Answer
$y=-2x+5.$
Work Step by Step
We know that if the slope of a line is $m$ and it contains $P_1(x_1,y_1)$, then its equation is: $y-y_1=m(x-x_1).$
Hence here: $y-(-1)=-2(x-3)\\y+1=-2x+6\\y=-2x+5.$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 1 - Graphs - Chapter Review - Review Exercises - Page 42: 16
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