SOLUTION: find the value of r so the line that passes through each pair of points has the given slope. (r,3),(5,9),m=2

Algebra ->  Expressions-with-variables -> SOLUTION: find the value of r so the line that passes through each pair of points has the given slope. (r,3),(5,9),m=2      Log On


   



Question 575406: find the value of r so the line that passes through each pair of points has the given slope.
(r,3),(5,9),m=2

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
find the value of r so the line that passes through each pair of points has the given slope.
(r,3),(5,9),m=2
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For given line:
slope=2=∆y/∆x=rise/run=change in y/ change in x
slope=(9-3)/(5-r)=2
6/(5-r)=2
10-2r=6
2r=10-6=4
r=2