method?

    <p>To reduce the number of equations and variables by one.</p> Signup and view all the answers

    What is the final step in solving word problems?

    <p>Write the final answer.</p> Signup and view all the answers

    What is the effect of a positive value of q on the graph of y = ax^2 + q?

    <p>The graph is shifted vertically upwards.</p> Signup and view all the answers

    What is the effect of a negative value of a on the graph of y = ax^2 + q?

    <p>The graph becomes a 'frown'.</p> Signup and view all the answers

    What is the effect of a positive value of p on the graph of y = a(x + p)^2 + q?

    <p>The graph is shifted to the right.</p> Signup and view all the answers

    What is the purpose of assigning variables to unknown quantities in word problems?

    <p>To translate the words into algebraic expressions.</p> Signup and view all the answers

    What is the role of problem-solving strategies in real-world applications?

    <p>To understand how the natural world works.</p> Signup and view all the answers

    What is the purpose of drawing the graph of each equation on the same system of axes in solving graphically?

    <p>To find the solution to the system of equations.</p> Signup and view all the answers

    What is the axis of symmetry of the graph of y = a(x + p)^2 + q?

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

    What is the effect of q on the graph of a quadratic function?

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

    What is the axis of symmetry for the graph of f(x) = a(x + p)^2 + q?

    <p>The vertical line x = -p</p> Signup and view all the answers

    How do you shift the graph of a quadratic function 2 units to the right?

    <p>Replace x with x - 2</p> Signup and view all the answers

    What is the formula for the average gradient of a curve between two points A and C?

    <p>(y_A - y_C) / (x_A - x_C)</p> Signup and view all the answers

    What is the general form of a hyperbolic function?

    <p>y = a/x + q</p> Signup and view all the answers

    What is the effect of a on the shape of the graph of a quadratic function?

    <p>It changes the shape of the graph</p> Signup and view all the answers

    What is the range of the graph of a quadratic function when a > 0?

    <p>All real numbers greater than or equal to q</p> Signup and view all the answers

    What is the formula for finding the y-intercept of a quadratic function?

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

    What is the turning point of the graph of f(x) = a(x + p)^2 + q?

    <p>(-p, q)</p> Signup and view all the answers

    What is the domain of the graph of a quadratic function?

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

    What is the effect of a positive value of q on the graph of f(x) = 1/x + q?

    <p>The graph is shifted vertically upwards by q units.</p> Signup and view all the answers

    What is the effect of a negative value of p on the graph of f(x) = a/(x + p) + q?

    <p>The graph is shifted horizontally to the right by p units.</p> Signup and view all the answers

    What is the domain of the function f(x) = a/(x + p) + q?

    <p>All real numbers except x = -p</p> Signup and view all the answers

    What is the effect of a positive value of a on the graph of f(x) = a/x + q?

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

    What is the horizontal asymptote of the function f(x) = a/x + q?

    <p>The line y = q</p> Signup and view all the answers

    What is the effect of a positive value of b on the graph of f(x) = ab^x + q?

    <p>The graph is increasing and lies above the horizontal asymptote.</p> Signup and view all the answers

    What is the effect of a negative value of a on the graph of f(x) = ab^x + q?

    <p>The graph is reflected about the horizontal asymptote.</p> Signup and view all the answers

    What is the vertical asymptote of the function f(x) = a/(x + p) + q?

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

    What is the effect of a positive value of p on the graph of f(x) = a/(x + p) + q?

    <p>The graph is shifted horizontally to the left by p units.</p> Signup and view all the answers

    What is the axes of symmetry intersect at in the graph of f(x) = a/(x + p) + q?

    <p>(-p, q)</p> Signup and view all the answers

    What is the value of $a^{-rac{1}{n}}$?

    <p>$rac{1}{\sqrt[n]{a}}$</p> Signup and view all the answers

    What is the property of surds that states $\sqrt[n]{a} \times \sqrt[n]{b} = \sqrt[n]{ab}$?

    <p>Product of surds</p> Signup and view all the answers

    What is the purpose of rationalising the denominator?

