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is the three points on a line? and how do i figure that out??

(-2,1)  (-1,0)  (2,-2)

 Feb 28, 2015

Best Answer 

 #2
avatar+28029 
+5

Alternatively, you could plot a graph:

Points

.

 Mar 1, 2015
 #1
avatar+101431 
+5

Take the slope between the first two.....and then the slope between the first and last.....if these are equal, the points are on the same line.

 

 Mar 1, 2015
 #2
avatar+28029 
+5
Best Answer

Alternatively, you could plot a graph:

Points

.

Alan Mar 1, 2015

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