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If 2^{x + 1} = 32, then (x + 1)² =

A. 4

B. 9

C. 16

D. 25

E. 36

Since 2^{x + 1} = 32 and 32 = 2⁵, then 2^{2 + 1} = 2⁵. Hence, x + 1 = 5, thus
(x + 1)² = (5)² = 25.

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Taken: 40 times

Added: 11/25/2008

Liked: 1 time

Taggged: Math, SAT

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Founded by OmegaMoo

This is a 20 question exam to help you study for the Math section of the SAT.

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