The length of latus rectum of the parabola x2 = - 16y is
- 16
- 4
16
4
The equation of the parabola with its vertex at (1 , 1) and focus (3 , 1) is
(x - 1)2 = 8 (y - 1)
(y - 1)2 = 8 ( x - 3)
(y - 1)2 = 8 (x - 1)
(x - 3)2 = 8 ( y - 1)
The eccentricity of the ellipse 4x2 + 9y2 = 36 is
1/2√3
1/√3
√5/3
√5/6
The equation of the director circle of the hyperbola is
x2 + y2 = 4
x2 + y2 = 12
x2 + y2 = 16
x2 + y2 = 20
If the line y = mx + k touches the parabola x2 = 4ay, then the value of k is
a/m
am
am2
-am2
The tangents drawn at the extremities of a focal chord of a parabola.
Are parallel
Intersect on the directrix
Intersect at angle of 45o
Intersect on the tangent at the vertex
The eccentricity of the hyperbola 4x2 - 5y2 = 20 is
3/√5
√5/2
√5
5√5
The distance between the foci of an ellipse is 16 and eccentricity is 1/2.The length of the major axis of ellipse is
8
64
32
The equation of directrix of parabola y2 = 12 x is
3
-3
-4
If the major axis of an ellipse is 3 times its minor axis, then its eccentricity is
2/3
√2/3
2√2/3
4√2/3
