Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - Chapter Review - Page 68: 4


Absolute Value

Work Step by Step

Remember, the definition of an absolute value is the distance that number is from zero, and it is represented by placing long lines around the number, like this $|5|$. When a positive number has absolute value signs around it, you can remove the absolute value sign and nothing changes: $|3|=3$ When a negative number has absolute value signs around it, you must remove the negative sign when you remove the absolute value sign: $|-3|=3$
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