| 1 |
The number e denotes the _________ of the conic: |
- A. Directrix
- B. Vertex
- C. Focus
- D. Eccentricity
|
| 2 |
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
|
| 3 |
If the cutting plane is parallel to the axis of the cone and intersects both of its nappes, then the section a / an: |
- A. Parabola
- B. Hyperbola
- C. Ellipse
- D. None of these
|
| 4 |
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
|
| 5 |
Length of tangent from (0,1) to x<sup>2</sup> + y<sup>2</sup> + 6x - 3y + 3 = 0 |
|
| 6 |
The radius of circle x<sup>2</sup> + y<sup>2</sup> + ax + by + c = 0 is: |
|
| 7 |
The graph of the parabola x<sup>2</sup> = -4ay is symmetric about: |
- A. x-axis
- B. major axis
- C. y-axis
- D. minor axis
|
| 8 |
The set of all points in the plane that are equally distant from a fixed point is called a / an: |
- A. Circle
- B. Circular cone
- C. Ellipse
- D. Point circle
|
| 9 |
The two parts of a right circular cones are called: |
- A. Nappes
- B. Apex of the cone
- C. Generator
- D. Vertex
|
| 10 |
The point where the axis meets the parabola is called ________ of the parabola: |
- A. Directrix
- B. Vertex
- C. Focus
- D. Eccentricity
|
