SOLUTION: If line P contains points A (–1, 4) and B (3, –5), line q is parallel to line P and line r is perpendicular to line Q, what is the slope of line R?

Algebra ->  Points-lines-and-rays -> SOLUTION: If line P contains points A (–1, 4) and B (3, –5), line q is parallel to line P and line r is perpendicular to line Q, what is the slope of line R?      Log On


   

Question 459573: If line P contains points A (–1, 4) and B (3, –5), line q is parallel to line P and line r is perpendicular to line Q, what is the slope of line R?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The slope of line P = -9/4
Line r is perpendicular so its slope = 4/9