College Algebra (11th Edition)

by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie

Published by Pearson

ISBN 10: 0321671791

ISBN 13: 978-0-32167-179-0

Chapter 1 - Section 1.8 - Absolute Value Equations and Inequalities - 1.8 Exercises - Page 153: 1

Answer

Work Step by Step

There are only two solutions, x=7 and x=-7, for this absolute value equation. Therefore, when graphing, we only mark two dots (one at x=7 and one at x=-7) on the number line.

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