| 1 |
A line segment having both the end-points on a circle and not passing through the center is called a: |
- A. A chord
- B. A secant
- C. A diameter
- D. None of these
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| 2 |
If the equation of the parabola is y<sup>2</sup> = - 4ax, then opening of the parabola is to the ______ of the y-axis: |
- A. Left
- B. Upward
- C. Right
- D. Downward
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| 3 |
One of the angles of a triangle inscribed in a circle is of 40°. If one of its' the diameter, the other angles have the measures: |
- A. 30°, 110°
- B. 40°, 100°
- C. 50°, 90°
- D. 20°, 120°
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| 4 |
The axis of the parabola y<sup>2</sup> = -4ax is: |
- A. x = a
- B. x = 0
- C. y = a
- D. y = 0
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| 5 |
The graph of the parabola y<sup>2</sup> = -4ax lies in quadrants: |
- A. I and II
- B. III and IV
- C. II and III
- D. I and III
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| 6 |
Two real and distinct 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
|
| 7 |
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| 8 |
The equi. of latus-rectum of the parabola y<sup>2</sup> = -4ax is: |
- A. x = a
- B. x = -a
- C. y = a
- D. y = -a
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| 9 |
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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| 10 |
In the case of rotation of axes which formula is true: |
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