Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.3 - Integers: Addition and Subtraction - Concept Quiz 1.3 - Page 19: 8



Work Step by Step

RECALL: $|a| = a$ if $ a$ is not negative. $|a| =-a$ if $a$ is negative. Thus, $|-4| = -(-4) = 4$ Therefore, the given statement is false. Also, this makes sense, for an absolute value is NEVER equal to a negative number.
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