Gr 10 Math Ch 5 SUM: Functions
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Questions and Answers

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

  • The slope of the graph (correct)
  • The constant value of c
  • The x-intercept
  • The y-intercept

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

  • It shifts the graph horizontally.
  • It affects where the graph cuts the y-axis. (correct)
  • It has no effect on the graph.
  • It determines the slope of the line.

If the value of 'm' is negative, which of the following is true about the graph?

  • The graph slopes downwards from left to right. (correct)
  • The graph is horizontal.
  • The graph slopes upwards from left to right.
  • The graph cannot have a negative slope.

What values can the range of the function f(x) = mx + c take?

<p>Any real number (B)</p> Signup and view all the answers

If 'c' is greater than zero, how does it affect the position of the graph?

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

What is the equation used to calculate the x-intercept of a linear function?

<p>Let y = 0 (B)</p> Signup and view all the answers

Which statement accurately describes the domain of the function f(x) = mx + c?

<p>The domain consists of all real numbers. (B)</p> Signup and view all the answers

In the context of straight-line functions, what happens when 'm' equals zero?

<p>The line is horizontal. (D)</p> Signup and view all the answers

What characterizes the graph of the function when the value of b is greater than 1?

<p>It represents exponential growth. (C)</p> Signup and view all the answers

In the function of the form $y = a an \theta + q$, how does the value of a affect the graph?

<p>It changes the steepness of the graph branches. (A)</p> Signup and view all the answers

Which point is identified as the minimum turning point in the sine function?

<p>(270°, -1) (D)</p> Signup and view all the answers

What is the range of the function $y = a ext{sin} \theta + q$ when $a > 0$?

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

Which of the following statements about the cosine function is true?

<p>The graph has a maximum turning point at (360°, 1). (B)</p> Signup and view all the answers

What is the primary effect of the parameter q in the function $y = a ext{cos} \theta + q$?

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

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

<p>180° (B)</p> Signup and view all the answers

In the function $y = ab^x + q$, what does the sign of a determine?

<p>If the graph curves upwards or downwards. (C)</p> Signup and view all the answers

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

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

Where are the asymptotes for the function $y = an \theta$ located?

<p>At 90° and 270°. (D)</p> Signup and view all the answers

If $a < 0$ in a hyperbolic function, in which quadrants does the graph lie?

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

What happens to the graph of an exponential function when $q < 0$?

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

Which type of asymptote is found in the hyperbolic function $y = \frac{a}{x} + q$?

<p>Both vertical and horizontal asymptotes (C)</p> Signup and view all the answers

For the exponential function $y = ab^x + q$, if $a > 0$ and $b > 1$, what can be said about the behavior of the graph?

<p>The graph curves upwards (A)</p> Signup and view all the answers

What do you need to determine first when sketching the graph of the form $y = mx + c$?

<p>sign of m (D)</p> Signup and view all the answers

What characteristic feature is associated with the y-intercept of the hyperbolic function $y = \frac{a}{x} + q$?

<p>It does not exist (D)</p> Signup and view all the answers

In the equation $y = ax^2 + q$, what does the parameter $q$ represent?

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

How is the horizontal asymptote of an exponential function described?

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

How does the gradient $m$ affect the graph of $y = mx + c$?

<p>It measures the relationship between x and y. (A)</p> Signup and view all the answers

What does the variable $q$ represent in the context of hyperbolic functions?

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

What happens to the parabola when $a < 0$ in the equation $y = ax^2 + q$?

<p>It has a maximum turning point. (C)</p> Signup and view all the answers

In which case does the graph of a hyperbolic function intersect the x-axis?

<p>When $y = 0$ (A)</p> Signup and view all the answers

If $a = 2$ in the function $y = ax^2 + q$, which statement is true regarding the shape of the parabola?

<p>It is narrower than when $a = 1$. (C)</p> Signup and view all the answers

What feature distinguishes the axes of symmetry of hyperbolic functions?

<p>They include $y = x + q$ and $y = -x + q$ (B)</p> Signup and view all the answers

What is the range of the function $y = ax^2 + q$ when $a > 0$?

<p>[q; ∞) (C)</p> Signup and view all the answers

To find the x-intercept of a parabola described by $y = ax^2 + q$, you need to:

<p>Set y = 0. (C)</p> Signup and view all the answers

What is the axiom of symmetry for parabolas represented by $f(x) = ax^2 + q$?

