Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.5 - Rationalizing Numerators and Denominators of Radical Expressions - Exercise Set - Page 718: 49



Work Step by Step

$\dfrac{\sqrt{4x}}{7}$ Multiply this expression by $\dfrac{\sqrt{4x}}{\sqrt{4x}}$ and simplify if possible: $\dfrac{\sqrt{4x}}{7}=\dfrac{\sqrt{4x}}{7}\cdot\dfrac{\sqrt{4x}}{\sqrt{4x}}=\dfrac{\sqrt{(4x)^{2}}}{7\sqrt{4x}}=\dfrac{4x}{7\sqrt{4x}}$
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.