    <p>To eliminate the surd from the denominator</p> Signup and view all the answers

    What is the value of $a^{rac{m}{n}}$?

    <p>$\sqrt[n]{a^m}$</p> Signup and view all the answers

    What is the law of exponents that states $a^m \times a^n = a^{m+n}$?

    <p>Product of powers</p> Signup and view all the answers

    What is the definition of a surd?

    <p>A radical resulting in an irrational number</p> Signup and view all the answers

    What is the value of $\sqrt[n]{a^m}$?

    <p>$\left(\sqrt[n]{a}\right)^m$</p> Signup and view all the answers

    What is the property of surds that states $\frac{\sqrt[n]{a}}{\sqrt[n]{b}} = \sqrt[n]{\frac{a}{b}}$?

    <p>Quotient of surds</p> Signup and view all the answers

    What is the purpose of identifying the variables in an exponential growth or decay problem?

    <p>To determine the initial amount, growth rate, and time period</p> Signup and view all the answers

    What is the result of multiplying a rational number by its reciprocal?

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

    What is the formula for determining the roots of a quadratic equation?

    <p>x = -b / 2a ± √(b^2 - 4ac) / 2a</p> Signup and view all the answers

    What is the set of numbers that includes all rational and irrational numbers?

    <p>Real numbers</p> Signup and view all the answers

    What type of roots does a quadratic equation have when b^2 - 4ac > 0?

    <p>Real and distinct roots</p> Signup and view all the answers

    What is the formula used to find the solutions of a quadratic equation?

    <p>x = -b ± √(b^2 - 4ac) / 2a</p> Signup and view all the answers

    What is the purpose of completing the square in solving quadratic equations?

    <p>To transform the equation into a perfect square trinomial</p> Signup and view all the answers

    What is the purpose of making a substitution in solving quadratic equations?

    <p>To identify a repeated expression</p> Signup and view all the answers

    What is the first step in finding the quadratic equation given the roots?

    <p>Write the roots as two equations</p> Signup and view all the answers

    What is the result of raising a number to the power of 0?

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

    What is the formula used to find the roots of a quadratic equation by completing the square?

    <p>x = -b ± √(b^2 - 4ac) / 2a</p> Signup and view all the answers

    What is the discriminant of a quadratic equation?

    <p>b^2 - 4ac</p> Signup and view all the answers

    What is the definition of a surd?

    <p>A root of a number that cannot be expressed as a finite decimal</p> Signup and view all the answers

    What happens when the discriminant is a perfect square?

    <p>The roots are rational</p> Signup and view all the answers

    What is the purpose of the quadratic formula in solving quadratic equations?

    <p>To find the roots of a quadratic equation</p> Signup and view all the answers

    What is the purpose of identifying restrictions in the substitution method?

    <p>To ensure the values do not result in undefined expressions</p> Signup and view all the answers

    What is the last step in finding the quadratic equation given the roots?

    <p>Multiply by constants if required</p> Signup and view all the answers

    What is the result of raising a number to a negative power?

    <p>The reciprocal of the number</p> Signup and view all the answers

    What type of roots does a quadratic equation have when the discriminant is less than 0?

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

    What is the second step in finding the quadratic equation given the roots?

    <p>Write down as the product of two factors</p> Signup and view all the answers

    What is the purpose of raising both sides of the equation to the power corresponding to the root when solving surd equations?

    <p>To eliminate the surd on one side of the equation</p> Signup and view all the answers

    What is the formula for exponential growth or decay?

    <p>P(t) = P_0 × (1 + r)^t</p> Signup and view all the answers

    What is the purpose of converting surds to exponential notation?

    <p>To make manipulation easier</p> Signup and view all the answers

    What is the definition of a^0?

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

    What is the purpose of checking solutions in surd equations?

    <p>To verify the solution is correct</p> Signup and view all the answers

    What is the formula for a^(m/n)?

    <p>a^(m/n) = √(a^m)/√(a^n)</p> Signup and view all the answers

    What is the purpose of factorizing quadratic equations in surd form?

    <p>To solve for the variable</p> Signup and view all the answers

    What is the definition of a^(-m)?

