someone474 someone474 19-11-2020 Mathematics contestada 2. The radius, r, and the coordinates of the centre, C, of the circle with equation x2 + y2 - 6x + 4y - 12 = 0 are A. r = 5, C(-2,3) B. r = 25, C(2,-3) C. r = 12, C(-3,2) D. r = 5, C(3,-2)