College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 1 - Section 1.6 - Equations and Inequalities Involving Absolute Value - 1.6 Assess Your Understanding - Page 132: 2



Work Step by Step

RECALL: Absolute value is defined as: $|x| =x$ if $x \ge 0$ $|x| = -x$ if $x \lt 0$ Note that: (1) The absolute value of a positive number is positive. (2) The absolute value of 0 is 0. (3) The absolute value of a negative number is positive. Thus, for any real number $x$, $|x| \ge 0$ The given statement is true.
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