    <p>a^(-m) = 1/a^m</p> Signup and view all the answers

    What is the purpose of applying exponent laws when solving surd equations?

    <p>To make manipulation easier</p> Signup and view all the answers

    What is the first step in solving surd equations?

    <p>Isolate the surd on one side of the equation</p> Signup and view all the answers

    What is the nature of the roots of a quadratic equation if Δ = 0?

    <p>Real and equal roots</p> Signup and view all the answers

    What is the purpose of the discriminant Δ in a quadratic equation?

    <p>To determine the nature of the roots of the equation</p> Signup and view all the answers

    What is the first step in solving a quadratic inequality?

    <p>Write the quadratic inequality in standard form</p> Signup and view all the answers

    What is the purpose of a table of signs in solving a quadratic inequality?

    <p>To determine the sign of the quadratic expression on different intervals</p> Signup and view all the answers

    What is the graphical representation of a quadratic inequality?

    <p>The regions where the quadratic expression is positive or negative</p> Signup and view all the answers

    What method is commonly used to solve systems of simultaneous equations with linear and non-linear equations?

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

    What is required to solve for the values of n unknown variables?

    <p>A system of n independent equations</p> Signup and view all the answers

    What is the formula for the discriminant Δ of a quadratic equation in standard form?

    <p>b^2 - 4ac</p> Signup and view all the answers

    What is the purpose of solving quadratic inequalities?

    <p>To determine the region where the quadratic expression is positive or negative</p> Signup and view all the answers

    What is the main difference between solving quadratic equations and quadratic inequalities?

    <p>The purpose of solving them</p> Signup and view all the answers

    What is the purpose of solving simultaneous linear equations?

    <p>To find the values of variables</p> Signup and view all the answers

    What is the effect of q on the graph of y = ax^2 + q?

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

    What is the first step in solving a word problem?

    <p>Read the problem carefully</p> Signup and view all the answers

    What is the purpose of translating words into algebraic expressions in a word problem?

    <p>To set up a system of equations</p> Signup and view all the answers

    What is the effect of a on the shape of the graph of y = ax^2 + q?

    <p>Change in shape of the graph</p> Signup and view all the answers

    What is the purpose of solving systems of equations?

    <p>To find the values of variables</p> Signup and view all the answers

    What is the effect of p on the graph of y = a(x + p)^2 + q?

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

    What is the purpose of substitution in solving quadratic equations?

    <p>To eliminate one variable</p> Signup and view all the answers

    What is the purpose of elimination in solving quadratic equations?

    <p>To eliminate one variable</p> Signup and view all the answers

    What is the purpose of solving quadratic equations?

    <p>To find the values of variables</p> Signup and view all the answers

    What is the effect of q on the graph of a quadratic function?

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

    What is the range of a quadratic function if a > 0?

    <p>{y : y ≥ q, y ∈ ℝ}</p> Signup and view all the answers

    How do you find the y-intercept of a quadratic function?

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

    What is the formula for the turning point of a quadratic function in the form f(x) = a(x + p)^2 + q?

    <p>(-p, q)</p> Signup and view all the answers

    What is the axis of symmetry for a quadratic function in the form f(x) = a(x + p)^2 + q?

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

    How do you shift a quadratic function m units to the right?

    <p>Replace x with x - m</p> Signup and view all the answers

    What is the formula for the average gradient between two points on a curve?

    <p>Gradient = (y2 - y1) / (x2 - x1)</p> Signup and view all the answers

    What is the purpose of the average gradient formula?

    <p>To find the gradient of a curve at a point</p> Signup and view all the answers

    What is the general form of a hyperbolic function?

    <p>y = a/x + q</p> Signup and view all the answers

    What is the purpose of finding the average gradient between two points on a curve?

    <p>To find the gradient of the curve at a point</p> Signup and view all the answers

    What is the effect of a change in p on the graph of y = a/(x + p) + q?

    <p>A horizontal shift</p> Signup and view all the answers

    What is the domain of the function y = a/(x + p) + q?

    <p>All real numbers except x = -p</p> Signup and view all the answers

    What is the effect of a change in q on the graph of y = a/(x + p) + q?

