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

What is a surd?

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

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

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

What is the purpose of rationalising the denominator?

<p>To eliminate the surd from the denominator (A)</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 (C)</p> Signup and view all the answers

What is the formula for exponential growth or decay?

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

What is the purpose of rationalizing denominators?

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

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

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

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

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

What is the first step in solving surd equations?

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

What is the set of natural numbers represented by?

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

What is the purpose of converting surds to exponential notation?

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

What is the formula for exponential growth or decay?

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

What is the formula for population growth?

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

What is the purpose of completing the square?

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

What is the purpose of checking solutions in surd equations?

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

What is the formula for compound interest?

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

What is the quadratic formula used for?

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

What is the formula for the quadratic formula?

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

What is the definition of a^0?

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

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

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

What is the definition of √(a)?

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

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

<p>Identify restrictions (D)</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 (B)</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 (C)</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 (B)</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 (B)</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 (C)</p> Signup and view all the answers

What happens when the discriminant is a perfect square?

<p>The roots are rational (A)</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 (B)</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 (D)</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 (D)</p> Signup and view all the answers

What is the first step in solving a quadratic inequality?

<p>Write the quadratic in standard form (B)</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 (C)</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 (B)</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 (C)</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 (B)</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 (D)</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 (A)</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 (B)</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. (D)</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. (A)</p> Signup and view all the answers

What is the final step in solving word problems?

<p>Write the final answer. (D)</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. (A)</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'. (B)</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. (D)</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. (A)</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. (D)</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. (A)</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. (D)</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 (A)</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 (A)</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 (B)</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) (D)</p> Signup and view all the answers

What is the general form of a hyperbolic function?

<p>y = a/x + q (C)</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 (B)</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 (D)</p> Signup and view all the answers

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

<p>Set x = 0 (A)</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) (D)</p> Signup and view all the answers

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

<p>All real numbers (A)</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. (D)</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. (C)</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 (A)</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. (D)</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 (C)</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. (C)</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. (C)</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 (A)</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. (C)</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) (B)</p> Signup and view all the answers

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

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

What is the purpose of rationalising the denominator?

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

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

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

What is the definition of a surd?

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

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

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

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

<p>1 (C)</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 (A)</p> Signup and view all the answers

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

<p>Real numbers (C)</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 (A)</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 (B)</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 (B)</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 (B)</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 (A)</p> Signup and view all the answers

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

<p>1 (C)</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 (D)</p> Signup and view all the answers

What is the discriminant of a quadratic equation?

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

What happens when the discriminant is a perfect square?

<p>The roots are rational (A)</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 (C)</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 (A)</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 (A)</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 (C)</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 (B)</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 (A)</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 (D)</p> Signup and view all the answers

What is the formula for exponential growth or decay?

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

What is the purpose of converting surds to exponential notation?

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

What is the definition of a^0?

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

What is the purpose of checking solutions in surd equations?

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

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

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

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

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

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

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

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

<p>To make manipulation easier (D)</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 (D)</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 (C)</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 (C)</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 (A)</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 (B)</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 (A)</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 (C)</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 (B)</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 (D)</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 (C)</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 (D)</p> Signup and view all the answers

What is the purpose of solving simultaneous linear equations?

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

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

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

What is the first step in solving a word problem?

<p>Read the problem carefully (A)</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 (D)</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 (D)</p> Signup and view all the answers

What is the purpose of solving systems of equations?

<p>To find the values of variables (D)</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 (C)</p> Signup and view all the answers

What is the purpose of substitution in solving quadratic equations?

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

What is the purpose of elimination in solving quadratic equations?

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

What is the purpose of solving quadratic equations?

<p>To find the values of variables (C)</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 (B)</p> Signup and view all the answers

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

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

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

<p>Set x = 0 (C)</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) (C)</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 (C)</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 (A)</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) (D)</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 (D)</p> Signup and view all the answers

What is the general form of a hyperbolic function?

<p>y = a/x + q (D)</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 (A)</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 (C)</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 (B)</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 (C)</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 (B)</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 (D)</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 (C)</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 (D)</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 (C)</p> Signup and view all the answers

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

<p>All real numbers (C)</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 (D)</p> Signup and view all the answers

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

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

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

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

What is the purpose of rationalising the denominator?

<p>To eliminate the surd from the denominator (B)</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 (D)</p> Signup and view all the answers

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

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

What is the definition of a surd?

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

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

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

What is the formula for exponential growth or decay?

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

What is the definition of a^0?

<p>a^0 = 1, for a ≠ 0 (C)</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 (D)</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 (A)</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 (A)</p> Signup and view all the answers

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

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

What is the formula for population growth?

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

What is the set of real numbers represented by?

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

What is the purpose of the quadratic formula?

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

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

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

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

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

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

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

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

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

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

<p>To simplify the expression (C)</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 (D)</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 (C)</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 (D)</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 (B)</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 (D)</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 (C)</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 (D)</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 (A)</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 (D)</p> Signup and view all the answers

What is the first step in solving a quadratic inequality?

<p>Write the quadratic in standard form (D)</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 (D)</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 (B)</p> Signup and view all the answers

What is the graphical representation of a quadratic inequality?

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

What is the purpose of solving simultaneous linear equations?

<p>To determine the point of intersection (D)</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 (D)</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 (C)</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 (A)</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 (A)</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 (B)</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 (B)</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 (D)</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 (D)</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 (B)</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 (B)</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 (A)</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 (B)</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 (A)</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 (A)</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 (C)</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 (B)</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 (A)</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 (A)</p> Signup and view all the answers

What is the first step in solving a word problem?

<p>Read the problem carefully (C)</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 (B)</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 (C)</p> Signup and view all the answers

What is the domain of a quadratic function?

<p>All real numbers (B)</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) (A)</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 (D)</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 (C)</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 (D)</p> Signup and view all the answers

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

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

What is a hyperbolic function?

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

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

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

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

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

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

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

What is the purpose of expressing surds in exponential notation?

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

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

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

What is the formula for exponential growth or decay?

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

What is the purpose of checking solutions in surd equations?

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

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

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

What is the purpose of rationalizing the denominator?

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

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

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

What is the first step in solving quadratic surd equations?

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

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

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

What is the formula for population growth?

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

What is the purpose of converting surds to exponential notation?

<p>To make manipulation easier (C)</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 (C)</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 (A)</p> Signup and view all the answers

What is the set of whole numbers represented by?

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

What is the definition of a^m × a^n?

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

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

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

What happens when the discriminant is a perfect square?

<p>The roots are rational (D)</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 (D)</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 (A)</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) (D)</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) (B)</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 (C)</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 (D)</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 (D)</p> Signup and view all the answers

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

<p>By solving the quadratic equation (B)</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 (B)</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 (A)</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 (A)</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 (B)</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 (A)</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 (B)</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 (A)</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 (D)</p> Signup and view all the answers

What is the purpose of solving word problems in mathematics?

<p>To model real-life situations (C)</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 (A)</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 (A)</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 (B)</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 (B)</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 (A)</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 (C)</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 (A)</p> Signup and view all the answers

What is the purpose of solving quadratic equations?

<p>To find the roots of the equation (D)</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. (D)</p> Signup and view all the answers

What is the domain of a quadratic function?

<p>All real numbers. (A)</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. (B)</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) (B)</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. (D)</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. (D)</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) (D)</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 (A)</p> Signup and view all the answers

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

<p>Hyperbolic function. (C)</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. (B)</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. (A)</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. (B)</p> Signup and view all the answers

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

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

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

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

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

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

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

<p>x = -p (D)</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. (C)</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. (B)</p> Signup and view all the answers

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

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

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