snipergang17 snipergang17 19-06-2017 Mathematics contestada The vertex of this parabola is at (5,-4). Which of the following could be its equation? A) y=2(x+5)2 +4 B) y=2(x+5)2 -4 C) y=2(x-5)2 +4 D)y=2(x-5)2 -4