Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 1 - Linear Functions - 1.5 Finding Equations of Lines - 1.5 Exercises - Page 76: 34



Work Step by Step

Two points: (-8,-3) and (-12,-15) To find the slope, we must compute (y2-y1)/(x2-x1): (-15-(-3))/(-12-(-8)) = -12/-4 = 3 = m Now we plug in a point into y=mx+b y=mx+b 3=4(-8)+b 3=-32+b 35=b and so our line is y=4x+35
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