Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.5 - Rationalizing Numerators and Denominators of Radical Expressions - Exercise Set: 64

Answer

The numerator, $\sqrt 5$, must be multiplied by $\sqrt 5$ to make the numerator a rational number, 5. When either the numerator or the denominator is multiplied by a particular factor, the other number must be multiplied by the same factor to make sure that the numerical value of the fraction does not change.

Work Step by Step

When either the numerator or the denominator is multiplied by a particular factor, the other number must be multiplied by the same factor to make sure that the numerical value of the fraction does not change.
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