Find the focus of the parabola (x−2)2=8(y+1)(x - 2)^2 = 8(y + 1)(x−2)2=8(y+1).
(2,1)(2, 1)(2,1)
(2,−1)(2, -1)(2,−1)
(2,0)(2, 0)(2,0)
(0,2)(0, 2)(0,2)