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
Elementary Geometry for College Students (6th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
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
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