SOLUTION: the midpoint of kl is m (5,-7).one endpoint is k (9,-7)find the coordinates of the other endpoint l

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Question 840950: the midpoint of kl is m (5,-7).one endpoint is k (9,-7)find the coordinates of the other endpoint l
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Midpoints are averages of x and y values.
x%5Bm%5D=%28x%5B1%5D%2Bx%5B2%5D%29%2F2=5
%289%2Bx%5B2%5D%29%2F2=5
9%2Bx%5B2%5D=10
x%5B2%5D=1
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y%5Bm%5D=%28y%5B1%5D%2By%5B2%5D%29%2F2=-7
%28-7%2By%5B2%5D%29%2F2=-7
-7%2By%5B2%5D=-14
y%5B2%5D=-7
The other point is (1,-7).
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