Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 10 - Review Exercises - Page 485: 9



Work Step by Step

Given A(2,1) B(x,3), m=-3 Slope formula m = $\frac{y2-y1}{x2-x1}$ -3= $\frac{3-1}{x-2}$ -3=$\frac{2}{x-2}$ -3x+6 =2 x=$\frac{4}{3}$
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