Gr 11 Math June P1 (Hard)

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Questions and Answers

What is the value of $r$ in the equation $r^3 = 27$?

  • $\sqrt[3]{27}$
  • 9/3
  • 3 (correct)
  • 9

Simplify the expression $\sqrt[4]{16a^4b^4}$.

  • 2ab (correct)
  • 2a^2b^2
  • 4ab
  • 4a^2b^2

What is the value of $a$ in the equation $a^{-rac{1}{2}} = rac{1}{3}$?

  • 1/9
  • 3
  • 1/3
  • 9 (correct)

Rationalize the denominator of the expression $rac{1}{\sqrt{2} + 1}$.

<p>$rac{\sqrt{2} - 1}{1}$ (B)</p> Signup and view all the answers

Simplify the expression $rac{\sqrt{50}}{\sqrt{2}}$.

<p>5$\sqrt{2}$ (D)</p> Signup and view all the answers

What is the value of $\sqrt[3]{216}$?

<p>6 (C)</p> Signup and view all the answers

Simplify the expression $\sqrt[4]{a^4b^8}$.

<p>ab^2 (D)</p> Signup and view all the answers

Rationalize the denominator of the expression $rac{1}{\sqrt[3]{2} - 1}$.

<p>$rac{\sqrt[3]{2^2} + \sqrt[3]{2} + 1}{1}$ (B)</p> Signup and view all the answers

What is the value of $a$ in the equation $a^2 - 4a - 5 = 0$ using the quadratic formula?

<p>5 (A)</p> Signup and view all the answers

Which of the following is a rational exponent?

<p>$rac{1}{2}$ (D)</p> Signup and view all the answers

What is the final step in completing the square?

<p>Solving for $x$ (A)</p> Signup and view all the answers

What is the purpose of completing the square?

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

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

<p>$A = Pe^{rt}$ (A)</p> Signup and view all the answers

What is the value of $(a^{-2})^{-3}$?

<p>$a^{-6}$ (D)</p> Signup and view all the answers

Simplify the expression $\sqrt[3]{a^6}$:

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

What is the definition of $a^{-n}$?

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

What is the formula to solve quadratic equations?

<p>$x = -b \pm \sqrt{b^2 - 4ac}$ (A)</p> Signup and view all the answers

Solve the surd equation $\sqrt{x} = 2$:

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

What is $\sqrt[n]{a}$ equal to?

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

What is the formula for exponential growth or decay?

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

What is the rule for eliminating a surd from an equation?

<p>Raise both sides of the equation to the power corresponding to the root (A)</p> Signup and view all the answers

What is the purpose of converting percentages to decimals?

<p>To use the exponential growth or decay formula (D)</p> Signup and view all the answers

What is the final step in solving surd equations?

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

What is the method for solving quadratic equations with non-unitary leading coefficients?

<p>Completing the square (C)</p> Signup and view all the answers

What is the application of exponentials in finance?

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

What is the result of simplifying the expression $(a^2)^{-3/2}$?

<p>$a^{-3/2}$ (C)</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 formula for population growth?

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

What is the condition for a quadratic equation to have two distinct real roots?

<p>b^2 - 4ac &gt; 0 (D)</p> Signup and view all the answers

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

<p>To identify a common factor or repeated expression (C)</p> Signup and view all the answers

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

<p>x = -b / 2a ± √(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 condition for a quadratic equation to have exactly one real root?

<p>b^2 - 4ac = 0 (B)</p> Signup and view all the answers

What is the purpose of determining restrictions when solving quadratic equations by substitution?

<p>To ensure the expression is defined (A)</p> Signup and view all the answers

How can the quadratic equation be written given the roots?

<p>(x - r1)(x - r2) = 0 (C)</p> Signup and view all the answers

What is the nature of the roots when the discriminant is less than zero?

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

What is the purpose of verifying restrictions when solving quadratic equations by substitution?

<p>To ensure the expression is defined (D)</p> Signup and view all the answers

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

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

What is the formula to calculate the discriminant Δ of a quadratic equation?

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

What is the first step in solving a quadratic inequality?

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

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

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

What is the graphical representation of a quadratic inequality?

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

What is the purpose of solving simultaneous equations?

