If the line x = 1/2, is the directrix of a parabola y2 – kx + 6 = 0, then which of the following is a value of ‘k’?
A. 
– 4
B. 
– 6
C. 
– 1/4
D. 
– 8
2.
Equations x = t2+t+1 and y = t2 – t +1, represents which of the following curve?
A. 
An ellipse
B. 
A pair of straight
C. 
A hyperbola
D. 
A parabola
3.
Angle between tangents drawn from the point (2, 1) to the parabola y2 = – 32x is:
A. 
B. 
C. 
D. 
4.
A parabola has the origin at it focus and the line x = 2 as its directrix. Then the vertex of the parabola will be at:
A. 
(2, 0)
B. 
(0, 2)
C. 
(1, 0)
D. 
(0, 1)
5.
The eccentricity of the ellipse with its centre at the origin is 1/2. If one of the directrix is x = 4, then which of the following correctly represent the equation of ellipse.
A. 
B. 
C. 
D. 
6.
The number of values of c such that the straight line y = 4x + c touches the curve ;is:
A. 
4
B. 
0
C. 
Infinite
D. 
2
7.
Tangents are drawn to the ellipse at the end of the latus retum. The area of the quadrilateral so formed is:
A. 
54
B. 
27
C. 
27/2
D. 
36
8.
If x = 9 is the chord of the contact of the hyperbola x2 – y2 = 9, then the equation of the corresponding pair of tangents is
A. 
B. 
C. 
D. 
9.
2x + √6 y = 2 touches the hyperbola x2 – 2y2 = 4, then the point of contact is: