Point A (-4, 1) is in the standard (x,y) coordinate plane. What must be the coordinates of point B so that the line x = 2 is the perpendicular bisector of AB?
Length AF = 4 + 2 = 6 units.
So, BF = 6 units
DB = x
DF + FB = DB = x
2 + 6 = x
x = 8 units
y = 1 unit
So, coordinates of B = (8, 1)