The directrix of the parabola y2 + 4 x + 3 = 0 is
x - 4/3 = 0
x + 1/4 = 0
x - 3/4 = 0
x - 1/4 = 0
The eccentricity of the hyperbola 9 x2 - 16 y2 - 18 x - 64 y - 199 = 0 is
16/9
5/4
25/16
zero
If the foci and vertices of an ellipse be (±1,0) and (±2,0) then the minor axis of the ellipse is
2√5
2
4
2√3
Length of major axis of ellipse 9 x2 + 7 y2 = 63 is
3
9
6
2√7
The sum of the distances of a point (2,-3) from the foci of an ellipse 16 (x - 2)2 + 25 (y - 3)2 = 400 is
8
50
32
Vertex of the parabola 9 x2 - 6 x + 36 y + 9 = 0 is
(1/3, -2/9)
(-1/3, -1/2)
(-1/3, 1/2)
(1/3, 1/2)
The sum of the focal distance from any point on the ellipse 9 x2 + 16 y2 = 144 is
A focus of an ellipse is at the origin. The directrix is the line x = 4 and the eccentricity is 1/2, then length of semi major axis is
5/3
8/3
2/3
4/3
The distance between the foci of the conic 7 x2 - 9 y2 = 63 is equal to
1
The equation of a directrix of the ellipse is
3 y = ± 5
y = ± 5
3 y = ± 25
y = ± 3
