SOLUTION: If P=(4,-1) is the midpoint of the segment AB where A=(2,5), find B.

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Question 814604: If P=(4,-1) is the midpoint of the segment AB where A=(2,5), find B.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Midpoint Pt(x,y):  ( %28x%5B1%5D+%2B+x%5B2%5D%29%2F2, %28y%5B1%5D+%2B+y%5B2%5D%29%2F2++%29)

P=(4,-1) is the midpoint of the segment AB where A=(2,5), 

find B.  %282+%2B+x%5B2%5D%29%2F2= 4   and %285+%2B+y%5B2%5D%29%2F2= -1

B is P(6,-7)