Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 11 - Rational Expressions and Functions - Chapter Review: 27

Answer

Therefore, our equation for the inverse variation is y=21/x or xy=21

Work Step by Step

Our equation for an inverse variation is y=k/x or xy=k. We will use the second form of the equation to solve for k. 3×7=k 21=k k=21 Therefore, our equation for the inverse variation is y=21/x or xy=21
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