Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - Chapter 2 Review Problem Set: 23

Answer

$= 1$

Work Step by Step

We first multiply the numerators and the denominators of the fractions by each other. Then, we simplify the fractions to obtain: $(\frac{-4y}{3x})(-\frac{3x}{4y})$ $(\frac{-4y}{3x})(\frac{-3x}{4y})$ $= \frac{-4y(-3x)}{3x(4y)}$ $= \frac{12xy}{12xy}$ $= 1$
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