Algebra 2 (1st Edition)

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: 51



Work Step by Step

$-7^{2}\qquad$ ...rewrite as $(-1)(7)^{2}$. $=(-1)(7)^{2}\qquad$ ... the minus in $-1$ is NOT squared. $=-1\cdot 49$ $=-49$
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