Unit Test — Cumulative exam

Question 1

For which pair of functions is ?

Revolt · Accepted Answer

f(a) = 5 + a2 and

Question 2

Which statement best describes the effect on the graph of y = (x – 9)2 if the equation is changed to y = (x + 9)2?

Revolt · Accepted Answer

The graph moves left 18 units.

Question 3

What is the value of (–3 + 3i) + (–2 + 3i)?

Revolt · Accepted Answer

–5 + 6i

Question 4

Which expression is equivalent to ?

Revolt · Accepted Answer

StartRoot 2 Superscript 5 EndRoot

Question 5

Which expression is equivalent to ?

Revolt · Accepted Answer

2a

Question 6

What is the product of ?

Revolt · Accepted Answer

StartFraction 10 Over m Superscript 5 EndFraction

Question 7

Which expression is equivalent to ?

Revolt · Accepted Answer

x Superscript one-eighth Baseline y Superscript 8

Question 8

Which expression is equivalent to ? Assume .

Revolt · Accepted Answer

2 x cubed y Superscript 4 Baseline StartRoot 2 x EndRoot

Question 9

Nine and one-half less than four and one-half times a number is greater than 62.5. Which of the following represents the solution set of this problem?

Revolt · Accepted Answer

(16, positive infinity)

Question 10

Using the quadratic formula to solve 2x2 = 4x – 7, what are the values of x?

Revolt · Accepted Answer

StartFraction 2 plus-or-minus StartRoot 10 EndRoot i Over 2 EndFraction

Unit Test — Cumulative exam Answers

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