| 1 |
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| 2 |
The axis of the parabola y<sup>2</sup> = 4ax is: |
- A. x = 0
- B. x = a
- C. y = 0
- D. y = a
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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 |
In the case of translation of axes which formula is true: |
- A. x = X - h
- B. x = X + h
- C. x + X = h
- D. None
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| 5 |
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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| 6 |
A line perpendicular to a radial chord of a circle at the end-point (which lies on the circle) is a: |
- A. Secant
- B. Diameter
- C. Chord
- D. Tangent
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| 7 |
Measure of the central angle of a minor arc is ____ the measure of the angle subtended in the corresponding major arc. |
- A. Equal
- B. Double
- C. Not equal to
- D. Triple
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| 8 |
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
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| 9 |
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- A. x = 0
- B. y = -a
- C. y = 0
- D. y = -a
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| 10 |
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)
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