<p>To find the intersection of two lines (C)</p> Signup and view all the answers

What is the method of solving simultaneous equations that involves expressing one variable in terms of the other?

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

What is the minimum number of independent equations required to solve for n unknown variables?

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

What is the type of roots of a quadratic equation if the discriminant Δ is greater than 0 and is a perfect square?

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

What is the method of solving quadratic inequalities that involves analyzing the sign of each factor on intervals defined by the critical values?

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

What is the effect of changing the value of $a$ in the function $y = \frac{a}{x + p} + q$ on the shape of the graph?

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

What is the range of the function $y = ab^{(x+p)} + q$ if $a > 0$?

<p>{$y : y &gt; q, y \in \mathbb{R}$} (A)</p> Signup and view all the answers

What is the effect of changing the value of $p$ in the function $y = \frac{a}{x + p} + q$ on the graph?

<p>The graph is shifted horizontally. (A)</p> Signup and view all the answers

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

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

What is the vertical asymptote of the function $y = \frac{a}{x + p} + q$?

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

What is the domain of the function $y = ab^{(x+p)} + q$?

<p>{$x : x \in \mathbb{R}$} (C)</p> Signup and view all the answers

What is the effect of changing the value of $q$ in the function $y = ab^x + q$ on the graph?

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

What is the axes of symmetry of the function $y = \frac{a}{x + p} + q$?

<p>The axes of symmetry intersect at $(-p, q)$. (A)</p> Signup and view all the answers

What is the effect of changing the value of $a$ in the function $y = ab^x + q$ on the shape of the graph?

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

What is the y-intercept of the function $y = ab^{(x+p)} + q$?

<p>The y-intercept is at $(0, ab^p + q)$. (B)</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 determines the shape of the graph, whether it is a 'frown' or a 'smile'. (A)</p> Signup and view all the answers

What is the domain of a quadratic function?

<p>{x : x ∈ ℝ} (D)</p> Signup and view all the answers

What is the main purpose of solving a system of equations using substitution or elimination methods?

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

What is the main difference between solving systems of equations using substitution and elimination methods?

<p>The method of solving for the variables (A)</p> Signup and view all the answers

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

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

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

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

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

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

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

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

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

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

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

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

What is the main difference between a 'smile' and a 'frown' in a parabolic function of the form $y = ax^2 + q$?

<p>The direction of the opening (B)</p> Signup and view all the answers

What is the effect of a horizontal shift on a quadratic function?

<p>It shifts the graph horizontally. (D)</p> Signup and view all the answers

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

<p>It shifts the graph horizontally (C)</p> Signup and view all the answers

What is the formula to find the y-intercept of a quadratic function?

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

What is the purpose of checking the solution to a system of equations?

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

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

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

What is the main difference between solving a system of equations using graphical methods and algebraic methods?

<p>The method of solving for the variables (C)</p> Signup and view all the answers

What is the method to find the equation of a parabola from the graph?

<p>Use the coordinates of the turning point and another point. (A)</p> Signup and view all the answers

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

<p>To solve complex problems (D)</p> Signup and view all the answers

What is the value of $a$ in the equation $a^{rac{3}{2}} = 8$?

<p>16 (C)</p> Signup and view all the answers

Which of the following is equivalent to $\sqrt[3]{a^2b^3}$?

<p>$a^{rac{2}{3}}b^{rac{3}{3}}$ (A)</p> Signup and view all the answers

What is the value of $\sqrt[4]{625a^4}$, assuming $a > 0$?

<p>$5a$ (A)</p> Signup and view all the answers

Rationalize the denominator of the expression $rac{1}{\sqrt[3]{2} + 2}$.

<p>$rac{\sqrt[3]{2} + 2}{\sqrt[3]{2} - 2}$ (A)</p> Signup and view all the answers

What is the value of $(2a^2)^{rac{3}{2}}$?

<p>$2^{rac{3}{2}}a^3$ (A)</p> Signup and view all the answers

Simplify the expression $\sqrt[4]{a^4b^8}$, assuming $a > 0$ and $b > 0$.

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

Which of the following is a surd?

<p>$\sqrt{12}$ (B)</p> Signup and view all the answers

What is the value of $\sqrt[3]{216a^3}$, assuming $a > 0$?

