Question

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

Answer 1

general vertex form is

y=a(x-h)^2 +k

where (h,k) is the vertex

Answer 2

c'mon its up to zombash to work that out

Answer 3

@Haseeb96