Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - 2.4 - Exponents - Problem Set 2.4 - Page 76: 99

Answer

$-64$

Work Step by Step

Substituting $x=-8$ into the expression $-x^{2}$, we obtain: $-x^{2}=-(-8)^{2}=-(-8\times-8)=-(64)=-64$
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