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

If $q < 0$ in the equation $y = ax^2 + q$, what does this indicate about the graph?

<p>The graph is at or below the x-axis. (A)</p> Signup and view all the answers

What does the coefficient $ a $ in the equation of a parabola determine?

<p>The direction and width of the parabola (C)</p> Signup and view all the answers

How can you determine the value of $ q $ for a hyperbola given its equation?

<p>By observing the vertical shift in its graph (C)</p> Signup and view all the answers

To find the points of intersection between two graphs, what mathematical method should be applied?

<p>Equating their expressions (C)</p> Signup and view all the answers

In the equation of sine and cosine functions, how does the value of $ a $ affect the graph?

<p>It affects the amplitude and reflection (D)</p> Signup and view all the answers

What is the primary method for calculating the y-intercept of a graph?

<p>Setting $ x = 0 $ (B)</p> Signup and view all the answers

Which of the following statements about the equation of a hyperbola is true?

<p>$ a $ influences the direction and shape of the hyperbola (A)</p> Signup and view all the answers

What role do asymptotes play in hyperbolas?

<p>They indicate where the function becomes undefined (A)</p> Signup and view all the answers

What does the distance formula primarily calculate between two points?

<p>The straight line distance between the points (A)</p> Signup and view all the answers

Which step is NOT involved when solving for $ a $ and $ q $ from given points in a trigonometric function?

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

What effect does the parameter 'b' have in the function of the form $y = ab^x + q$ when $b > 1$?

<p>The function represents exponential growth. (D)</p> Signup and view all the answers

In a sine function described by $y = a ext{sin} heta + q$, what is the effect of $q$ when $q < 0$?

<p>The graph shifts down by $|q|$ units. (A)</p> Signup and view all the answers

What happens to the period of the cosine function when represented in the form $y = rac{1}{2} ext{cos} heta + 1$?

<p>The period remains at 360°. (D)</p> Signup and view all the answers

What is indicated by the x-intercepts of the function $y = an heta$?

<p>The x-intercepts occur at every integer multiple of 180°. (C)</p> Signup and view all the answers

For the function $y = a ext{cos} heta + q$, what is the condition for vertical compression?

<p>|a| &lt; 1. (B)</p> Signup and view all the answers

Which of the following describes the maximum turning point of the sine function $y = ext{sin} heta$?

<p>Occurs at (90°, 1) (B)</p> Signup and view all the answers

What is the primary characteristic of the tangent function's graph?

<p>It has vertical asymptotes at 90° and 270°. (D)</p> Signup and view all the answers

What does the parameter 'a' influence in the function form $y = a ext{tan} heta + q$?

<p>It affects the steepness of the branches. (A)</p> Signup and view all the answers

How does the sign of 'a' in the equation $y = ax^2 + q$ affect the parabola's orientation?

<p>It determines if the parabola opens upwards or downwards. (C)</p> Signup and view all the answers

What describes the domain of the hyperbolic function of the form $y = \frac{a}{x} + q$?

<p>All real numbers except zero (B)</p> Signup and view all the answers

Which of the following correctly describes the y-intercept of the hyperbolic function $y = \frac{a}{x} + q$?

<p>It does not exist (D)</p> Signup and view all the answers

What is the effect of the parameter 'm' when it is equal to zero in the function y = mx + c?

<p>The graph will be a horizontal line. (C)</p> Signup and view all the answers

If $a > 0$ in the exponential function $y = ab^x + q$, what can be inferred about the graph's behavior?

<p>The graph will curve upwards. (D)</p> Signup and view all the answers

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

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

How does the y-intercept behave when 'c' is less than zero in the equation y = mx + c?

<p>The graph shifts vertically downwards. (A)</p> Signup and view all the answers

When the value of 'm' is positive, what can be said about the direction of the graph?

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

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

<p>It is undefined for values equal to $q$. (B)</p> Signup and view all the answers

Considering the characteristics of the function f(x) = mx + c, what does the domain represent?

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

Which of the following statements is true regarding the asymptotes of the hyperbolic function?

<p>The horizontal asymptote is at $y = q$. (C)</p> Signup and view all the answers

If $a < 0$ in the hyperbolic function $y = \frac{a}{x} + q$, in which quadrants will the graph primarily lie?

