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 $y=3xz^3$.
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 9 - Section 9.4 - Variation and Problem Solving - Exercise Set - Page 664: 37
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