Answer
a) $x^4y=c$
b) $x^4y/z=c$
Work Step by Step
a)
$x^4y=c$
b)
$x^4y/z=c$
We divide by $z$ since $c$ is a constant (and direct variation is a constant multiplied by a variable equal to another variable).
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 11 - Rational Expressions and Functions - 11-6 Inverse Variation - Practice and Problem-Solving Exercises - Page 692: 49
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