Question # 1

If r is the radius of any circle and C its center, then any point P(x₁, y₁) lies outside the circle only if:

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|CP| < r

|CP| = r

|CP| > r

None of these

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x = 0

y = -a

y = 0

y = -a

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4a

2a

4b

2b

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a

2b

b

2a

The number e denotes the _______ of the conic:

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Directrix

Vertex

Focus

Eccentricity

The point of a parabola which is closest to the focus in the:

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Directrix

Vertex

Focus

Chord

If a circle and a line intersect in two points, then the line is called:

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A chord

A secant

A diameter

None of these

An angle in a semi-circle is:

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0°

90°

180°

60°

The axis of the parabola y² = -4ax is:

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x = a

x = 0

y = a

y = 0

The vertex of parabola (x - 1)² = 8 (y + 2) is:

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(1, -2)

(0, 1)

(-1, -2)

(1, 2)

The directrix of the parabola x² = 4ay is:

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x = a

x = -a

y = a

y = -a

The directrix of the parabola y² = 4ax is:

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x = a

x = -a

y = a

y = - a

Perpendicular dropped from the center of a circle on a chord _______ the chord:

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Normal

Bisects

Equal to

None of these

The vertex of the parabola x² = -4ay is:

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(a, 0)

(0, 0)

(0, -a)

(0, a)

If the equation of the parabola is y² = - 4ax, then opening of the parabola is to the ______ of the y-axis:

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Left

Upward

Right

Downward

y² = 4ax, is the standard equation of the:

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Ellipse

Parabola

Hyperbola

None of these

The opening of the parabola y² = 4ax is to the ________ of the:

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Left

Upward

Right

Downward

The opening of the parabola y² = -4ax is to the left of the:

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x-axis

x = 1

y-axis

x = 0

The ratio between the measure of the radial segment and the diameter of a circle is:

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2 : 1

4 : 3

1 : 2

The opening of the parabola x² = 4ay is upward of the:

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x -axis

y = c

y - axis

x = y

Length of tangent from (0,1) to x² + y² + 6x - 3y + 3 = 0

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2

1

4

3

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