which of the following equations represents a parabola that opens down and has a vertex at (3, -1)? Answer choices. A. y= -2(x-3)^2+1 B. y= 2(x-3)^2-1 C. y= -2(x+3)^2-1 D. y= -2(x-3)^2-1
i do believe it is answer c, but not 100% on that due to the fact that when i worked it i got c, but when i googled alot got other answers. sorry i know thats not much help
