Question

If P is a reflection (image) of point (3, -3) in the line 2y=x+12 find the coordinates of Point P.

Answer 1

a+b+c=0

-x+2y-12=0

By taking x=0,y=6

substituting

-0+2 (6)-12=0

-0+12-12=0

0=0

The coordinates=(0,6)