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

The coordinates of the vertex and focus of a parabola are (1,2) and (-1,2) respectively : find its equation.

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

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

Find the equation of the parabola with vertex at (0,0) and focus at (0,2) Also, find the equation of its directrix.

The point (2,2) lies on the parabola (x-3)^2=4a(y-1) find the focus and the equation of the directrix.

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

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

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

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

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