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January 27, 2015

January 27, 2015

Posted by **Stephanie** on Wednesday, September 28, 2011 at 2:06pm.

- geometry -
**Steve**, Wednesday, September 28, 2011 at 3:20pmThe midpoint of a line segment is just halfway from A to B. So, the coordinates are just the average of the endpoints.

If C = midpoint of AB then

C = ((3x+5 + x-1)/2,(3y + -y)/2)

= ((4x+4)/2,2y/2) = (2x+2,y)

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