SOLUTION: determine if points (0,6),(2,12),and(-3,-3)are colllinear

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Question 552944: determine if points (0,6),(2,12),and(-3,-3)are colllinear
Answer by reviewermath(1029) About Me  (Show Source):
You can put this solution on YOUR website!
The slope of (0,6) and (2,12) is %2812-6%29%2F%282-0%29=3.
The slope of (0,6) and (-3,-3) is %28-3-6%29%2F%28-3-0%29=3.
The slope of (2,12) and (-3,-3) is %28-3-12%29%2F%28-3-2%29=3.
The slopes of all pairs of points are equal, therefore the points are collinear.