Answer
$6\sqrt{x}$
Work Step by Step
Use $36=6^2$.
$\sqrt{36x}=\sqrt{6^2x}$
Use $\sqrt{a\cdot b}=\sqrt{a}\cdot \sqrt{b}$ to obtain:
$=\sqrt{6^2}\sqrt{x}$
Simplify.
$=6\sqrt{x}$
Hence, the correct answer is $6\sqrt{x}$.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Appendix A - Review - A.10 nth Roots; Rational Exponents - A.10 Assess Your Understanding - Page A88: 23
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