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

    What is the range of the function y = a/(x + p) + q?

    <p>All real numbers except y = q</p> Signup and view all the answers

    What is the axis of symmetry of the graph of y = a/(x + p) + q?

    <p>The line y = q</p> Signup and view all the answers

    What is the effect of a change in a on the graph of y = a/(x + p) + q?

    <p>A change in shape</p> Signup and view all the answers

    What is the equation of the vertical asymptote of the graph of y = ab^x + q?

    <p>There is no vertical asymptote</p> Signup and view all the answers

    What is the effect of a change in q on the graph of y = ab^x + q?

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

    What is the domain of the function y = ab^x + q?

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

    What is the effect of a change in b on the graph of y = ab^x + q?

    <p>A change in direction</p> Signup and view all the answers

    What is the value of $a^{-rac{1}{n}}$?

    <p>$rac{1}{\sqrt[n]{a}}$</p> Signup and view all the answers

    What is the value of $a^{rac{m}{n}}$?

    <p>$\sqrt[n]{a^m}$</p> Signup and view all the answers

    What is the purpose of rationalising the denominator?

    <p>To eliminate the surd from the denominator</p> Signup and view all the answers

    What is the property of simplifying surds that states $\sqrt[n]{a} \times \sqrt[n]{b} = \sqrt[n]{ab}$?

    <p>Simplifying surds</p> Signup and view all the answers

    What is the value of $a^{rac{1}{n}}$?

    <p>$\sqrt[n]{a}$</p> Signup and view all the answers

    What is the definition of a surd?

    <p>A radical resulting in an irrational number</p> Signup and view all the answers

    What is the purpose of the laws of exponents?

    <p>To extend the rules of exponents to include rational numbers</p> Signup and view all the answers

    What is the formula for $a^{rac{m}{n}}$ in terms of radicals?

    <p>$\sqrt[n]{a^m}$</p> Signup and view all the answers

    What is the purpose of exponent laws in algebra?

    <p>To govern the manipulation of expressions involving exponents</p> Signup and view all the answers

    What is the result of raising both sides of an equation to the power corresponding to the root in solving surd equations?

    <p>Eliminating the surd</p> Signup and view all the answers

    What is the formula for exponential growth or decay?

    <p>P(t) = P_0 × (1 + r)^t</p> Signup and view all the answers

    What is the purpose of factorizing a quadratic equation in solving surd equations?

    <p>To solve for both factors</p> Signup and view all the answers

    What is the definition of a^0?

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

    What is the purpose of converting surds to exponential notation in solving surd equations?

    <p>To make manipulation easier</p> Signup and view all the answers

    What is the result of substituting a solution back into the original equation in solving surd equations?

    <p>Verifying the solution is correct</p> Signup and view all the answers

    What is the purpose of isolating the surd in solving surd equations?

    <p>To get the surd term by itself on one side of the equation</p> Signup and view all the answers

    What is the definition of a^(-m)?

    <p>a^(-m) = 1/a^m</p> Signup and view all the answers

    What is the formula for population growth?

    <p>P(t) = P_0 × (1 + r)^t</p> Signup and view all the answers

    What is the first step in identifying the variables in an exponential growth or decay problem?

    <p>Determine the initial amount (P0)</p> Signup and view all the answers

    What is the purpose of converting percentage rates into decimal form in exponential growth or decay problems?

    <p>To ensure accuracy in the calculation</p> Signup and view all the answers

    What is the set of real numbers represented by?

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

    What is the formula to determine the roots of a quadratic equation?

    <p>x = -b/2a ± √(b² - 4ac)/2a</p> Signup and view all the answers

    What is the formula for completing the square in a quadratic equation?

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

    What happens when the discriminant is less than 0?

    <p>The quadratic equation has no real roots, only imaginary ones</p> Signup and view all the answers

    What is the purpose of the discriminant in a quadratic equation?

    <p>To determine the type of roots of the equation</p> Signup and view all the answers

    What is the purpose of the quadratic formula?

