Algebra 1

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: 17


$y=\frac{5}{2}x$ $y=30$ when $x=12$

Work Step by Step

$y=kx$ Substitute $x$ with $2$ and $y$ with 5 $5=2k$ $k=5/2$ $y=5x/2$ $y=5(12)/2$ $y=30$
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