SOLUTION: Find the slope if it exists, of the line containing the pair of points: (4, 2) and (5, -2) I got 4 is that correct?

Algebra ->  Linear-equations -> SOLUTION: Find the slope if it exists, of the line containing the pair of points: (4, 2) and (5, -2) I got 4 is that correct?      Log On


   

Question 427399: Find the slope if it exists, of the line containing the pair of points:
(4, 2) and (5, -2)
I got 4 is that correct?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Using the point-slope formula, m+=%28y%5B2%5D+-+y%5B1%5D%29%2F%28x%5B2%5D+-+x%5B1%5D%29

(4, 2) and 

(5, -2)   m = 4/-1 = -4

 Always important to watch the signs.

Line  y = -4x  for example slants to the left

Line  y = 4x slants to the right