snipergang17 snipergang17 19-06-2017 Mathematics contestada The vertex of this parabola is at (2,-4). Which of the following could be its equation? A)y=2(x-2)2 +4 B)y=2(x-2)2 -4 C)y=2(y-4)2 +2 Dy=2(y+4)2 +2