Posted by **Dawn** on Thursday, February 3, 2011 at 6:44pm.

I am trying to find the coordinates of a point in a line. I have one end, and I have the midpoint. What formula should I use to find the one on the end?

The one end is (8,4) and the MIDPOINT is (14, 7). What would I do to find the opposite point?!

thanks!

- math -
**Damon**, Thursday, February 3, 2011 at 6:49pm
(8,4) (14,7) (x, y)

x - 14 = 14 - 8

x = 20

y -7 = 7 - 4

y = 10

(20,10)

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