Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 1 - Section 1.4 - Adding Real Numbers - Exercise Set - Page 36: 48



Work Step by Step

The absolute value of a real number $a$, denoted by $|a|$, is the distance between $a$ and 0 on a number line. Therefore, $|a|=a$ if $a\geq0$, and $|a|=-(a)$ if $a\lt0$. Therefore, $|7+(-17)|=|-10|=-(-10)=10$.
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