| 1 |
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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| 2 |
A chord passing through the focus of a parabola is called a ________ of the parabola: |
- A. Directrix
- B. Latus rectum
- C. Focus
- D. Focal chord
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| 3 |
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
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| 4 |
A line through a point say P perpendicular to the tangent to the curve at P is called: |
- A. Straight line
- B. Tangent line
- C. Normal line
- D. None of these
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| 5 |
If r is the radius of the circle and its center is at origin, then equation of circle is: |
- A. x<sup>2</sup> + y<sup>2</sup> = a<sup>2</sup>
- B. x<sup>2</sup> + y<sup>2</sup> = r<sup>2</sup>
- C. x<sup>2</sup> - y<sup>2</sup> = a<sup>2</sup>
- D. x<sup>2</sup> - y<sup>2</sup> = r<sup>2</sup>
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| 6 |
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
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| 7 |
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
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| 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
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| 9 |
Equation of axis of the parabola x<sup>2</sup> = 4ay is: |
- A. x = 0
- B. x = a
- C. y = 0
- D. y = a
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| 10 |
The radius of circle x<sup>2</sup> + y<sup>2</sup> + ax + by + c = 0 is: |
|