The distance between the foci of the conic 7 x2 - 9 y2 = 63 is equal to
8
4
3
1
If in a hyperbola, the distance between the foci is 10 and the transverse axis has length 8, then the length of its latus rectum is
9
9/2
32/3
64/3
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
2√3
The eccentricity of the hyperbola 9 x2 - 16 y2 - 18 x - 64 y - 199 = 0 is
16/9
5/4
25/16
zero
The equation y2 - 2 y +8 x - 23 = 0 represents.
A pair of straight lines with (1,3) as the common point.
An ellipse with 2 and 4 as semi axes
A parabola with y = 1 as the axis
A parabola with (1,3) as the vertex
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
6
50
32
The eccentricity of the hyperbola is
3/4
3/5
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 equation of a directrix of the ellipse is
3 y = ± 5
y = ± 5
3 y = ± 25
y = ± 3
A parabola has the origin as its focus and the line x = 2 as the directrix. Then, the vertex of the parabola is at
(2,0)
(0,2)
(0,1)
(1,0)