Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.1 - Algebraic Expressions, Mathematical Models, and Real Numbers - Concept and Vocabulary Check: 12

Answer

absolute value;$x$;$-x$

Work Step by Step

Absolute value is symbolized by vertical lines $||$. Since the absolute value is the distance from 0 on a number line, positive numbers already represent this distance, and negative numbers (less than 0) represent the negative of this distance.
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.