SOLUTION: if you have the corridents (1, 6) (4,r) and m=3 how do you find r

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Question 240417: if you have the corridents (1, 6) (4,r) and m=3 how do you find r
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(1, 6) (4,r) and m=3
SLOPE=(Y2-Y1)/X2-X1)
3=(R-6)/(4-1)
3=(R-6)/3
R-6=3*3
R-6=9
R=9+6
R=15 ans.
PROOF:
3=(15-6)/4-1)
3=9/3
3=3