Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-3 Real Numbers and the Number Line - Practice and Problem-Solving Exercises - Page 20: 14



Work Step by Step

When there are fractions within a square root, we take the square root of the numerator and the denominator separately and then solve. The square root of 25 is 5 and the square root of 81 is 9, so we find that $\sqrt (25/81)=5/9.$
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