College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter R - Section R.8 - nth Roots; Rational Exponents - R.8 Assess Your Understanding: 76

Answer

$-\frac{1}{5}$

Work Step by Step

We simplify: $-25^{-1/2}=-(\displaystyle \frac{1}{25})^{1/2}=-\sqrt{\frac{1}{25}}=-\frac{1}{5}$
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