SOLUTION: If M(-3,0) is the midpoint of AB and the coordinates of A are (4,6), find the coordinates of B.

Algebra ->  Length-and-distance -> SOLUTION: If M(-3,0) is the midpoint of AB and the coordinates of A are (4,6), find the coordinates of B.       Log On


   

Question 1084011: If M(-3,0) is the midpoint of AB and the coordinates of A are (4,6), find the coordinates of B.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let point B =
B( x[2], y[2] )
----------------
+%28+-3+%2B+x%5B2%5D+%29+%2F+2+=+4+
+-3+%2B+x%5B2%5D+=+8+
+x%5B2%5D+=+11+
-------------------------
+%28+0+%2B+y%5B2%5D+%29+%2F+2+=+6+
+y%5B2%5D+=+12+
-------------------------
The coordinates of B are:
B( 11,12 )
-------------
check the math