Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 9 - Quadratic Functions and Equations - Mid-Chapter Quiz - Page 575: 15


The equation has two solutions, $r=\pm 6$.

Work Step by Step

$5r^2-180=0$ $r^2-36=0$ $(r-6)(r+6)=0$ $r=\pm 6$ The equation has two solutions, $r=\pm 6$.
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.