<p>$6a$ (D)</p> Signup and view all the answers

What is the condition for a quadratic equation to have two distinct real roots?

<p>b^2 - 4ac &gt; 0 (B)</p> Signup and view all the answers

What is the purpose of identifying restrictions when solving quadratic equations by substitution?

<p>To ensure the values of the variables do not result in undefined expressions (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>Exactly one real root (a repeated root) (A)</p> Signup and view all the answers

What is the formula to calculate the discriminant Δ of a quadratic equation?

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

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

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

What is the method of solving quadratic equations that involves identifying a common factor or repeated expression?

<p>Solving by substitution (C)</p> Signup and view all the answers

What is the type of roots of a quadratic equation if the discriminant Δ is greater than 0 and is a perfect square?

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

What is the purpose of verifying restrictions when solving quadratic equations by substitution?

<p>To ensure the values of the variables do not result in undefined expressions (D)</p> Signup and view all the answers

What is the condition for a quadratic equation to have exactly one real root?

<p>b^2 - 4ac = 0 (C)</p> Signup and view all the answers

What is the method of solving quadratic equations that involves making a substitution for a repeated expression?

<p>Solving by substitution (D)</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 (A)</p> Signup and view all the answers

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

<p>To identify the intervals where the quadratic expression is positive or negative (C)</p> Signup and view all the answers

What is the method of solving simultaneous equations that involves expressing one variable in terms of the other?

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

What is the minimum number of independent equations required to solve for n unknown variables?

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

What is the purpose of rationalizing the denominator in an expression involving surds?

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

What is the difference between exponential growth and decay?

<p>Exponential growth refers to an increase in quantity, while exponential decay refers to a decrease (A)</p> Signup and view all the answers

What is the type of roots of a quadratic equation if the discriminant Δ is greater than 0 and is a perfect square?

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

What is the method of solving quadratic inequalities that involves analyzing the sign of each factor on intervals defined by the critical values?

<p>Table of signs method (D)</p> Signup and view all the answers

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

<p>$a^6$ (D)</p> Signup and view all the answers

What is the purpose of solving surd equations?

<p>To model real-world phenomena (B)</p> Signup and view all the answers

What is the purpose of solving simultaneous equations?

<p>To find the intersection of two lines (A)</p> Signup and view all the answers

What is the graphical representation of a quadratic inequality?

<p>A graph of a quadratic function (D)</p> Signup and view all the answers

What is the formula for the final amount in exponential growth or decay, given the initial amount, growth rate, and time period?

<p>$P(t) = P_0 * (1 + r)^t$ (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 result of simplifying the expression $a^{rac{3}{2}}$?

<p>$\sqrt{a^3}$ (C)</p> Signup and view all the answers

What is the purpose of converting percentages to decimals in exponential models?

<p>To simplify the model for easier manipulation (D)</p> Signup and view all the answers

What is the formula to calculate the discriminant Δ of a quadratic equation?

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

What is the condition for a quadratic equation to have exactly one real root?

<p>The discriminant is equal to zero (B)</p> Signup and view all the answers

What is the method of solving quadratic equations that involves expressing one variable in terms of the other?

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

What is the result of simplifying the expression $(a^3)^{rac{2}{3}}$?

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

What is the final amount of $1000 invested at a 5% annual growth rate for 3 years, compounded annually?

<p>1215.51 (D)</p> Signup and view all the answers

What is the solution to the equation x^2 + 5x - 6 = 0 using the quadratic formula?

<p>x = 2 or x = -3 (C)</p> Signup and view all the answers

What is the value of a in the equation (a^(-3))^2 = 1/64?

<p>2 (A)</p> Signup and view all the answers

What is the solution to the inequality x^2 - 4x - 5 > 0?

<p>x &lt; -1 or x &gt; 5 (A)</p> Signup and view all the answers

What is the value of x in the equation (2x)^3 = 64?

<p>2 (B)</p> Signup and view all the answers

What is the solution to the equation x^2 + 2x - 6 = 0 using completing the square?

<p>x = 2 or x = -3 (C)</p> Signup and view all the answers

What is the value of a in the equation a^(-2/3) = 1/4?

