Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 7 - Section 7.2 - Multiplying and Dividing Rational Expressions - Practice: 1

Answer

a. $\frac{16y}{3x^2}$ b. $\frac{-2a^2}{9b}$

Work Step by Step

a. $\frac{16y}{3}\times\frac{1}{x^2}$ $=\frac{16y\times1}{3\times x^2}$ $=\frac{16y}{3x^2}$ b. $\frac{-5a^3}{3b^3}\times\frac{2b^2}{15a}$ $=\frac{-5a^3\times 2b^2}{3b^3\times 15a}$ $=\frac{-10a^3b^2}{45ab^3}$ $=\frac{-2a^2}{9b}$
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