Algebra 2 (1st Edition)

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

Chapter 8 Rational Functions - Mixed Review of Problem Solving - Lessons 8.1-8.3 - Page 572: 5


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Work Step by Step

We are given $xy=a$ where $a$ is a constant. Finding a, $a=4\times5=20$ The equation becomes $xy=20$ Substituting $x=10$, we have: $y=\frac{20}{10}=2$
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