<p>Second and fourth quadrants (B)</p> Signup and view all the answers

What happens to the line represented by y = mx + c if the value of 'm' decreases from a positive to a negative value?

<p>The slope changes from upward to downward. (A)</p> Signup and view all the answers

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

<p>Calculated by setting y to 0. (B)</p> Signup and view all the answers

If c = 0 in the equation y = mx + c, what can be inferred about the graph?

<p>The graph is the x-axis. (C)</p> Signup and view all the answers

What is true about the x-intercept of the function y = mx + c?

<p>It is calculated by letting y = 0. (A)</p> Signup and view all the answers

For exponential functions with the form $y = ab^x + q$, when $q < 0$, how is the graph's horizontal asymptote affected?

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

Which axis serves as the line of symmetry for the hyperbolic function $y = \frac{a}{x} + q$?

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

What effect does a larger value of 'm' have on the gradient of the linear function?

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

How can the x-intercept of the function in the form $y = ax^2 + q$ be calculated?

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

What happens to the graph when $a < 0$ in the equation $y = ax^2 + q$?

<p>The graph opens downwards (C)</p> Signup and view all the answers

If the y-intercept $c$ in the equation $y = mx + c$ is greater than zero, where does the graph intersect the y-axis?

<p>At point $(0, c)$ in the first quadrant (D)</p> Signup and view all the answers

What characteristic describes the axis of symmetry in parabolic graphs of the form $y = ax^2 + q$?

<p>It is always the line $x = 0$ (A)</p> Signup and view all the answers

What is the effect of the parameter $q$ in the quadratic function $y = ax^2 + q$?

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

What indicates whether the graph of $y = ax^2 + q$ has a minimum or maximum turning point?

<p>The sign of $a$ (A)</p> Signup and view all the answers

In the gradient and y-intercept method for sketching $y = mx + c$, what do you calculate first?

<p>The y-intercept $c$ (B)</p> Signup and view all the answers

When $0 < a < 1$ in the quadratic function $y = ax^2 + q$, what is the property of the corresponding graph?

<p>The graph widens as $a$ approaches 0 (C)</p> Signup and view all the answers

What describes the domain of the function $y = ax^2 + q$?

<p>It includes all real numbers (C)</p> Signup and view all the answers

How does the gradient $m$ in the linear function $y = mx + c$ impact the graph?

<p>It affects the direction and steepness of the line (B)</p> Signup and view all the answers

How can one determine the sign of parameter 'a' in the equation of a parabola?

<p>By identifying the direction of the parabola (B)</p> Signup and view all the answers

What does the parameter 'q' represent in the context of parabolic equations?

<p>The vertical shift of the parabola (A)</p> Signup and view all the answers

To solve for 'a' and 'q' in a hyperbola using given points, which method should be used?

<p>Substitute the given points into the equations (D)</p> Signup and view all the answers

What is the first step taken when interpreting the graph of a trigonometric function?

<p>Identify the type of trigonometric graph (B)</p> Signup and view all the answers

When finding points of intersection between two graphs, what is the essential step?

<p>Equate the expressions of the two graphs (A)</p> Signup and view all the answers

In the context of graphing parabolas, how do you calculate the y-intercept?

<p>By setting $x$ equal to 0 (B)</p> Signup and view all the answers

In a trigonometric function, how does the value of 'a' affect the graph?

<p>It influences the amplitude and reflection (C)</p> Signup and view all the answers

For the equation of a hyperbola, what role does 'q' play?

<p>Affects the vertical alignment of the graph (D)</p> Signup and view all the answers

Which method is NOT typically involved when solving for 'a' and 'q' from given points in a function?

<p>Calculating the slopes of the given points (B)</p> Signup and view all the answers

What is the significance of identifying asymptotes in graphing hyperbolas?

<p>They help in finding the domain and range (D)</p> Signup and view all the answers

What happens to the slope of the graph when the value of m is negative?

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

If c = 0 in the equation y = mx + c, where does the graph intersect the y-axis?

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

How does an increase in the value of c affect the graph of y = mx + c?

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

What can be said about the domain of the function f(x) = mx + c?

<p>It consists of all real numbers. (C)</p> Signup and view all the answers

In the equation y = mx + c, what occurs when m = 0?

<p>The graph is a horizontal line at y = c. (A)</p> Signup and view all the answers

What describes the behavior of a linear function's x-intercept?

<p>To find it, set y = 0 and solve for x. (C)</p> Signup and view all the answers

What effect does increasing the value of m have on the graph of the linear function?

<p>It steepens the slope of the graph. (D)</p> Signup and view all the answers

If both m and c are negative, how does the graph behave?

<p>The graph slopes downward and intersects the y-axis below zero. (A)</p> Signup and view all the answers

What represents exponential decay in the function of the form $y = ab^x + q$?

<p>$0 &lt; b &lt; 1$ (C)</p> Signup and view all the answers

Which point is identified as a minimum turning point for the sine function?

<p>$(270°, -1)$ (C)</p> Signup and view all the answers

What happens to the graph of the cosine function when the parameter $a$ is negative?

<p>It reflects about the x-axis. (D)</p> Signup and view all the answers

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

<p>180° (C)</p> Signup and view all the answers

For the function $y = a \sin \theta + q$, what is the y-intercept when $\theta = 0$?

<p>$a + q$ (B)</p> Signup and view all the answers

In the equation of a parabola $y = ax^2 + q$, what does the coefficient $a$ determine?

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

Where are the asymptotes located for the tangent function $y = a \tan \theta + q$?

<p>At $\theta = 90°$ and $270°$ (A)</p> Signup and view all the answers

What effect does the value of $q$ have on the trigonometric function $y = a \cos \theta + q$?

<p>It causes a vertical shift. (A)</p> Signup and view all the answers

What is the range of the function $y = a \cos \theta + q$ when $a > 0$?

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

What is the significance of $b$ in the function $y = ab^x + q$ when $b > 1$?

<p>It signifies exponential growth. (D)</p> Signup and view all the answers

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

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

If the parameter $q$ in the hyperbolic function $y = \frac{a}{x} + q$ is positive, how does it affect the graph?

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

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

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

For the exponential function $y = ab^x + q$, what can be said about the range when $a < 0$?

<p>The range is ${y : y &lt; q}$ (D)</p> Signup and view all the answers

What effect does a negative value of $a$ have on the hyperbolic function's graph $y = \frac{a}{x} + q$?

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

In the exponential function $y = ab^x + q$, how is the y-intercept determined?

<p>By setting $x = 0$ in the exponential formula. (C)</p> Signup and view all the answers

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

<p>It causes the horizontal asymptote to move upwards. (B)</p> Signup and view all the answers

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

<p>$x = 0$ (B)</p> Signup and view all the answers

Which statement correctly describes the effect of $a$ when $a > 0$ in the exponential function $y = ab^x + q$?

<p>The graph has a single horizontal asymptote at $y = q$. (A)</p> Signup and view all the answers

How is the x-intercept of the hyperbolic function $y = \frac{a}{x} + q$ calculated?

<p>By setting $y = 0$ and solving for $x$. (D)</p> Signup and view all the answers

What can you determine about the value of 'a' in the equation of a parabola if the graph opens upwards?

<p>'a' must be greater than zero (B)</p> Signup and view all the answers

How is the y-intercept found for a hyperbola described by the equation $y = \frac{a}{x} + q$?

<p>Set 'x' equal to zero (B)</p> Signup and view all the answers

In the context of trigonometric functions, what does the vertical shift 'q' represent?

<p>The amount by which the graph is lifted or lowered (D)</p> Signup and view all the answers

When performing calculations for the points of intersection of two graphs, which method is typically used?

<p>Equating the expressions of both graphs (A)</p> Signup and view all the answers

What determines the shape of a hyperbola in the equation $y = \frac{a}{x} + q$?

<p>The value of 'a' only (C)</p> Signup and view all the answers

For the function $y = a \sin \theta + q$, which statement is true when 'a' is negative?

<p>The wave is reflected across the x-axis (A)</p> Signup and view all the answers

When determining the domain of the hyperbolic function $y = \frac{a}{x} + q$, which statement is accurate?

<p>Domain cannot include zero (A)</p> Signup and view all the answers

Which method is NOT used when solving for 'a' and 'q' based on points provided in a trigonometric function?

<p>Calculating the angles of the graph (C)</p> Signup and view all the answers

How does one typically determine vertical asymptotes in hyperbolas?

