Find the focus and directrix of the parabola `3x^2 + 12x + 8y=0`.

Find the vertex, focus and directrix of the parabola x^(2) + 4x + 2y -7 = 0 .

Focus and directrix of the parabola x ^(2) =-8ay are

Find the vertex, focus and directrix of the parabola x^(2)=2(2x+y) .

Find the vertex, focus and directrix of the parabola x^(2)=2(2x+y) .

Find the vertex,focus and directrix of the parabola 4y^(2)+12x-12y+39=0

Find the vertex, focus, latus-rectum axis and directrix of the parabola x^(2) - y - 2x = 0.

The directrix of the parabola y^(2) = 12x, "is " x - 3 .

Find the vertex , focus , latusrectum, axis and the directrix of the parabola x^2+8x+12y+4=0 .

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