Question 311069
Determine whether or not the following points are collinear. 
(3,1), (5,5), and (7,9)
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Check the slope between each pair.
If the points are collinear the slopes should be equal.
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Ex:
(5-1)/(5-3) = 4/2 = 2
(9-1)/(7-3) = 8/4 = 2
etc.
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Cheers,
Stan H.