<p>By setting the denominator equal to zero (A)</p> Signup and view all the answers

What characteristic do the coefficients of 'a' in parabolic equations represent?

<p>The direction and width of the parabola (C)</p> Signup and view all the answers

What characteristic does the parameter 'a' provide to the graph of the function $y = ax^2 + q$?

<p>Determines the direction and shape of the graph (D)</p> Signup and view all the answers

What happens to the graph of $y = ax^2 + q$ when the value of 'q' is increased?

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

What is the significance of the axis of symmetry in the function $y = ax^2 + q$?

<p>It reflects the left half of the graph onto the right half (C)</p> Signup and view all the answers

If the coefficient 'a' of the parabola is negative, what does this indicate about the shape of the graph?

<p>The graph opens downwards and has a maximum turning point (B)</p> Signup and view all the answers

When determining the y-intercept of the function $y = ax^2 + q$, what should be done with the variable 'x'?

<p>Set $x = 0$ to find the corresponding value of $y$ (D)</p> Signup and view all the answers

In the general function form $y = mx + c$, which characteristic is crucial for sketching the graph using the dual intercept method?

<p>Both the x-intercept and y-intercept are needed (B)</p> Signup and view all the answers

What scenario leads to a wider parabolic graph in the function $y = ax^2 + q$?

<p>When $0 &lt; a &lt; 1$ (D)</p> Signup and view all the answers

How does the graph of $y = ax^2 + q$ behave when $q < 0$?

<p>The entire graph shifts downwards (C)</p> Signup and view all the answers

What type of turning point does a parabola described by $y = ax^2 + q$ possess when $a > 0$?

<p>A minimum turning point (D)</p> Signup and view all the answers

What is the range of the function $y = ax^2 + q$ when $a < 0$?

<p>The range is $(- ext{infinity}; q]$ (A)</p> Signup and view all the answers

How does an increase in the value of 'm' affect the slope of the graph of a linear function?

<p>It increases the slope. (C)</p> Signup and view all the answers

What characteristic of a straight line graph is determined by the y-intercept 'c' when 'c < 0'?

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

When analyzing the equation $y = mx + c$, what effect does a negative value of 'm' imply for the orientation of the graph?

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

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

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

In the context of linear functions, what does the term 'gradient' refer to?

<p>The slope of the graph. (A)</p> Signup and view all the answers

If both m and c are zero in the equation $y = mx + c$, what can be said about the graph?

<p>It is a horizontal line at the origin. (D)</p> Signup and view all the answers

What happens when 'c' is greater than zero in the equation of a linear function?

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

In a linear function, how is the x-intercept calculated?

<p>Set y equal to zero. (D)</p> Signup and view all the answers

What happens to the graph of the function when the coefficient 'a' is zero in the equation $y = ax^2 + q$?

<p>The graph becomes a horizontal line. (B), The graph represents a constant function. (C)</p> Signup and view all the answers

For the quadratic function $y = ax^2 + q$, what does a negative value of 'q' signify?

<p>The minimum point will be below the x-axis. (A)</p> Signup and view all the answers

When the gradient 'm' in a linear function $y = mx + c$ is increased, what is the consequent change in the graph?

<p>The line becomes steeper. (C)</p> Signup and view all the answers

How does the sign of 'a' affect the axis of symmetry of the parabolic function $y = ax^2 + q$?

<p>It has no effect on the axis of symmetry. (D)</p> Signup and view all the answers

In the context of the quadratic function $y = ax^2 + q$, what is the behavior of the graph when $a$ is a small positive number (e.g., $0 < a < 1$)?

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

What is indicated by the x-intercepts of the function $y = ax^2 + q$ when 'a' is negative?

<p>There will be two x-intercepts. (A), The graph will cross the x-axis twice. (D)</p> Signup and view all the answers

When calculating the y-intercept of a linear function $y = mx + c$, which of the following correctly defines the method?

<p>Substituting $x = 0$ into the equation. (D)</p> Signup and view all the answers

In a graph of quadratic function $y = ax^2 + q$, what characteristic is associated with the minimum turning point when $a > 0$?

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

What is the correct method to find the x-intercepts of the quadratic function $y = ax^2 + q$?

<p>Set $y = 0$ and solve the resulting equation. (D)</p> Signup and view all the answers

What happens to the graph of the hyperbolic function when the value of 'q' is negative?

