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 - Practice - Page 712: 1


$\frac{7\sqrt 2}{2}$

Work Step by Step

To rationalize we must get rid of the square root in the denominator. We can do this by multiplying the square root of 2 with the numerator and the denominator. $\frac{7}{\sqrt 2}\times\frac{\sqrt 2}{\sqrt 2}=\frac{7\sqrt 2}{2}$
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