Unit Test

Question 1

graph of f(x)

Revolt · Accepted Answer

A: up

Question 2

graph of f(x)

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C: left

Question 3

Choose the graph of y = (x – 3)2 + 1.

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C:

Question 4

Select the graphs that have an equation with a < 0.

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B: ; C:

Question 5

As |a| increases, the parabola becomes

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B: narrower.

Question 6

The graph of is the widest.

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A: function 1

Question 7

If the parabola of the form y = a(x – h)2 + k is always shifted horizontally h units and vertically k units, then its vertex is always

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B: (h, k)

Question 8

Choose the equation that shows a step in the process of completing the square on the given quadratic.y = x2 + 8x – 3

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C: y = x2 + 8x + 16 – 3 – 16

Question 9

As |a| decreases, the parabola becomes

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A: wider.

Question 10

The graph of is the narrowest.

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D: function 4

Unit Test Answers