Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 8 Rational Functions - 8.1 Model Inverse and Joint Variation - 8.1 Exercises - Skill Practice - Page 555: 17



Work Step by Step

We have to plug in our values to the formula to $xy=k$ That yields, $-4*5/(-4)=5$ or the equation is $xy=5$ Plugging in $x=3$, $3y=5$ or $y=5/3$
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