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: 44

Answer

$(-5)^{2}=25$

Work Step by Step

$(-5)^{2}\qquad$ ...rewrite $-5$ as $(-1)(5)$ $=((-1)(5))^{2}\qquad$ ...use $(ab)^{2}=a^{2}b^{2}$ $=(-1)^{2}(5)^{2}$ $=1\cdot 25$ $=25$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.