Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - Chapter R Test Prep - Review Exercises - Page 84: 118

Answer

$\huge\color{blue}{-9}$

Work Step by Step

$-3^2 \ne 9$ Remember that $(-3)^2$ and $-3^2$ are different terms. $\color{blue}{-}3^2 =\color{blue}{(-1)} (3^2)$ $(-1) (3^2) = (-1) (9)$ $\huge\color{blue}{-9}$
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