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9 votes
9 votes
Suppose A is (-2,4) and M is (3,1) and M is the Midpoint of AB, find the coordinates of AB

User Matthijs Mennens
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1 Answer

15 votes
15 votes
(8, -2)

Use midpoint formula
(x1+x2)/2 , (y1+y2)/2

(-2+x)/2=3
-2+x=6
x=8

(4+y)/2=1
4+y=2
y=-2
User Bookthief
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