SOLUTION: POINTS (r, -2) AND (-7, -1) ARE ON A LINE WITH SLOPE m=-1/4. Find the value of r.

Algebra ->  Linear-equations -> SOLUTION: POINTS (r, -2) AND (-7, -1) ARE ON A LINE WITH SLOPE m=-1/4. Find the value of r.      Log On


   

Question 706084: POINTS (r, -2) AND (-7, -1) ARE ON A LINE WITH SLOPE m=-1/4. Find the value of r.
Answer by josgarithmetic(39620) About Me  (Show Source):