| 1 |
The radius of circle x<sup>2</sup> + y<sup>2</sup> + ax + by + c = 0 is: |
|
| 2 |
The focus of the parabola x2=-4ay is: |
- A. (-a , 0)
- B. (0, a)
- C. (0, -a)
- D. (a, 0)
|
| 3 |
The curves obtained by cutting a __________ double right circular cone by a _______ are called conics: |
- A. Straight line
- B. Plane
- C. Curve
- D. None of these
|
| 4 |
Length of tangent from (0,1) to x<sup>2</sup> + y<sup>2</sup> + 6x - 3y + 3 = 0 |
|
| 5 |
Two circles of radius 3 cm and 4 cm touch each other externally. The distance between their centers is: |
- A. 1 cm
- B. 7cm
- C. 4cm
- D. 5cm
|
| 6 |
the focal chord perpendicular to the axis of the parabola is called _____________ of the parabola: |
- A. Directrix
- B. Latus rectum
- C. Focus
- D. Focal chord
|
| 7 |
The radius of point circle is: |
|
| 8 |
A circle is of radius 5 cm, the distance of a chord 8 cm long from its center is: |
- A. 4 cm
- B. 3cm
- C. 2.5cm
- D. 3.4cm
|
| 9 |
Two arcs of two different circles are congruent if: |
- A. The circles are congruent
- B. The corresponding central angles are congruent
- C. Both a and b
- D. None of the above
|
| 10 |
|
- A. Circle
- B. Parabola
- C. Hyperbola
- D. Ellipse
|
