Answer
$(-8)^{2}=64$
Work Step by Step
$(-8)^{2}\qquad$ ...rewrite $-8$ as $(-1)(8)$
$=((-1)(8))^{2}\qquad$ ...use $(ab)^{2}=a^{2}b^{2}$
$=(-1)^{2}(8)^{2}$
$=1\cdot 64$
$=64$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 4 Quadratic Functions and Factoring - 4.5 Solve Quadratic Equations by Finding Square Roots - 4.5 Exercises - Mixed Review - Page 271: 46
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