| 1 |
If the radius of a circle is zero, then the circle is called a / an: |
- A. Circle
- B. Circular cone
- C. Ellipse
- D. Point circle
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| 2 |
The center of circle (x+3)<sup>2</sup> + (y-2)<sup>2</sup> = 16 equals: |
- A. (-3, 2)
- B. (3, -2)
- C. (3, 2)
- D. (-3, -2)
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| 3 |
The opening of the parabola y<sup>2</sup> = -4ax is to the left of the: |
- A. x-axis
- B. x = 1
- C. y-axis
- D. x = 0
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| 4 |
Point p (-5, 6) lies ............ the circle x<sup>2</sup> + y<sup>2</sup> + 4x - 6y - 12 = 0 |
- A. Outside
- B. Inside
- C. On
- D. None of these
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| 5 |
The fixed point of the conic is called: |
- A. Directrix
- B. Vertex
- C. Focus
- D. None of these
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| 6 |
The point where the axis meets the parabola is called ________ of the parabola: |
- A. Directrix
- B. Vertex
- C. Focus
- D. Eccentricity
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| 7 |
A line segment whose end points lie on the circle is called a __________ of the circle. |
- A. Radius
- B. Chord
- C. Diameter
- D. None of these
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| 8 |
The vertex of the parabola y<sup>2</sup> = 4ax is: |
- A. (-a, 0)
- B. (a, 0)
- C. (0, -a)
- D. (0, 0)
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| 9 |
The vertex of the parabola y<sup>2</sup> = -4ax is: |
- A. (-a, 0)
- B. (a, 0)
- C. (0, -a)
- D. (0, 0)
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| 10 |
If the cone is cut by a plane perpendicular to the axis of the cone, then the section is a / an: |
- A. Parabola
- B. Circular cone
- C. Ellipse
- D. Circle
|