<p>The graph shifts vertically downwards by 'q' units (B)</p> Signup and view all the answers

In the context of hyperbolic functions, what does the horizontal asymptote indicate?

<p>The y-values approach but never reach q (C)</p> Signup and view all the answers

For the exponential function $y = ab^x + q$, what does the sign of 'a' influence?

<p>The direction of the curve (upwards or downwards) (A)</p> Signup and view all the answers

Which characteristic is true about the axes of symmetry for hyperbolic functions?

<p>The lines are y = x + q and y = -x + q (A)</p> Signup and view all the answers

What is the effect of having 'a' greater than zero in the exponential function?

<p>The graph will increase to infinity as x increases (B)</p> Signup and view all the answers

How does the vertical asymptote behave in the hyperbolic function $y = \frac{a}{x} + q$?

<p>It is located at x = 0 (D)</p> Signup and view all the answers

When calculating the x-intercept of the hyperbolic function $y = \frac{a}{x} + q$, which statement is true?

<p>Set y to 0 (D)</p> Signup and view all the answers

What is the interpretation of 'q' in the function $y = \frac{a}{x} + q$?

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

In exponential functions, what is the significance of the horizontal asymptote?

<p>It indicates where the y-values stabilize (C)</p> Signup and view all the answers

What occurs when 'a' in the hyperbolic function $y = \frac{a}{x} + q$ is negative?

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

Which statement accurately describes how to identify the parameters of a hyperbola from its graph?

<p>The sign of $a$ is deduced from recognizing the quadrants of the hyperbola. (A)</p> Signup and view all the answers

In determining the equation of a parabola, which method is not typically used?

<p>Using the vertex coordinates to find $a$ and $q$. (D)</p> Signup and view all the answers

Which statement correctly characterizes the amplitude of trigonometric graphs?

<p>It corresponds directly to the value of $a$ in the equation. (B)</p> Signup and view all the answers

What defines the vertical shift of a hyperbola as given by its equation?

<p>The value of $q$. (C)</p> Signup and view all the answers

To find points of intersection between two graphs, which mathematical principle should be applied?

<p>Set the equations equal and solve for both $x$ and $y$. (A)</p> Signup and view all the answers

In the context of the graph of $y = a an heta + q$, what does the parameter $q$ affect?

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

Which characteristic feature is associated with the distance formula when calculating distances in graph interpretations?

<p>It uses the differences of coordinates to measure distance. (A)</p> Signup and view all the answers

When solving for the parameters of trigonometric functions, what must be done with the systems of equations?

<p>Simultaneous solutions should be derived to isolate $a$ and $q$. (C)</p> Signup and view all the answers

How do the asymptotes of a hyperbola inform about its graph behavior?

<p>They indicate where the graph will never intersect the axis. (D)</p> Signup and view all the answers

Which of the following conditions is indicative of a parabola opening downwards?

<p>The value of $a$ is less than zero. (C)</p> Signup and view all the answers

What effect does a value of $b$ between 0 and 1 have on the function $y = ab^x + q$?

<p>It represents exponential decay. (C)</p> Signup and view all the answers

Which statement is true about the sine function $y = a ext{sin} heta + q$ when $|a| > 1$?

<p>It has a vertical stretch effect. (A)</p> Signup and view all the answers

What conditions must be met for the function $y = a ext{tan} heta + q$ to experience an upward vertical shift?

<p>When $q &gt; 0$. (D)</p> Signup and view all the answers

In the context of the sine function, which points represent the maximum turning points?

<p>(90°, 1) and (360°, 1) (B)</p> Signup and view all the answers

What describes the range of the function $y = a ext{cos} heta + q$ when $a < 0$?

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

Which of the following statements about the tangent function $y = ext{tan} heta$ is correct?

<p>The function has a period of 360°. (A)</p> Signup and view all the answers

Which characteristic is true for the horizontal asymptotes of an exponential function when $a < 0$?

<p>They are located at $y = q$. (D)</p> Signup and view all the answers

What is the effect of a negative value for $a$ in the function $y = a ext{sin} heta + q$?

<p>It reflects the graph about the x-axis. (C)</p> Signup and view all the answers

The vertical asymptotes of the tangent function occur at which angles?

