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September 18, 2014

September 18, 2014

Posted by **drew** on Wednesday, March 28, 2012 at 9:49am.

1. Endpoint:(-1, 9), midpoint: (-9, -10)

2. Endpoint: (2, 5), midpoint: (5, 1)

3. Endpoint:(9, -10), midpoint: (4, 8)

- trig -
**Reiny**, Wednesday, March 28, 2012 at 11:20amI will do the 2nd

You do the others the same way....

Let the other endpoint be (x,y)

(x+2)/2 = 5 and (y+5)/2 = 1

x+2 = 10 and y+5 = 2

x = 8 and y = -3

the other endpoint is (8,-3)

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