| 1 |
The axis of the parabola x<sup>2</sup> = 4ay is: |
- A. x = 0
- B. x = -a
- C. y = 0
- D. y = -a
|
| 2 |
If equation of circle is (x - h)<sup>2</sup> + (y - k)<sup>2</sup> = r<sup>2</sup>, then center of a circle: |
- A. (-h, -k)
- B. (h, k)
- C. (-h, k)
- D. (h, -k)
|
| 3 |
If r is the radius of any circle and C its center, then any point P(x<sub>1</sub>, y<sub>1</sub>) lies outside the circle only if: |
- A. |CP| < r
- B. |CP| = r
- C. |CP| > r
- D. None of these
|
| 4 |
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
|
| 5 |
The ratio between the measure of the radial segment and the diameter of a circle is: |
- A. 2 : 1
- B. 4 : 3
- C. 1 : 2
- D.
|
| 6 |
If the focus lies on the y - axis with coordinates F(0, a) and directrix of the parabola is y = -a, then the equation of parabola is: |
- A. x<sup>2</sup> = 4ay
- B. -x<sup>2</sup>= 4ay
- C. -y<sup>2</sup>= 4ax
- D. y<sup>2</sup>= 4ax
|
| 7 |
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
|
| 8 |
The equation x<sup>2</sup> + y<sup>2</sup> + 2x + 3y = 10 represents a: |
- A. A pair of lines
- B. Circle
- C. Ellipse
- D. Hyperbola
|
| 9 |
A chord containing the center of the circle is called ______ of the circle: |
- A. Diameter
- B. Chord
- C. Radius
- D. None of these
|
| 10 |
The equation of the latus-rectum of the parabola y<sup>2</sup> = 4ax is: |
- A. x = a
- B. x = -a
- C. y = a
- D. y = -a
|