<p>16 (C)</p> Signup and view all the answers

What is the solution to the inequality x^2 + 2x - 3 > 0?

<p>x &lt; -3 or x &gt; 1 (B)</p> Signup and view all the answers

What is the final amount of $500 invested at a 10% annual growth rate for 5 years, compounded semiannually?

<p>831.19 (B)</p> Signup and view all the answers

What is the solution to the equation x^2 - 3x - 2 = 0 using the quadratic formula?

<p>x = 2 or x = -1 (D)</p> Signup and view all the answers

When solving a system of equations using substitution, what is the purpose of making one of the variables the subject of both equations?

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

What is the effect of $q > 0$ on the graph of $y = ax^2 + q$?

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

What is the purpose of problem-solving strategies in natural sciences and engineering disciplines?

<p>To model real-world problems and understand how the natural world works (D)</p> Signup and view all the answers

What is the effect of $a < 0$ on the shape of the graph of $y = ax^2 + q$?

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

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

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

What is the effect of $p > 0$ on the graph of $y = a(x + p)^2 + q$?

<p>The graph is shifted horizontally to the left by $p$ units (B)</p> Signup and view all the answers

What is the purpose of solving systems of equations graphically?

<p>To find the coordinates of the points where the two graphs intersect (C)</p> Signup and view all the answers

What is the purpose of checking the solution to ensure it is correct when solving a word problem?

<p>To ensure the solution is reasonable and accurate (A)</p> Signup and view all the answers

What is the effect of $a > 0$ on the shape of the graph of $y = ax^2 + q$?

<p>The graph is a 'smile' and has a minimum turning point (C)</p> Signup and view all the answers

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

<p>To write a set of equations that describe the problem mathematically (C)</p> Signup and view all the answers

For the function y = ab^x + q, what is the effect of increasing the value of q on the graph?

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

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

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

For the function y = a/(x + p) + q, what is the effect of increasing the value of a on the shape of the graph?

<p>The graph becomes further away from the horizontal asymptote. (C)</p> Signup and view all the answers

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

<p>{x : x ∈ ℝ}. (B)</p> Signup and view all the answers

For the function y = ab^x + q, what is the effect of increasing the value of b on the direction of the graph?

<p>The graph becomes an increasing function. (C)</p> Signup and view all the answers

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

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

For the function y = a/(x + p) + q, what is the effect of increasing the value of p on the graph?

<p>The graph is shifted horizontally to the left. (C)</p> Signup and view all the answers

What is the range of the function y = ab^x + q if a < 0?

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

For the function y = ab^x + q, what is the axes of symmetry?

<p>The lines x = -p and y = q. (B)</p> Signup and view all the answers

What is the effect of increasing the value of a on the y-intercept of the function y = ab^x + q?

<p>The y-intercept increases. (C)</p> Signup and view all the answers

What is the effect of changing the value of $a$ in the quadratic function $f(x) = a(x + p)^2 + q$ on the shape of the graph?

<p>It changes the shape of the graph, making it a 'smile' or a 'frown'. (D)</p> Signup and view all the answers

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

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

What is the formula to calculate the average gradient of a curve between two points $A(x_A, y_A)$ and $B(x_B, y_B)$?

<p>$\frac{y_A - y_B}{x_A - x_B}$ (D)</p> Signup and view all the answers

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

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

What is the effect of changing the value of $q$ in the hyperbolic function $y = \frac{a}{x} + q$ on the graph?

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

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

<p>{x : x ∈ ℝ} (A)</p> Signup and view all the answers

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

<p>{y : y ∈ ℝ} (C)</p> Signup and view all the answers

What is the formula to find the x-intercepts of a quadratic function $f(x) = a(x + p)^2 + q$?

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

What is the effect of shifting the quadratic function $f(x) = a(x + p)^2 + q$ horizontally by $m$ units?

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

What is the formula to find the average gradient of a curve between two points $P(a, f(a))$ and $Q(a + h, f(a + h))$?

<p>$\frac{f(a + h) - f(a)}{h}$ (D)</p> Signup and view all the answers

What is the value of $a$ in the equation $a^{rac{1}{2}} = 4^{rac{1}{3}}$?

