Answer
Direct Variation Equation - $y=5x$
$y=60$ when $x=12$
Work Step by Step
$y=kx$
Substitute $x$ with $2$ and $y$ with $-10$
$-10=2k$
$k=5$
$y=5x$
$y=5(12)$
$y=60$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 5 - Linear Functions - Chapter Review - 5-2 Direct Variation - Page 350: 15
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