Answer
$C$
Work Step by Step
Apply power rule of exponents: $(p^a)^b=p^{ab}$
$(3\sqrt 2)^2=(3^2)(\sqrt 2)^2$
$=(9)(\sqrt 2 \times \sqrt2)$
$=9 \times 2$
$=18$
Hence, the correct answer is $C$.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 11 - Rational Expressions and Functions - Cumulative Test Prep - Multiple Choice - Page 710: 17
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