Answer
x=10
Work Step by Step
A(2,-3) B(x,5) and m =1
x1=2,y1=-3,x2=x,y2=5
Using slope formula
m = $\frac{y2-y1}{x2-x1}$
1= $\frac{5-(-3)}{x-2}$ = $\frac{8}{x-2}$
x-2=8
x=10
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 10 - Section 10.2 - Graphs of Linear Equations and Slope - Exercises - Page 465: 11a
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