Elementary Geometry for College Students (6th Edition)

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

Chapter 10 - Section 10.2 - Graphs of Linear Equations and Slope - Exercises - Page 450: 13b

Answer

x =15

Work Step by Step

A(x,-1) B(3,5) and m =-0.5 x1=x,y1=-1,x2=3,y2=5 Using slope formula m = $\frac{y2-y1}{x2-x1}$ -0.5= $\frac{5-(-1)}{3-x}$ = $\frac{6}{3-x}$ -0.5 * (3-x)=6 0.5x=6+1.5 x =15
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