Unit Test Answers

Adita has two options for how to invest $1,000.Plan A: Put the $1,000 in an account that pays $100 per year.Plan B: Put the $1,000 in an account that pays 5 percent interest per year.Which statement is true?

Which of the following best describes how the y values are changing over each interval?xy122438416532

The function f(x) = x2 is translated 7 units to the left and 3 units down to form the function g(x). Which represents g(x)?

Which equation, when graphed, has x-intercepts at (8, 0) and (−2, 0) and a y-intercept at (0, −48)?

Which translation maps the vertex of the graph of the function f(x) = x2 onto the vertex of the function g(x) = x2 – 10x +2?

Over which interval are the exponential and linear function approximately the same?

What is the range of the function f(x) = −(x + 3)2 + 7?

Which statements are true about the graph of the function h(x) = –5x2 + 60x – 200? Select three options.The axis of symmetry is the line x = –6.The graph of h(x) will not intersect the graph of the parent function, f(x) = x2.The vertex of the graph is at (6, –20).The parabola has a maximum.The value of k, when the equation is written in vertex form, is –200.

What is the axis of symmetry of h(x) = 6x2 − 60x + 147?

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The function f(x) = –x2 – 4x + 5 is shown on the graph.

What is the y-value of the vertex of the function f(x)=−(x−3)(x+11)?

The function g(x) is a translation of f(x) = (x + 3)2 – 10. The axis of symmetry of g(x) is 5 units to the right of f(x) . Which function could be g(x)?

Which rule can be used to describe the growth of the y-values of the function over each interval from to ?

What is the y-value of the vertex of the function f(x)=−(x+8)(x−14)?

Which function has a vertex on the y-axis?

Consider the quadratic function f(x) = x2 – 5x + 12. Which statements are true about the function and its graph? Select three options.The value of f(–10) = 82The graph of the function is a parabola.The graph of the function opens down.The graph contains the point (20, –8).The graph contains the point (0, 0).

The function f(x) = –3x2 + 36x – 119 written in vertex form is f(x) = –3(x – 6)2 – 11. Which statements are true about the graph of f(x)? Select three options.The axis of symmetry is the line x = 6.The vertex of the graph is at (–6, –11).The parabola has a minimum.The parabola opens down.The value of h, when the equation is written in vertex form, is positive.

The image shows a geometric representation of the function f(x) = x2 + 2x + 3 written in standard form.

Which type of function is represented by the table of values below?xy14216364425651,024

The graph of the function f(x) = (x + 2)(x − 4) is shown.

What are the x-intercepts of the graph of the function f(x) = x2 + 5x − 36?

Which is the graph of the function f(x) = x2 + 2x + 3?

Which is one of the transformations applied to the graph of f(x) = x2 to change it into the graph of g(x) = 9x2 – 36x?