Question

find the equation of parabola if vertex is at (2,1) and the directrix is x=y-1.

Answer 1

if its vertex is at 2 on the x, then that means there was a shift over two from x^2
So the question is how would you write x^3 shifted 2 over

Answer 2

you mean directrix y=-1
or x=-1

Answer 3

maybe start by finding the focus