| 1 |
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
|
| 2 |
Equation of axis of the parabola x<sup>2</sup> = 4ay is: |
- A. x = 0
- B. x = a
- C. y = 0
- D. y = a
|
| 3 |
|
- A. Circle
- B. Parabola
- C. Hyperbola
- D. Ellipse
|
| 4 |
If the equation of the parabola is x<sup>2</sup> = 4ay, then opening of the parabola is to _______ of the x-axis: |
- A. Left
- B. Upward
- C. Right
- D. Downward
|
| 5 |
The center of circle x<sup>2</sup> + y<sup>2</sup> + 2gx + 2fy + c = 0 is: |
- A. (-g, -f)
- B. (-f, -g)
- C. (0, 0)
- D. (g, f)
|
| 6 |
The focus of the parabola x2=-4ay is: |
- A. (-a , 0)
- B. (0, a)
- C. (0, -a)
- D. (a, 0)
|
| 7 |
If the equation of the parabola is y2 = 4ax, then opening of the parabola is to the right of the: |
- A. x-axis
- B. y = x
- C. y-axis
- D. x + y =0
|
| 8 |
If the cutting plane is slightly tillted and cuts only one nappe of the cone, then the section is a / an: |
- A. Ellipse
- B. Circular cone
- C. Circle
- D. Point circle
|
| 9 |
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 on the circle only if: |
- A. |CP| < r
- B. |CP| > r
- C. |CP| = r
- D. None of these
|
| 10 |
Two imaginary tangents can be drawn to a circle from any point P(x<sub>1</sub>, y<sub>1</sub>) _______ the circle: |
- A. Inside
- B. On
- C. Outside
- D. None of these
|
