If the focus of the parabola `x^2-k y+3=0` is (0,2), then a values of `k` is (are) 4 (b) 6 (c) 3 (d) 2

The focus of the parabola x^2 -2x +8y + 17=0 is :

If the line x-1=0 is the directrix of the parabola y^2-k x+8=0 , then one of the values of k is 1/8 (b) 8 (c) 4 (d) 1/4

Axis of the parabola x^2 - 3y - 6x + 6 = 0 is

Let f(x)=x+2|x+1|+2|x-1|dot If f(x)=k has exactly one real solution, then the value of k is (a) 3 (b) 0 (c) 1 (d) 2

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 S=0 is the equation of the hyperbola x^2+4x y+3y^2-4x+2y+1=0 , then the value of k for which S+K=0 represents its asymptotes is 20 (b) -16 (c) -22 (d) 18

If -i+3 is a root of x^(2)-6x+k=0 . Then the value of k is :

The locus of the midpoint of the segment joining the focus to a moving point on the parabola y^2=4a x is another parabola with directrix (a) y=0 (b) x=-a (c) x=0 (d) none of these

If two lines represented by x^4+x^3y+c x^2y^2-x y^3+y^4=0 bisect the angle between the other two, then the value of c is (a) 0 (b) -1 (c) 1 (d) -6

If two lines represented by x^4+x^3y+c x^2y^2-x y^3+y^4=0 bisect the angle between the other two, then the value of c is (a) 0 (b) -1 (c) 1 (d) -6