Answer
y=3x-2
Work Step by Step
You are given the points (1,1) and (3,7).Use this to form an equation:
Find the slope:
M:$\frac{7-1}{3-1}$
M:3
Find b:
y=mx+b
1=3(1)+b
1=3+b
b=-2
Plug all the values into the slope-intercept form so y=3x-2.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 5 - Linear Functions - 5-6 Parallel and Perpendicular Lines - Practice and Problem-Solving Exercises - Page 335: 44
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