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: 101

Answer

$= -25$

Work Step by Step

We plug $x =-3$ and $y =-4 $ into the expression, $ -x^{2} - y^{2}$, to obtain: $= -(-3)^{2} - (-4)^{2}$ $= -9 - 16$ $= -25$
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