Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 1, Equations and Inequalities - 1.7 Solve Absolute Value Equations and Inequalities - 1.7 Exercises - Quiz for Lessons 1.6-1.7 - Page 58: 12


$r\geq9$ or $r\leq1$.

Work Step by Step

$|5-r|\geq4$ implies $5-r\geq4\\-r\geq-1\\r\leq1$ or $5-r\leq-4\\9\leq r$. Thus $r\geq9$ or $r\leq1$.
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