Answer
$= 32$
Work Step by Step
We plug $x =-2$ and $y =6 $ into the expression, $-x^{2} + y^{2}$ to obtain:
$= -(-2)^{2} + (6)^{2}$
$= -4 + 36$
$= 32$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
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: 102
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