Answer
$y=2x-1$
Work Step by Step
Use the slope formula $m=\frac{y^2-y^1}{x^2-x^1}$ and the point-slope form $y-y_1=m(x-x_1)$ to solve this problem.
Passing through $(3,5)$ and $(8,15)$
$\frac{15-5}{8-3}=2$
$y-5=2(x-3)$
$y-5=2x-6$
$y=2x-1$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 2 - Functions and Graphs - Exercise Set 2.3 - Page 255: 26
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