Answer
$y-1=2(x-2)$
Work Step by Step
The point-slope form of the line is $y-y_{1}=m(x-x_{1})$
Given: $m=2$, $(x_{1},y_{1})=(2,1)$
Substituting the values, we get $y-1=2(x-2)$
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 4 - Writing Linear Functions - 4.2 - Writing Equations in Point-Slope Form - Exercises - Page 185: 3
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