Answer
$17$
Work Step by Step
As written on page 37, the principle square root of $a^{2}$ is the absolute value of $a$.
$\sqrt{(-17)^{2}}$
$=\sqrt{289}$
$=17$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.3 - Page 48: 12
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