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 - Guided Practice for Examples 5 and 6 - Page 55: 11

Answer

$-5\leq x\leq4$

Work Step by Step

$|2x+1|\leq9$ implies $-9\leq 2x+1\leq9\\-10\leq 2x\leq8\\-5\leq x\leq4$. Thus $-5\leq x\leq4$. I used a graphing utility to graph this set.
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