Answer
-17
Work Step by Step
We know that $\sqrt 289=17$, because $17^{2}=289$.
Therefore, $-\sqrt 289=-(17)=-17$.
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
Published by
Pearson
ISBN 10:
0321969359
ISBN 13:
978-0-32196-935-4
Chapter 7 - Review Exercises - Page 497: 2
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