SOLUTION: find the slope if it exists of the line. (-1,4) (2,-1) is this undefined or m=???

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Question 404986: find the slope if it exists of the line.
(-1,4)
(2,-1)
is this undefined or m=???
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

(-1,4) 

(2,-1)  m = (4-(-1)) / (-1-2) = -(5/3)