SOLUTION: find the value of R so taht the line through (3, 13) and (R, -5) has a slope of 8

Algebra ->  Coordinate-system -> SOLUTION: find the value of R so taht the line through (3, 13) and (R, -5) has a slope of 8      Log On


   

Question 418959: find the value of R so taht the line through (3, 13) and (R, -5) has a slope of 8
Found 2 solutions by sudhanshu_kmr, rfer:
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!

13+5 / 3- R = 8
=> 18 = 24 - 8R
=> R = 6/8
R = 3/4


Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
8=(-5-13)/(R-3)
8(r-3)=-18
8R-24=-18
8R=6
R=6/8
R=3/4