Answer
See the explanation below.
Work Step by Step
As per the definition of square root property, $\sqrt x= \pm x$
Thus, $\sqrt{2^2}= 2 $ and $\sqrt{(-2)^2}=- 2 $
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 7 - Section 7.1 - Radical Expressions and Functions - Exercise Set - Page 514: 109
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
