Consider the parabola `P` touching x-axis at (1,0) and y-axis (0,2). Directrix of parabola `P` is : (A) `x-2y=0` (B) `x+2y=0` (C) `2x-y=0` (D) `2x+y=0`

A parabola touches the coordinate axes at (25/3, 0) and (0, 25/4) . Equation of directrix of parabola is : (A) x+2y=0 (B) 2x+y=0 (C) 3x+4y=0 (D) 4x+3y=0

The directrix of the parabola x^2-4x-8y + 12=0 is

The directrix of the parabola x^2-4x-8y + 12=0 is

The directrix of the parabola x^2-4x-8y + 12=0 is

Find th equations of axis and directrix of the parabola 4x^(2) +12x-20y+67=0

The image of line 2x+y=1 in line x+y+2=0 is : (A) x+2y-7=0 (B) 2x+y-7=0 (C) x+2y+7=0 (D) 2x+y+7=0

The focus of the parabola y^(2)-x-2y+2=0 is

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

A movable parabola touches x-axis and y-axis at (0,1) and (1,0). Then the locus of the focus of the parabola is :

sin^2 theta= (4xy)/(x+y)^2 is true if and only if (A) x-y!=0 (B) x=-y (C) x+y!=0 (D) x!=0,y!=0