Which of the following equations is of a parabola with a vertex at (0, 3)?y = (x - 3) 2y = (x + 3) 2y = x 2 - 3y = x 2 + 3

The formula for a parabola is (y-k)=(x-h)^2, or y = (x-h)^2 + k, where (h,k) is the vertex. If h=0 and k=3, then the parabola would be y = x^2 + 3