Posted by **Lisa** on Sunday, May 23, 2010 at 9:24pm.

Find the other endpoint of a line segment with the given midpoint and one endpoint.

Endpoint: (0, 0); Midpoint: ( 2, -8)

- math -
**bobpursley**, Sunday, May 23, 2010 at 9:38pm
Think on this: x is twice half the x change 0+2 ,or x endpoint is 2*2: x=4

y endpoint is twice the change from end to mid, or 2*(0-8) or y endpoint is -16

(4,-16)

- math -
**Henry**, Wednesday, June 17, 2015 at 4:56pm
(0,0), (2,-8), (x,y).

2-0 = x-2.

X = 4.

-8-0 = y-(-8).

Y = -16.

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