It is known that the center of circle C is on the straight line y = 2x + 6 and passes through points a (0. - 1), B (- 2,3). Find the vertical bisector of line a and B

It is known that the center of circle C is on the straight line y = 2x + 6 and passes through points a (0. - 1), B (- 2,3). Find the vertical bisector of line a and B

y=-(1/2)x+6