SOLUTION: show that the points (6,7)(2,3)(4,5) lie on a straight line

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Question 627931: show that the points (6,7)(2,3)(4,5) lie on a straight line
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

show that the points (6,7)(2,3)(4,5) lie on a straight line:

examining slopes m+=%28y%5B2%5D+-+y%5B1%5D%29%2F%28x%5B2%5D+-+x%5B1%5D%29

(6,7)

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

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

by plotting points: