Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.2 - Operations with Real Numbers and Simplifying Algebraic Expressions - Exercise Set: 154

Answer

Opposites or additive inverses are two numbers that have opposite signs but have the same absolute value. Their sum is equal to zero. (refer to the step-by-step part below for an example)

Work Step by Step

Opposites or additive inverses are two numbers that have opposite signs but have the same absolute value. Their sum is equal to zero. Example: $-4$ and $4$ have opposite signs but have the same absolute value of 4. Thus, $-4 + 4 = 0$
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