<p>16 (B)</p> Signup and view all the answers

Solve the surd equation $\sqrt{x + 2} = 3$.

<p>7 (C)</p> Signup and view all the answers

If $a^2 + 4a - 5 = 0$, what is the value of $a$ using the quadratic formula?

<p>a = 1 or a = -5 (D)</p> Signup and view all the answers

What is the value of $P(t)$ in the exponential growth model $P(t) = P_0 imes (1 + r)^t$ when $P_0 = 1000$, $r = 0.05$, and $t = 5$?

<p>1276.78 (A)</p> Signup and view all the answers

What is the value of $(a^2)^{-3/2}$?

<p>$a^{-3/2}$ (B)</p> Signup and view all the answers

Simplify the expression $a^{rac{3}{2}} imes a^{rac{5}{2}}$.

<p>a^4 (C)</p> Signup and view all the answers

If $x^2 + 3x + 2 = 0$, what is the method to solve for $x$?

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

What is the value of $\sqrt[4]{a^4b^8}$?

<p>$a^2b^4$ (D)</p> Signup and view all the answers

What is the growth rate in the exponential growth model $P(t) = P_0 imes (1 + r)^t$ when $P_0 = 500$, $P(t) = 540$, and $t = 2$?

<p>0.05 (C)</p> Signup and view all the answers

What is the purpose of converting percentages to decimals in exponential growth or decay?

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

Solve the quadratic surd equation $x^2 + 4x + 4 = \sqrt{x + 2}$.

<p>2 (B)</p> Signup and view all the answers

What is the final amount in the exponential decay model $P(t) = P_0 imes (1 - r)^t$ when $P_0 = 1000$, $r = 0.03$, and $t = 10$?

<p>737.42 (C)</p> Signup and view all the answers

If $a^x = 27$, what is the value of $x$?

<p>3 (C)</p> Signup and view all the answers

Simplify the expression $\sqrt[3]{a^6 imes b^3}$.

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

What is the definition of $a^{-n}$?

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

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

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

What is the value of $a$ in the equation $a^{rac{2}{3}} = 2^{rac{1}{3}}$?

<p>16 (D)</p> Signup and view all the answers

What is the method to solve quadratic equations with non-unitary leading coefficients?

<p>Dividing by the coefficient of $x^2$ (C)</p> Signup and view all the answers

Solve the surd equation $\sqrt[3]{x - 2} = 2$.

<p>8 (A)</p> Signup and view all the answers

What is the purpose of completing the square?

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

What is the condition for a quadratic equation to have two complex conjugate roots?

<p>If Δ &lt; 0 (D)</p> Signup and view all the answers

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

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

What is the purpose of determining restrictions when solving quadratic equations by substitution?

<p>To ensure that the values for k do not result in undefined expressions (D)</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 method of solving quadratic equations by substitution?

<p>Identifying a common factor and substituting it with a simpler variable (B)</p> Signup and view all the answers

What is the formula to calculate the discriminant Δ of a quadratic equation?

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

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

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

What is the condition for a quadratic equation to have two distinct real roots?

<p>If Δ &gt; 0 (C)</p> Signup and view all the answers

What is the step in solving quadratic equations by substitution that involves solving the resulting simpler equation?

<p>Solving for k (D)</p> Signup and view all the answers

What is the purpose of verifying restrictions when solving quadratic equations by substitution?

<p>To ensure that the values for k do not result in undefined expressions (D)</p> Signup and view all the answers

What is the value of $a$ in the equation $a^{rac{2}{3}} = 4$?

<p>64 (B)</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 and is a perfect square?

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

Simplify the expression $\sqrt[3]{a^6b^9}$.

<p>$a^2b^3$ (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

Rationalize the denominator of the expression $rac{2}{\sqrt[3]{3} + 2}$.

<p>$rac{6 + 4\sqrt[3]{3} + 2\sqrt[3]{9}}{7}$ (B)</p> Signup and view all the answers

What is the value of $a$ in the equation $a^{-rac{1}{2}} = 2$?

<p>$rac{1}{4}$ (B)</p> Signup and view all the answers

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

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

Simplify the expression $\left(\sqrt[4]{a^2b^4} ight)^3$.

