Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 9 - Review Exercises - Page 637: 33

Answer

$\log_2 3+\log_2 x+2\log_2y$

Work Step by Step

Using the properties of logarithms, the given expression, $ \log_23xy^2 $, is equivalent to \begin{align*}\require{cancel} & \log_2 3+\log_2 x+\log_2y^2 &(\text{use }\log_b (xy)=\log_b x+\log_b y) \\&= \log_2 3+\log_2 x+2\log_2y &(\text{use }\log_b x^y=y\log_b x) .\end{align*} Hence, the expression $ \log_23xy^2 $ is equivalent to $ \log_2 3+\log_2 x+2\log_2y $.
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