Answer: (-8,2)
Step-by-step explanation: Midpoint: (-2,4); Point (4,6).
Manipulating the midpoint formula: (x1+x2)/2 ,(y1+y2)/2 = (-2,4)
Assign x1 and y1 for point A: x1 = 4 and y1 = 6
(4+x2)/2 = -2 and (6+y2)/2 = 4
Solve for x2 and y2
