Please, find the coordinate of the other endpoint of a segment with the given endpoint and midpoint M:
R(2,6)
M(-1,1)
1
Expert's answer
2010-09-28T01:41:00-0400
Let (x,y) be the coordinates of other endpoint. The expressions for the coordinate of midpoint are (x+2)/2=-1 and (y+6)/2=1; thus x=-4; y=-4 The answer: L(-4,-4)
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