SOLUTION: find the value of r so that the line that passes through each pair of points has the given slope. (6,r), (3,3), m=2

Algebra ->  College  -> Linear Algebra -> SOLUTION: find the value of r so that the line that passes through each pair of points has the given slope. (6,r), (3,3), m=2       Log On


   

Question 908084: find the value of r so that the line that passes through each pair of points has the given slope. (6,r), (3,3), m=2

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
given:
(6,r), =>r=y
(3,3),
m=2)
y=mx%2Bb...m=2)
y=2x%2Bb
use (3,3) to find b

3=2%2A3%2Bb
3=6%2Bb
3-6=b
-3=b
y=2x-3
use (6,r), to find r
y=2%2A6-3 since r=y we have
r=12-3
r=9