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2-22 Practice

Last updated about 3 years ago

12 questions

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Question 10

10.

What is the coordinate of the vertex of the graph of f(x) = 2(x + 1)2 - 4?

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Question 11

11.

What is the coordinate of the y-intercept of the graph of f(x) = 2(x + 1)2 - 4?

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Question 1

1.

Question 2

2.

What is the coordinate of the y-intercept of the function?

Question 3

3.

What is the coordinate of one x-intercept of the function?

Question 4

4.

What is the coordinate of the other x-intercept of the function?

Question 5

5.

What is the coordinate of the vertex of the function?

Question 6

6.

Rewrite the function d(x) = x2 + 12x + 36 in vertex form. (Don't forget to write "d(x) =")

Question 7

7.

Rewrite the function f(x) = x2 + 10x + 21 in vertex form. (Don't forget to write "f(x) =")

Question 8

8.

Rewrite the function g(x) = 2x2 - 20x + 32 in vertex form. (Don't forget to write "g(x) =")

Question 9

9.

Question 12

12.

How is the graph of the equation y = (x - 1)2 + 4 related to the graph of the equation y = x2?

A. It is shifted 1 unit right and 4 units up.

B. It is shifted 1 unit left and 4 units up.

C. It is shifted 1 unit right and 4 units down.

D. It is shifted 1 unit left and 4 units down.

Select all of the statements that are true about the graph of this function.

A. The y-intercept is (0, -15)

B. The vertex is (-4, -1)

C. The x-intercepts are (-5, 0) and (-3, 0)

D. The x-intercepts are (0, 5) and (0, 3)

E. The x-intercept is (0, 15)

F. The y-intercept is (0, 15)

G. The vertex is (4, -1)

Select all the equations with irrational solutions.

A. 36 = x2

B. x2 = 1/4

C. x2 = 8

D. 2x2 = 8

E. x2 = 0

F. x2 = 40

G. 9 = x2 - 1