Question

(0ˏ1) directrix of y=−1 whats he answer

Answer 1

I think you'd get quicker and better responses if you'd describe the problem to the very best of your ability.

Experience tells me that your problem statement probably reads like this:

Given that the focus of a parabola is (0,1) and that the equation of the directrix is y=-1, write the equation of the parabola.

What's the general form for the equation of a horizontal parabola when the focus and directrix are known?