Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 9 - Quadratic Functions and Equations - Cumulative Test Prep - Multiple Choice - Page 595: 10



Work Step by Step

The absolute value of a number is that number's distance from zero. Distance cannot be negative--all distances are positive. Thus, the absolute value of a positive number is that number, and the absolute value of a negative number is $-1$ multiplied by that number.
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