SOLUTION: The midpoint of AB ___ is M(4,2). If the coordinates of A are (6,4), what are the coordinates of B?

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Question 883298: The midpoint of AB
___
is M(4,2). If the coordinates of A are (6,4),
what are the coordinates of B?

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The midpoint of AB
___
is M(4,2). If the coordinates of A are (6,4),
what are the coordinates of B?
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Let the coordinates of "B" be (x,y)::
Equations:
(x + 6)/2 = 4 ; So x+6 = 8 ; So x = 2
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(y+4)/2 = 2 ; So y+4 = 4 ; So y = 0
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Ans: B = (2,0)
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Cheers,
Stan H.
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