    <p>To solve quadratic equations</p> Signup and view all the answers

    What is the definition of a^(1/n) in exponential notation?

    <p>the nth root of a</p> Signup and view all the answers

    What is the first step in solving a quadratic equation by substitution?

    <p>Determine the restrictions</p> Signup and view all the answers

    What is the formula for a^(-m) in exponential notation?

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

    What type of roots does a quadratic equation have when b² - 4ac = 0?

    <p>One real root</p> Signup and view all the answers

    What is the last step in finding the quadratic equation given the roots?

    <p>Write the final answer</p> Signup and view all the answers

    What is the purpose of rationalizing the denominator in a surd expression?

    <p>To simplify the expression</p> Signup and view all the answers

    What is the formula for the discriminant Δ of a quadratic equation in standard form?

    <p>Δ = b² - 4ac</p> Signup and view all the answers

    What is the formula for the discriminant Δ of a quadratic equation in standard form?

    <p>b^2 - 4ac</p> Signup and view all the answers

    What type of roots does a quadratic equation have when b² - 4ac > 0?

    <p>Two distinct real roots</p> Signup and view all the answers

    What is the purpose of solving quadratic equations by completing the square?

    <p>To find the roots of the equation</p> Signup and view all the answers

    What is the purpose of the substitution method in solving quadratic equations?

    <p>To make the equation easier to solve</p> Signup and view all the answers

    When is the discriminant of a quadratic equation equal to zero?

    <p>When the equation has one real root</p> Signup and view all the answers

    What is the nature of the roots of a quadratic equation if the discriminant Δ is equal to 0?

    <p>Real and equal</p> Signup and view all the answers

    What is the purpose of solving a quadratic inequality?

    <p>To determine which part of the graph lies above or below the x-axis</p> Signup and view all the answers

    What is the formula for the discriminant Δ of a quadratic equation in standard form?

    <p>Δ = b^2 - 4ac</p> Signup and view all the answers

    What is the first step in solving a quadratic inequality?

    <p>Write the quadratic in standard form</p> Signup and view all the answers

    What is required to solve for the values of n unknown variables?

    <p>A system of n independent equations</p> Signup and view all the answers

    What is the purpose of a table of signs in solving a quadratic inequality?

    <p>To identify the regions where the quadratic expression is positive or negative</p> Signup and view all the answers

    What is the graphical representation of a quadratic inequality?

    <p>A region on a coordinate plane</p> Signup and view all the answers

    What method is commonly used to solve systems of simultaneous equations with linear and non-linear equations?

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

    What is the nature of the roots of a quadratic equation if the discriminant Δ is greater than 0?

    <p>Real and unequal</p> Signup and view all the answers

    What is the purpose of solving simultaneous linear equations?

    <p>To determine the point of intersection</p> Signup and view all the answers

    What is the effect of a positive q on the graph of y = a/(x + p) + q?

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

    What is the domain of the function y = a/(x + p) + q?

    <p>All real numbers except x = -p</p> Signup and view all the answers

    What is the effect of a negative p on the graph of y = a/(x + p) + q?

    <p>A horizontal shift to the left</p> Signup and view all the answers

    What is the range of the function y = a/(x + p) + q?

    <p>All real numbers except y = q</p> Signup and view all the answers

    What is the effect of a on the shape of the graph of y = a/(x + p) + q?

    <p>It determines if the graph lies in the first and third quadrants or the second and fourth quadrants</p> Signup and view all the answers

    What is the equation of the vertical asymptote of the graph of y = a/(x + p) + q?

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

    What is the equation of the horizontal asymptote of the graph of y = a/(x + p) + q?

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

    What is the effect of q on the graph of y = ab^x + q?

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

    What is the effect of a on the shape of the graph of y = ab^x + q?

    <p>It determines if the graph lies above or below the horizontal asymptote</p> Signup and view all the answers

    What is the effect of p on the graph of y = ab^(x + p) + q?

    <p>A horizontal shift</p> Signup and view all the answers

    What is the first step in solving a system of linear equations using the substitution method?

    <p>Solve one of the equations for one variable</p> Signup and view all the answers

    What is the purpose of writing a set of equations when solving a word problem?

