Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 5 - Linear Functions - 5-3 Slope-Intercept Form - Practice and Problem-Solving Exercises: 36

Answer

$y = -1.8x + .3$

Work Step by Step

(1.5, -2.4) and (-.5, 1.2) $ y = mx+b$ $ m = (1.2 - -2.4)/(-.5-1.5)$ $m = 3.6 / -2 = -1.8$ $y = mx+b$ $1.2 = -1.8*(-.5) + b$ $1.2 = .9 + b$ $.3 = b$
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