SOLUTION: J is the midpoint of KL The coordinates of J are (-8,7)and the coordinates of K are (3,4) find the coordinates of L.

Algebra ->  Length-and-distance -> SOLUTION: J is the midpoint of KL The coordinates of J are (-8,7)and the coordinates of K are (3,4) find the coordinates of L.      Log On


   



Question 408730: J is the midpoint of KL The coordinates of J are (-8,7)and the coordinates of K are (3,4) find the coordinates of L.
Answer by Adrish(44) About Me  (Show Source):
You can put this solution on YOUR website!
Solution: STEP 1:Let the coordinates of L be (x,y). Then use the Midpoint formula to solve for x and y
(3 + x)/2 = -8 and (4+ y)/2 = 4
3 + x = -16 and 4 + y =8
x = -16 -3 and y = 8 - 4
x= -19 and y= 4
Therefore the coordinates of L are (-19,4)