    <p>To model real-world scenarios</p> Signup and view all the answers

    What is the effect of the parameter q on the graph of a parabolic function of the form y = ax^2 + q?

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

    What is the purpose of solving simultaneous linear equations in real-world applications?

    <p>To find the solution to a system of linear equations</p> Signup and view all the answers

    What is the effect of the parameter a on the shape of a parabolic function of the form y = ax^2 + q?

    <p>Change in shape</p> Signup and view all the answers

    What is the final step in solving a system of linear equations using the substitution method?

    <p>Write the final answer</p> Signup and view all the answers

    What is the purpose of solving quadratic equations in real-world applications?

    <p>To find the solution to a quadratic equation</p> Signup and view all the answers

    What is the effect of the parameter p on the graph of a parabolic function of the form y = a(x + p)^2 + q?

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

    What is the first step in solving a word problem?

    <p>Read the problem carefully</p> Signup and view all the answers

    What is the purpose of solving systems of linear equations in real-world applications?

    <p>To find the solution to a system of linear equations</p> Signup and view all the answers

    What is the effect of the value of q on the graph of a quadratic function?

    <p>It affects whether the turning point is above or below the x-axis</p> Signup and view all the answers

    What is the domain of a quadratic function?

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

    What is the turning point of a quadratic function in the form f(x) = a(x + p)^2 + q?

    <p>(-p, q)</p> Signup and view all the answers

    What is the axis of symmetry of a quadratic function in the form f(x) = a(x + p)^2 + q?

    <p>The vertical line x = -p</p> Signup and view all the answers

    How do you shift a quadratic function 2 units to the right?

    <p>Replace x with x - 2</p> Signup and view all the answers

    What is the average gradient of a curve between two points?

    <p>The gradient of the line passing through the two points</p> Signup and view all the answers

    What is the formula for the average gradient of a curve?

    <p>(y2 - y1) / (x2 - x1)</p> Signup and view all the answers

    What is a hyperbolic function?

    <p>A function of the form y = a / x + q</p> Signup and view all the answers

    What is the purpose of finding the equation of a parabola from the graph?

    <p>To write the equation of the parabola in the form y = ax^2 + bx + c</p> Signup and view all the answers

    What is the effect of a negative value of a on the shape of a quadratic function?

    <p>It makes the graph open downwards</p> Signup and view all the answers

    What is the value of a^(1/n) when a > 0 and n ≥ 2?

    <p>√(a)</p> Signup and view all the answers

    What is the property of surds that states √(a) × √(b) = √(ab)?

    <p>Simplification of Surds</p> Signup and view all the answers

    What is the purpose of rationalising the denominator in a surd expression?

    <p>To eliminate the surd from the denominator</p> Signup and view all the answers

    What is the value of a^(-1/n) when a > 0 and n ≥ 2?

    <p>1/√(a)</p> Signup and view all the answers

    What is the value of a^(m/n) when a > 0, m ∈ ℤ, and n ∈ ℤ, n ≠ 0?

    <p>√(a^m)^(1/n)</p> Signup and view all the answers

    What is the property of rational exponents that states a^(m/n) = √(a^m)^(1/n)?

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

    What is the purpose of expressing surds in exponential notation?

    <p>To simplify the surd expression</p> Signup and view all the answers

    What is the value of a^(m/n) when a < 0, m ∈ ℤ, and n ∈ ℤ, n ≠ 0?

    <p>±√(a^m)^(1/n)</p> Signup and view all the answers

    What is the purpose of isolating the surd in surd equations?

    <p>To eliminate the surd</p> Signup and view all the answers

    What is the formula for exponential growth or decay?

    <p>P(t) = P_0 × (1 + r)^t</p> Signup and view all the answers

    What is the purpose of checking solutions in surd equations?

    <p>To eliminate extraneous solutions</p> Signup and view all the answers

    What is the formula for a^(-m)?

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

    What is the purpose of rationalizing the denominator?

    <p>To eliminate radicals from the denominator</p> Signup and view all the answers

    What is the formula for a^(m/n)?