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

For the function $y = a ext{tan} heta + q$, how does the value of $a$ affect the steepness of the branches?

<p>The larger the value of $a$, the steeper the branches. (D)</p> Signup and view all the answers

What effect does an increase in the value of 'c' have on the graph of the function?

<p>The graph will shift vertically upwards. (C)</p> Signup and view all the answers

Which statement accurately describes the behavior of the graph when 'm' is set to 0?

<p>The graph becomes a horizontal line. (D)</p> Signup and view all the answers

In the equation of a linear function, what is the primary role of the parameter 'm'?

<p>It describes the steepness or slope of the line. (A)</p> Signup and view all the answers

If 'c' is negative, what impact does this have on the graph of the function?

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

What does the equation obtain when determining the y-intercept of a straight-line function?

<p>Set 'x' to zero and solve for 'y'. (A)</p> Signup and view all the answers

Which of the following accurately describes the domain of the function $f(x) = mx + c$?

<p>The domain is all real numbers. (D)</p> Signup and view all the answers

What mathematical concept does the variable 'c' represent in the function $y = mx + c$?

<p>The y-coordinate where the line intersects the y-axis. (C)</p> Signup and view all the answers

What indicates that a line has a negative slope when examining the function $y = mx + c$?

<p>The line runs from the top left to the bottom right. (B)</p> Signup and view all the answers

What is the y-intercept of the function described by $y = a \sin \theta + q$?

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

For a function of the form $y = ab^x + q$ with $a < 0$ and $0 < b < 1$, what is the behavior of the graph?

<p>The graph curves downwards and represents exponential decay. (C)</p> Signup and view all the answers

In the context of the sine function $y = a \sin \theta + q$, which condition indicates a vertical stretch?

<p>$|a| &gt; 1$ (C)</p> Signup and view all the answers

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

<p>180° (D)</p> Signup and view all the answers

Which characteristic is true for the cosine function's maximum turning point in the form $y = a \cos \theta + q$?

<p>Occurs at $(0°, 1)$ (B)</p> Signup and view all the answers

What is the range of the sine function $y = a \sin \theta + q$ when $a < 0$ and $q > 0$?

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

What effect does a negative value of $a$ have on the graph of the cosine function $y = a \cos \theta + q$?

<p>Causes a reflection about the x-axis. (A)</p> Signup and view all the answers

Where do the asymptotes of the tangent function $y = a \tan \theta + q$ occur?

<p>$\theta = 90°, 270°$ (A)</p> Signup and view all the answers

What is the x-intercept of the function $y = a \sin \theta + q$?

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

What can be said about the domain of the hyperbolic function of the form $y = \frac{a}{x} + q$?

<p>It excludes zero. (C)</p> Signup and view all the answers

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

<p>It is less than q. (B)</p> Signup and view all the answers

Which statement accurately describes the vertical asymptote of the hyperbolic function $y = \frac{a}{x} + q$?

<p>It is at $x = 0$. (A)</p> Signup and view all the answers

What effect does a positive value of 'a' have on the hyperbolic function $y = \frac{a}{x} + q$?

<p>It causes the graph to lie in the first and third quadrants. (B)</p> Signup and view all the answers

In the context of exponential functions, what does the value of 'q' affect?

<p>The horizontal asymptote and shifts the graph vertically. (A)</p> Signup and view all the answers

How can the x-intercept of the hyperbolic function $y = \frac{a}{x} + q$ be calculated?

<p>By setting y equal to zero. (A)</p> Signup and view all the answers

What is the effect of 'q' on the graph of an exponential function when $q < 0$?

<p>It lowers the horizontal asymptote. (A)</p> Signup and view all the answers

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

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

When sketching the graph of the function $y = \frac{a}{x} + q$, which characteristic is least likely to be useful?

<p>The number of solutions of the equation. (B)</p> Signup and view all the answers

What is the key characteristic of the graph of the function when the parameter 'a' is greater than zero?

<p>The graph opens upwards with a minimum turning point. (A)</p> Signup and view all the answers

Which of the following describes the effect of varying 'q' for a parabolic function?

<p>It shifts the graph vertically without changing its shape. (B)</p> Signup and view all the answers

What happens to the graph of the function when 'a' is less than zero?

<p>The graph results in a maximum turning point. (C)</p> Signup and view all the answers

How do the turning points of the graph change if 'a' gets closer to zero but remains positive?

