Answer
$z=-40, z=2xy$
Work Step by Step
We have to plug in our values to the formula to $axy=z$
That yields,
$2*6*a=24$ or the equation is $a=2$
Plugging in $x=-4, y=5$,
$-4*5*2=z$ or $z=-40$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
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: 24
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