    <p>√(a^m)</p> Signup and view all the answers

    What is the first step in solving quadratic surd equations?

    <p>Write in exponential notation</p> Signup and view all the answers

    What is the purpose of applying the exponent laws in surd equations?

    <p>To simplify the equation</p> Signup and view all the answers

    What is the formula for population growth?

    <p>P(t) = P_0 × (1 + r)^t</p> Signup and view all the answers

    What is the purpose of converting surds to exponential notation?

    <p>To make manipulation easier</p> Signup and view all the answers

    What is the first step in solving a quadratic equation using the completing the square method?

    <p>Write the equation in the standard form ax^2 + bx + c = 0</p> Signup and view all the answers

    What is the purpose of the quadratic formula?

    <p>To solve any quadratic equation of the form ax^2 + bx + c = 0</p> Signup and view all the answers

    What is the set of whole numbers represented by?

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

    What is the formula to find the final amount in an exponential growth or decay problem?

    <p>P = P_0 × (1 + r)^t</p> Signup and view all the answers

    What is the definition of a^m × a^n?

    <p>a^(m+n)</p> Signup and view all the answers

    What is the purpose of converting percentages into decimal form in exponential growth or decay problems?

    <p>To ensure the correct answer</p> Signup and view all the answers

    What is the formula to determine the roots of a quadratic equation?

    <p>x = -b ± √(b^2 - 4ac) / 2a</p> Signup and view all the answers

    What is the formula to find the square root of a?

    <p>a^(1/2)</p> Signup and view all the answers

    What type of roots does a quadratic equation have when b^2 - 4ac = 0?

    <p>One real root (a repeated root)</p> Signup and view all the answers

    What is the purpose of the discriminant in a quadratic equation?

    <p>To determine the number of solutions</p> Signup and view all the answers

    What is the formula to find the value of x in a quadratic equation using the quadratic formula?

    <p>x = (-b ± √(b^2 - 4ac)) / 2a</p> Signup and view all the answers

    What is the purpose of the discriminant in a quadratic equation?

    <p>To determine the type of roots of the equation</p> Signup and view all the answers

    What is the definition of a rational number?

    <p>A number that can be written as a fraction with an integer numerator and denominator</p> Signup and view all the answers

    What is the first step in solving a quadratic equation by substitution?

    <p>Identify the restrictions on the variables</p> Signup and view all the answers

    What happens when the discriminant is a perfect square?

    <p>The roots are rational</p> Signup and view all the answers

    What is the nature of the roots of a quadratic equation if the discriminant Δ is less than 0?

    <p>The roots are complex conjugate</p> Signup and view all the answers

    What is the formula for the discriminant Δ of a quadratic equation in standard form?

    <p>Δ = b^2 - 4ac</p> Signup and view all the answers

    When is the discriminant of a quadratic equation equal to zero?

    <p>When the equation has one real root (a repeated root)</p> Signup and view all the answers

    What is the last step in finding the quadratic equation given the roots?

    <p>Multiplying by constants (optional)</p> Signup and view all the answers

    What type of roots does a quadratic equation have when b^2 - 4ac > 0?

    <p>Two distinct real roots</p> Signup and view all the answers

    What is the nature of the roots of a quadratic equation if the discriminant Δ is equal to 0?

    <p>Real and equal</p> Signup and view all the answers

    What is the purpose of solving a quadratic inequality?

    <p>To identify the intervals where the quadratic function is positive or negative</p> Signup and view all the answers

    How do you determine the critical values in a quadratic inequality?

    <p>By solving the quadratic equation</p> Signup and view all the answers

    What is the purpose of the table of signs in solving a quadratic inequality?

    <p>To identify the intervals where the quadratic function is positive or negative</p> Signup and view all the answers

    What is the formula for the discriminant Δ of a quadratic equation in standard form?

    <p>b^2 - 4ac</p> Signup and view all the answers

    What type of roots does a quadratic equation have when b^2 - 4ac is greater than 0?

    <p>Real and unequal</p> Signup and view all the answers

    What is the graphical representation of a quadratic inequality?

