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: 156

Answer

To multiply two numbers with different signs, multiply their absolute values. Their product will be negative. (refer to the step-by-step part for an example)

Work Step by Step

To multiply two numbers with different signs, multiply their absolute values. The product is negative. Example: $(-3)(9)$ Multiply their absolute values: $|-3| \times |9| = 3 \times 9 = 27$ The product must be negative, so: $(-3)(9)=-27$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.