Answer
true
Work Step by Step
RECALL:
The absolute value of a number $a$ is defined as:
$|a| = a$ if $a \ge 0$
$|a| = -a$ if $a \lt 0$
Thus,
$|25| = 25
\\|-25| = -(-25) = 25$
Therefore
$|25| = |-25|$
The statement is true.
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter R - Review of Basic Concepts - R.2 Real Numbers and Their Properties - R.2 Exercises - Page 21: 99
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