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: 1

Answer

jointly; Joint variation occurs when a quantity varies directly with the product of two or more other quantities. In the equations below, a is a nonzero constant.

Work Step by Step

If z varies directly with the product of x and y, then z is said to vary jointly with x and y.
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