    <p>A graph showing the regions where the quadratic function is positive or negative</p> Signup and view all the answers

    What is the purpose of sign analysis in solving quadratic inequalities?

    <p>To identify the intervals where the quadratic function is positive or negative</p> Signup and view all the answers

    What method is commonly used to solve systems of simultaneous equations with linear and non-linear equations?

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

    What is required to solve for the values of n unknown variables?

    <p>A system of n independent equations</p> Signup and view all the answers

    What is the first step in solving a system of linear equations using substitution?

    <p>Substitute the expression of one variable into the other equation</p> Signup and view all the answers

    What is the purpose of solving word problems in mathematics?

    <p>To model real-life situations</p> Signup and view all the answers

    What is the effect of a positive value of q on the graph of the parabolic function y = ax^2 + q?

    <p>The graph is shifted vertically upwards by q units</p> Signup and view all the answers

    What is the purpose of assigning variables to unknown quantities in word problems?

    <p>To translate the words into algebraic expressions</p> Signup and view all the answers

    What is the effect of a negative value of a on the graph of the parabolic function y = ax^2 + q?

    <p>The graph is a 'frown' and has a maximum turning point</p> Signup and view all the answers

    What is the purpose of checking the solution in word problems?

    <p>To ensure that the solution is correct and reasonable</p> Signup and view all the answers

    What is the effect of a positive value of p on the graph of the parabolic function y = a(x + p)^2 + q?

    <p>The graph is shifted horizontally to the right by p units</p> Signup and view all the answers

    What is the purpose of solving systems of linear equations?

    <p>To find the values of unknown variables</p> Signup and view all the answers

    What is the first step in solving a word problem?

    <p>Read the problem carefully and identify the question</p> Signup and view all the answers

    What is the purpose of solving quadratic equations?

    <p>To find the roots of the equation</p> Signup and view all the answers

    What is the effect of q on a quadratic function?

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

    What is the domain of a quadratic function?

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

    What is the formula for finding the y-intercept of a quadratic function?

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

    What is the turning point of the quadratic function f(x) = a(x + p)^2 + q?

    <p>(-p, q)</p> Signup and view all the answers

    What is the axis of symmetry of the quadratic function f(x) = a(x + p)^2 + q?

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

    How do you shift a quadratic function m units to the right?

    <p>Replace x with x - m.</p> Signup and view all the answers

    What is the formula for the average gradient of a curve between two points?

    <p>(y2 - y1) / (x2 - x1)</p> Signup and view all the answers

    What is the formula for the average gradient of a curve f(x) between points P(a, f(a)) and Q(a + h, f(a + h))?

    <p>[f(a + h) - f(a)] / h</p> Signup and view all the answers

    What is the name of the function of the form y = a/x + q?

    <p>Hyperbolic function.</p> Signup and view all the answers

    What is the purpose of the average gradient in a curve?

    <p>To find the gradient of the tangent to the curve.</p> Signup and view all the answers

    What is the effect of q on the graph of y = 1/x + q?

    <p>The graph is shifted vertically upwards by q units.</p> Signup and view all the answers

    What is the effect of a on the graph of y = a/x?

    <p>The graph is stretched vertically.</p> Signup and view all the answers

    What is the equation of the horizontal asymptote of y = a/(x + p) + q?

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

    What is the domain of y = a/(x + p) + q?

    <p>All real numbers except x = -p</p> Signup and view all the answers

    What is the effect of p on the graph of y = a/(x + p) + q?

    <p>The graph is shifted horizontally to the left by p units.</p> Signup and view all the answers

    What is the range of y = a/(x + p) + q?

    <p>All real numbers except y = q</p> Signup and view all the answers

    What is the equation of the vertical asymptote of y = a/(x + p) + q?

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

    What is the effect of q on the graph of y = ab^x + q?

    <p>The graph is shifted vertically upwards by q units.</p> Signup and view all the answers

    What is the effect of a on the graph of y = ab^x + q?

    <p>The graph is stretched vertically.</p> Signup and view all the answers

    What is the equation of the horizontal asymptote of y = ab^x + q?

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

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