Which equation represents a parabola with vertex (1,−2)(1, -2)(1,−2) and focus (1,0)(1, 0)(1,0)?
y=(x−1)2−2y = (x-1)^2 - 2y=(x−1)2−2
x=(y+2)2+1x = (y+2)^2 + 1x=(y+2)2+1
y=18(x−1)2−2y = \frac{1}{8}(x-1)^2 - 2y=81(x−1)2−2
y=12(x−1)2−2y = \frac{1}{2}(x-1)^2 - 2y=21(x−1)2−2