SOLUTION: The midpoint of CD is E(-1, 0). One endpoint is C(5, 2). What are the other coordinates of the other endpoint?

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Question 1092904: The midpoint of CD is E(-1, 0). One endpoint is C(5, 2). What are the other coordinates of the other endpoint?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
The midpoint is half way from one x coordinate to the other and half way from one y coordinate to the other.
x: 5+some number/2=-1
5+some number=-2
some number=-7
y: 2+some number/2=0
2+some number=0
some number=-2
(-7, -2)