Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 9 - Section 9.4 - Variation and Problem Solving - Exercise Set: 37

Answer

The constant of variation is $3$. The variation equation is $y=3xz^3$.

Work Step by Step

$y=kxz^3$ $y=120;x=5;z=2$ $120=k(5)(2)^3$ $120=k(40)$ $k=3$ $y=3xz^3$ The constant of variation is $3$. The variation equation is $y=3xz^3$.
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