<p>$a^{rac{3}{2}}b^3$ (A)</p> Signup and view all the answers

What is the method of solving simultaneous equations that involves expressing one variable in terms of the other?

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

What is the minimum number of independent equations required to solve for n unknown variables?

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

What is the value of $\sqrt[4]{a^4b^4}$?

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

What is the type of roots of a quadratic equation if the discriminant Δ is greater than 0 and is not a perfect square?

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

Rationalize the denominator of the expression $rac{3}{\sqrt[5]{2} + 1}$.

<p>$rac{3\left(\sqrt[5]{2^4} - \sqrt[5]{2^3} + \sqrt[5]{2^2} - \sqrt[5]{2} + 1 ight)}{5}$ (C)</p> Signup and view all the answers

Simplify the expression $\sqrt[3]{a^3b^6}$.

<p>$a^2b^2$ (D)</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 (C)</p> Signup and view all the answers

What is the purpose of solving simultaneous equations?

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

What is the method of solving quadratic inequalities that involves analyzing the sign of each factor on intervals defined by the critical values?

<p>Sign analysis method (B)</p> Signup and view all the answers

What is the formula to calculate the discriminant Δ of a quadratic equation?

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

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

<p>To express one variable in terms of the other (B)</p> Signup and view all the answers

What is the effect of changing the value of $a$ in the function $y = ax^2 + q$ on the shape of the graph?

<p>It changes the width of the graph (C)</p> Signup and view all the answers

What is the purpose of solving simultaneous equations?

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

What is the minimum number of independent equations required to solve for $n$ unknown variables?

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

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

<p>It changes the horizontal shift of the graph (A)</p> Signup and view all the answers

What is the purpose of solving word problems?

<p>To model real-world problems (A)</p> Signup and view all the answers

What is the result of solving a system of equations using the elimination method?

<p>A system of equations with reduced variables (A)</p> Signup and view all the answers

What is the purpose of using a problem-solving strategy in solving word problems?

<p>To break down the problem into manageable steps (C)</p> Signup and view all the answers

What is the effect of changing the value of $q$ in the function $y = ax^2 + q$ on the graph?

<p>It changes the vertical shift of the graph (C)</p> Signup and view all the answers

What is the purpose of identifying the question and determining what needs to be solved in a word problem?

<p>To understand the problem and determine the solution (D)</p> Signup and view all the answers

What is the effect of a change in $p$ on the graph of $y = \frac{a}{x + p} + q$?

<p>The graph is shifted horizontally by $p$ units. (B)</p> Signup and view all the answers

What is the range of the function $y = ab^{(x+p)} + q$ if $a < 0$?

<p>${y : y &lt; q, y \in \mathbb{R}}$ (B)</p> Signup and view all the answers

What is the intersection point of the axes of symmetry of the hyperbola $y = \frac{a}{x + p} + q$?

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

What is the effect of $a$ on the shape of the graph of $y = \frac{a}{x + p} + q$?

<p>The graph is reflected about the horizontal asymptote if $a &lt; 0$. (D)</p> Signup and view all the answers

What is the horizontal asymptote of the function $y = ab^{(x+p)} + q$?

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

What is the vertical asymptote of the function $y = \frac{a}{x + p} + q$?

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

What is the domain of the function $y = ab^{(x+p)} + q$?

<p>${x : x \in \mathbb{R}}$ (C)</p> Signup and view all the answers

What is the effect of $q$ on the graph of $y = \frac{a}{x + p} + q$?

<p>The graph is shifted vertically by $q$ units. (A)</p> Signup and view all the answers

What is the effect of the value of q on the graph of the function f(x) = ax^2 + q?

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

What is the characteristic of the graph of $y = \frac{a}{x + p} + q$ if $a > 0$?

<p>The graph is increasing. (B)</p> Signup and view all the answers

What is the effect of a change in $a$ on the graph of $y = ab^{(x+p)} + q$?

<p>The graph is reflected about the horizontal asymptote if $a &lt; 0$. (A)</p> Signup and view all the answers

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

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

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

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

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

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

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

<p>The graph is a 'smile' and has a minimum turning point. (D)</p> Signup and view all the answers

What is the formula to find the x-intercept(s) of the function f(x) = a(x + p)^2 + q?

