Vertex form Y=a(x-h)^2+kOptions for “which is the correct representation of the vertex of a parabola” are: (x,y), (y,x), (h,k), (k,h),(x,h), (h,x),(y,k), (k,y) Options for “which is the correct representation of the axis of symmetry of a parabola” are: x=y, x=h, x=k, y=h, y=k, x=a, y=a
