SOLUTION: The midpoint of JK is (-4,1). If J has coordinates (6,2) and K has coordinates (x,y), which equation can be used to find x?

Algebra ->  Length-and-distance -> SOLUTION: The midpoint of JK is (-4,1). If J has coordinates (6,2) and K has coordinates (x,y), which equation can be used to find x?      Log On


   

Question 846589: The midpoint of JK is (-4,1). If J has coordinates (6,2) and K has coordinates (x,y), which equation can be used to find x?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The midpoint is the average of the x and y values.
x%5Bm%5D=%28x%5B1%5D%2Bx%5B2%5D%29%2F2=%286%2Bx%29%2F2=-4
6%2Bx=-8
x=-14
y%5Bm%5D=%28y%5B1%5D%2By%5B2%5D%29%2F2=%282%2By%29%2F2=1
2%2By=2
y=0
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