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

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

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

What is the effect of a horizontal shift of m units to the right on the function f(x) = a(x + p)^2 + q?

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

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

<p>{x : x ∈ ℝ} (C)</p> Signup and view all the answers

What is the effect of a vertical shift of n units upwards on the function f(x) = a(x + p)^2 + q?

<p>Replace y with y + n. (D)</p> Signup and view all the answers

What is the value of $a$ in the equation $a^{rac{-2}{3}} = rac{1}{8}$?

<p>8 (B)</p> Signup and view all the answers

Simplify the expression $\sqrt[3]{a^6b^9}$

<p>ab^3 (B)</p> Signup and view all the answers

What is the value of $\sqrt[4]{81a^4}$?

<p>3a (A)</p> Signup and view all the answers

Rationalize the denominator of the expression $rac{2}{\sqrt[3]{3} + 2}$

<p>$rac{6 + 4\sqrt[3]{3}}{7}$ (B)</p> Signup and view all the answers

What is the value of $a$ in the equation $a^{rac{3}{4}} = \sqrt{8}$?

<p>16 (D)</p> Signup and view all the answers

Simplify the expression $\sqrt[5]{a^5b^5}$

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

What is the value of $\sqrt[6]{a^9b^{12}}$?

<p>$a^{rac{3}{2}}b^2$ (C)</p> Signup and view all the answers

Rationalize the denominator of the expression $rac{3}{\sqrt[5]{a} + 2}$

<p>$rac{3(\sqrt[5]{a^4} - 2\sqrt[5]{a^3} + 4\sqrt[5]{a^2} - 8\sqrt[5]{a})}{21}$ (B)</p> Signup and view all the answers

What is the value of x in the equation x^2 + 5x + 6 = 0 when solved using the quadratic formula?

<p>1 (C), -3 (D)</p> Signup and view all the answers

What is the value of a in the equation a^(-1/2) = 1/3?

<p>1/9 (A)</p> Signup and view all the answers

What is the method used to solve the equation x^2 + 4x + 4 = 0?

<p>Completing the square (D)</p> Signup and view all the answers

What is the value of x in the equation x^2 - 4x - 5 = 0 when solved using the quadratic formula?

<p>-1 (A), 1 (B)</p> Signup and view all the answers

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

<p>A = P(1 + r/n)^(nt) (D)</p> Signup and view all the answers

What is the purpose of converting percentages to decimals in exponential growth or decay?

<p>To make calculations easier (B)</p> Signup and view all the answers

What is the value of √(25/4) in simplest form?

<p>5/2 (B)</p> Signup and view all the answers

What is the method used to solve the equation x^2 - 2x - 3 = 0?

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

What is the value of a^(-m/n) in simplest form?

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

What is the purpose of using the quadratic formula?

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

What is the condition for a quadratic equation to have two complex conjugate roots?

<p>b^2 - 4ac &lt; 0 (C)</p> Signup and view all the answers

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

<p>To simplify the process by identifying a common factor or repeated expression (D)</p> Signup and view all the answers

What is the formula to calculate the discriminant Δ of a quadratic equation?

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

What is the type of roots of a quadratic equation if the discriminant Δ is greater than 0 and is a perfect square?

<p>Rational roots (D)</p> Signup and view all the answers

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

<p>Expanding the brackets to get the quadratic equation in the standard form (D)</p> Signup and view all the answers

What is the purpose of determining restrictions when solving quadratic equations by substitution?

<p>To ensure that the values of the variable do not result in undefined expressions (A)</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 roots (A)</p> Signup and view all the answers

What is the purpose of verifying restrictions when solving quadratic equations by substitution?

<p>To ensure that the solutions do not result in undefined expressions (C)</p> Signup and view all the answers

How can the quadratic equation be written given the roots?

<p>By writing down the equation as the product of two factors (A)</p> Signup and view all the answers

What is the condition for a quadratic equation to have exactly one real root?

<p>b^2 - 4ac = 0 (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 (B)</p> Signup and view all the answers

What is the method of solving quadratic inequalities that involves analyzing the sign of each factor on intervals defined by the critical values?

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

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

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

What is the type of roots of a quadratic equation if the discriminant Δ is greater than 0 and is a perfect square?

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

What is the graphical representation of a quadratic inequality?

<p>A graph that lies above or below the x-axis (A)</p> Signup and view all the answers

What is the method of solving simultaneous equations that involves expressing one variable in terms of the other?

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

What is the minimum number of independent equations required to solve for n unknown variables?

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

What is the purpose of solving simultaneous equations?

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

What is the formula to calculate the discriminant Δ of a quadratic equation?

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

What is the result of simplifying the expression $(a^2b^3)^{-rac{2}{3}}$?

<p>$a^{-rac{4}{3}}b^{-2}$ (C)</p> Signup and view all the answers

Which of the following is a correct step in solving the surd equation $\sqrt{x+2} = 3$?

<p>Square both sides of the equation to eliminate the surd. (D)</p> Signup and view all the answers

What is the growth rate of a population that doubles in size every 5 years?

<p>100% per 5 years (B)</p> Signup and view all the answers

What is the result of simplifying the expression $a^{2/3} imes a^{1/2}$?

<p>$a^{7/6}$ (D)</p> Signup and view all the answers

What is the application of exponentials in population growth models?

<p>To model the increase in population over time (B)</p> Signup and view all the answers

What is the result of solving the surd equation $\sqrt[3]{x^2} = 2$?

<p>16 (D)</p> Signup and view all the answers

What is the formula for the final amount in exponential growth or decay?

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

What is the purpose of checking the solution in solving surd equations?

<p>To verify that the solution is correct and not extraneous (C)</p> Signup and view all the answers

What is the result of simplifying the expression $\sqrt[4]{a^8b^{12}}$?

<p>$a^2b^3$ (D)</p> Signup and view all the answers

What is the condition for a quadratic equation to have two distinct real roots?

<p>The discriminant is greater than 0 (B)</p> Signup and view all the answers

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

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

What is the range of the function y = a/(x+p) + q if a < 0?

<p>All real numbers less than q (A)</p> Signup and view all the answers

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

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

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

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

What is the horizontal asymptote of the function y = ab^(x+p) + q?

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

What is the effect of changing the value of a in the function y = ab^(x+p) + q on the shape of the graph?

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

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

<p>x = -p, y = q (A)</p> Signup and view all the answers

What is the effect of changing the value of b in the function y = ab^(x+p) + q on the direction of the graph?

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

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

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

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

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

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

<p>Add or subtract the equations to eliminate one variable. (C)</p> Signup and view all the answers

What is the purpose of problem-solving strategies in natural sciences and engineering disciplines?

<p>To develop mathematical models that describe real-life contexts. (A)</p> Signup and view all the answers

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

<p>The graph is shifted vertically downwards by $q$ units. (A)</p> Signup and view all the answers

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

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

What is the purpose of writing a set of equations that describe the problem mathematically when solving word problems?

<p>To model the real-life context using algebraic expressions. (B)</p> Signup and view all the answers

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

<p>The graph becomes narrower. (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>Use the solution to substitute back into the first equation to find the value of the other unknown variable. (B)</p> Signup and view all the answers

What is the purpose of translating the words into algebraic expressions when solving word problems?

<p>To model the real-life context using algebraic expressions. (B)</p> Signup and view all the answers

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

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

What is the purpose of solving systems of linear equations in real-life contexts?

<p>To describe the relationships between different quantities in a real-life context. (A)</p> Signup and view all the answers

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

<p>The graph is shifted vertically by $q$ units. (D)</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 domain of a quadratic function?

<p>{x : x ∈ ℝ} (C)</p> Signup and view all the answers

What is the range of the quadratic function $f(x) = a(x+p)^2 + q$ if $a > 0$?

<p>{y : y ∈ ℝ, y ≥ 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 (B)</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 (C)</p> Signup and view all the answers

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

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

What is the effect of a horizontal shift on the graph of a quadratic function?

<p>The graph is shifted horizontally by the shift value (C)</p> Signup and view all the answers

What is the formula for the equation of a parabola from the graph?

<p>y = a(x - x1)(x - x2) (A)</p> Signup and view all the answers

What is the characteristic of the graph of a hyperbolic function?

<p>The graph has a horizontal asymptote (A)</p> Signup and view all the answers

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