1 |
<div><font color="#000000" face="Times New Roman" size="3">The opening of the parabola y<sup>2</sup> = 4ax is to the ________ of the:</font></div><div></div> |
- A. Left
- B. Upward
- C. Right
- D. Downward
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2 |
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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3 |
the focal chord perpendicular to the axis of the parabola is called _____________ of the parabola: |
- A. Directrix
- B. Latus rectum
- C. Focus
- D. Focal chord
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4 |
The condition for the line y = mx + c to be a tangent to the circle x<sup>2</sup> + y<sup>2</sup> = a<sup>2</sup> is c = _____________: |
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5 |
Point (5, 6) lies ..... the circle x<sup>2</sup> + y<sup>2</sup> = 81: |
- A. Outside
- B. Inside
- C. On
- D. None of these
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6 |
The vertex of the parabola x<sup>2</sup> = 4ay is: |
- A. (-a, 0)
- B. (0, a)
- C. (0, -a)
- D. (0, 0)
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7 |
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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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
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9 |
If the focus lies on the y - axis with coordinates F(0, a) and directrix of the parabola is y = -a, then the equation of parabola is: |
- A. x<sup>2</sup> = 4ay
- B. -x<sup>2</sup>= 4ay
- C. -y<sup>2</sup>= 4ax
- D. y<sup>2</sup>= 4ax
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10 |
A line that touches the curve without cutting through it is called: |
- A. Straight line
- B. Tangent line
- C. Normal line
- D. Vertical line
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