<p>They move vertically towards the horizontal axis. (C)</p> Signup and view all the answers

When calculating the x-intercept of a quadratic function, what must be true about the value of 'y'?

<p>It must equal zero. (C)</p> Signup and view all the answers

What impact does the sign of 'm' have in the linear equation 'y = mx + c'?

<p>It indicates the steepness and direction of the line. (B)</p> Signup and view all the answers

In the context of parabolic functions, what is the effect on the range when 'a' is negative?

<p>The range extends only downwards. (D)</p> Signup and view all the answers

Which of the following statements accurately describes the axis of symmetry for a parabolic function?

<p>It coincides with the y-axis for all parabolas. (A)</p> Signup and view all the answers

What is necessary to sketch a graph of the form 'y = ax^2 + q'?

<p>The sign of 'a', as well as the intercepts and turning point. (A)</p> Signup and view all the answers

How can the sign of 'a' in a quadratic function affect the overall shape of the graph?

<p>It also indicates if the parabola opens upwards or downwards. (D)</p> Signup and view all the answers

What characteristic of a hyperbola is determined by the value of parameter 'a' in the equation $y = \frac{a}{x} + q$?

<p>The direction and shape of the hyperbola (A)</p> Signup and view all the answers

In the context of parabolas, how does the parameter 'q' affect the graph of the equation $y = ax^2 + q$?

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

When interpreting a trigonometric graph, what is a crucial first step to determine the equation of the form $y = a \sin \theta + q$?

<p>Identify the type of graph and its vertical shifts (B)</p> Signup and view all the answers

What does the y-intercept of a trigonometric function of the form $y = a \cos \theta + q$ indicate?

<p>The vertical shift value of the cosine graph (B)</p> Signup and view all the answers

Which mathematical approach is most effective in solving for both 'a' and 'q' within a hyperbola's equation when given multiple points?

<p>Substituting the values and solving simultaneously (D)</p> Signup and view all the answers

In the equation $y = \frac{a}{x} + q$, how can you determine the vertical shifts represented by 'q'?

<p>Through the calculation of the y-intercepts (D)</p> Signup and view all the answers

What is necessary for calculating points of intersection between two graphs?

<p>Equate their expressions and solve for corresponding values (A)</p> Signup and view all the answers

In determining the equation of a trigonometric function, which is a critical condition when 'a' is less than zero?

<p>The graph reflects across the x-axis (D)</p> Signup and view all the answers

What is the primary role of asymptotes in the function $y = \frac{a}{x} + q$?

<p>To indicate where the function approaches infinity (D)</p> Signup and view all the answers

What effect does the sign of $a$ have on the graph of the function $y = ax^2 + q$?

<p>It affects the direction and width of the parabola. (C)</p> Signup and view all the answers

When determining the equation of a hyperbola, what do the quadrants where the curves lie indicate?

<p>They help identify the sign of $a$. (C)</p> Signup and view all the answers

Which of the following steps is NOT necessary when solving for $a$ and $q$ from points in trigonometric functions?

<p>Calculating the amplitude of the graph. (A)</p> Signup and view all the answers

In the context of hyperbolas, what role do asymptotes play?

<p>They influence the behavior as $x$ approaches zero. (C)</p> Signup and view all the answers

How is the y-intercept found for the function $y = rac{a}{x} + q$?

<p>By evaluating $q$ directly. (C)</p> Signup and view all the answers

Which statement correctly describes how to calculate intercepts for parabolic functions?

<p>Calculate the y-intercept by setting $x = 0$. (D)</p> Signup and view all the answers

What method should be used to find the points of intersection between two graphs?

<p>Equate the expressions of both graphs and solve for $x$ and $y$. (D)</p> Signup and view all the answers

What is indicated by the vertical shift $q$ in the functions $y = a an heta + q$?

<p>It moves the graph up or down without affecting its shape. (A)</p> Signup and view all the answers

In the function $y = a ext{sin} heta + q$, how does the value of $a < 0$ affect the graph?

<p>It reflects the graph across the x-axis. (D)</p> Signup and view all the answers

What characteristic is essential when examining the graph of $y = a ext{cos} heta + q$?

<p>Noting any vertical shifts to ascertain $q$. (B)</p> Signup and view all the answers

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