Gr 11 Math June P1 (Hard)
312 Questions
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Gr 11 Math June P1 (Hard)

Created by
@GreatestTiger

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

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

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

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

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

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

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

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

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

    Which of the following is a rational exponent?

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

    What is the final step in completing the square?

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

    What is the purpose of completing the square?

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

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

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

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

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

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

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

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

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

    What is the formula to solve quadratic equations?

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

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

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

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

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

    What is the formula for exponential growth or decay?

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

    What is the final step in solving surd equations?

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

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

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

    What is the application of exponentials in finance?

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

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

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

    What is the first step in solving surd equations?

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

    What is the formula for population growth?

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

    What is the discriminant of a quadratic equation?

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

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

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

    How can the quadratic equation be written given the roots?

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

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

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

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

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

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

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

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

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

    What is the first step in solving a quadratic inequality?

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

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

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

    What is the graphical representation of a quadratic inequality?

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

    What is the purpose of solving simultaneous equations?

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

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

    <p>n</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</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</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.</p> Signup and view all the answers

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

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

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

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

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

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

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

    <p>{$x : x \in \mathbb{R}$}</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.</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 $(-p, q)$.</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.</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 $(0, ab^p + q)$.</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'.</p> Signup and view all the answers

    What is the domain of a quadratic function?

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

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

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

    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</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.</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</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.</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</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}</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</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.</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</p> Signup and view all the answers

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

    <p>16</p> Signup and view all the answers

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

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

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

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

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

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

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

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

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

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

    Which of the following is a surd?

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

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

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

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

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

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

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

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

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

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

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

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

    <p>n</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</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</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</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</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>$a^6$</p> Signup and view all the answers

    What is the purpose of solving surd equations?

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

    What is the purpose of solving simultaneous equations?

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

    What is the graphical representation of a quadratic inequality?

    <p>A graph of a quadratic function</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>$P(t) = P_0 * (1 + r)^t$</p> Signup and view all the answers

    What is the first step in solving a quadratic inequality?

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

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

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

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

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

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

    <p>2</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</p> Signup and view all the answers

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

    <p>2</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</p> Signup and view all the answers

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

    <p>16</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</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</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</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</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</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</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</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</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</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</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</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</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</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.</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.</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.</p> Signup and view all the answers

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

    <p>{x : x ∈ ℝ}.</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.</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.</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.</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}.</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.</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.</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'.</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 $x = -p$.</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>$\frac{y_A - y_B}{x_A - x_B}$</p> Signup and view all the answers

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

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

    What is the 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.</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}</p> Signup and view all the answers

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

    <p>{y : y ∈ ℝ}</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.</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.</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>$\frac{f(a + h) - f(a)}{h}$</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</p> Signup and view all the answers

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

    <p>7</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</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</p> Signup and view all the answers

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

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

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

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

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

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

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

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

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

    <p>2</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</p> Signup and view all the answers

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

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

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

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

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

    <p>$1/a^n$</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)</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</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 $x^2$</p> Signup and view all the answers

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

    <p>8</p> Signup and view all the answers

    What is the purpose of completing the square?

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

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

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

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

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

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

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

    What is the method of solving quadratic equations by substitution?

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

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

    <p>64</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</p> Signup and view all the answers

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

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

    What is the first step in solving a quadratic inequality?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    What is the graphical representation of a quadratic inequality?

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

    What is the purpose of solving simultaneous equations?

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

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

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

    What is the purpose of solving simultaneous equations?

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

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

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

    What is the purpose of solving word problems?

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

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

    <p>${y : y &lt; q, y \in \mathbb{R}}$</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>($-p, q$)</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 $a &lt; 0$.</p> Signup and view all the answers

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

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

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

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

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

    <p>${x : x \in \mathbb{R}}$</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.</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.</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.</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 $a &lt; 0$.</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}</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)</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</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.</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.</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)</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.</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}</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.</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</p> Signup and view all the answers

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

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

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

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

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

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

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

    <p>16</p> Signup and view all the answers

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    What is the purpose of using the quadratic formula?

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

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

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

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

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

    What is the first step in solving a quadratic inequality?

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

    What is the graphical representation of a quadratic inequality?

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

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

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

    What is the purpose of solving simultaneous equations?

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

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

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

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

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

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

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

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

    <p>16</p> Signup and view all the answers

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

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

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

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

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

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

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

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

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

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

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

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

    What is the domain of a quadratic function?

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

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

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

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

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

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

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

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