Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter R - Section R.1 - Basic Concepts - R.1 Exercises - Page 10: 12


$w=\{ -7,7 \}$

Work Step by Step

The absolute value of a number is the distance of the number from $0$. Hence, the numbers, $w$, whose absolute value is $7$ are \begin{array}{l}\require{cancel} w=\{ -7,7 \} .\end{array}
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