If the focus and the vertex of a parabola are (2,3) and (-1,1) respectively, then the directrix is :

If focus and vertex of a parabola are respectively (1,-1) and (2,1), then its directrix is

vertex and focus of a parabola are (-1,1) and (2,3) respectively.find the equation of the directrix.

If the coordinates of vertex and focus of a parabola be (2,1) & (2,3) respectively, then the axis of the parabola will be

vertex and focus of a parabola are (-1,1) and (2,3) respectively. find the equation of the directrix.

vertex and focus of a parabola are (-1,1) and (2,3) respectively. find the equation of the directrix.

The focus and directrix of a parabola are (1,-1) and x+y+3=0. Its vertex is

If the focus of the parabola is (-2,1) and the directrix has the equation x+y=3 then the vertex is

The vertex of the parabola is (4,0) and the y -axis is the directrix. Then the focus is

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

the focus and directrix of a parabola are (1 2) and 2x-3y+1=0 .Then the equation of the tangent at the vertex is