Equation of tangent at the vertex of the parabola `x^(2)+4x+4y+16=0` is

Equation of the tangent at the vertex of the parabola x^(2)+4x+4y+16=0 is

The equation of the tangent at the vertex of the parabola x^(2)+4x+2y=0, is

Equation of tangent at the vertex of parabola x^(2)+8x+4y=0 is

Vertex of the parabola x ^(2) +4x + 2y -7=0 is

If 3x+4y+k=0 represents the equation of tangent at the vertex of the parabola 16x^(2)-24xy^(2)+14x+2y+7=0 , then the value of k is ________ .

If 3x+4y+k=0 represents the equation of tangent at the vertex of the parabola 16x^(2)-24xy^(2)+14x+2y+7=0 , then the value of k is ________ .

The vertex of the parabola y ^(2) -4y-x+3=0 is

The vertex of the parabola x^(2)+y^(2)-2xy-4x-4y+4=0 is at

Vertex of the parabola 2y^(2)+3y+4x-2=0 is