Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 10 - Exponents and Radicals - 10.1 Radical Expressions and Functions - 10.1 Exercise Set: 37

Answer

$4|b|$

Work Step by Step

Using $\sqrt{x^2}=|x|$, the given expression, $ \sqrt{(-4b)^2} ,$ simplifies to \begin{array}{l} |-4b| \\\\= 4|b| .\end{array} Note: We have to put the variable in absolute value bars since it is being raised to an odd power.
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.