Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - 1.6 - Other Types of Equations - 1.6 Exercises - Page 128: 31



Work Step by Step

$\sqrt {5x}-10=0$ $\sqrt {5x}=10~~$ (Square both sides) $(\sqrt {5x})^2=10^2$ $5x=100$ $x=\frac{100}{5}=20$ Check the solution: $\sqrt {5(20)}-10=\sqrt {100}-10=10-10=0$
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.