## Introductory Algebra for College Students (7th Edition)

Published by Pearson

# Chapter 8 - Section 8.4 - Rationalizing the Denominator - Exercise Set: 4

#### Answer

$\sqrt7$

#### Work Step by Step

$\frac{7}{\sqrt{7}}$ Rationalize the denominator, $\frac{7}{\sqrt{7}}\times\frac{\sqrt{7}}{\sqrt{7}}$ Simplify. $\frac{7\sqrt{7}}{7}$ Reduce. Divide the numerator and denominator by greatest common factor of 7. $\sqrt7$

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