Posted by **Rick** on Tuesday, August 28, 2012 at 9:58pm.

I was assiged a 44 question assigment and I really need some help.I'm stuck on this question:

"Find the coordinates of S for RS if Q is the midpoint and R is an endpoint.

Q(-6,-5),R(-4,4)

- geometry -
**Reiny**, Tuesday, August 28, 2012 at 10:45pm
let the other endpoint be (x,y)

then (x-4)/2 = -6

x-4 = -12

x = -8

(y+4)/2 = -5

y+4 = -10

y = -14

the other endpoint is (-8,-14)

check by taking the midpoint between

(-8,-14) and (-4,4)

- geometry -
**Rick**, Wednesday, August 29, 2012 at 8:28pm
Thanks for your help!!!

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