Question

the vertex of the parabola below is at the (5-3). which of these equations could be the one for the parabola

Answer 1

parabola with vertex (h,k)
will look something like this:
y=a(x-h)^2+k

Answer 2

you can expand it if your answer is in the form ax^2+bx+c=y

Answer 3

you have not shown the parabola