If the vertex and focus of a parabola are `(2,1) and (1,-1)` then its equation is

If (0,4) and (0,2) are respectively the vertex and focus of a parabola, then its equation is

If the vertex and focus of a parabola are (3,3) and (-3,3) respetively,then its equation is

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

If the vertex and focus of a parabola are (3,3) and (-3,3) respectively, then its equation is

If quad and quad are the vertex and focus of a parabola respectively then its equation is

If the vertex and focus of a parabola are (3,3) and (-3,3) respectively, then its equation is

If the vertex and focus of a parabola are (3,3) and (-3,3) respectively, then its equation is

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.