Question # 1

The number e denotes the _______ of the conic:

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Directrix

Vertex

Focus

Eccentricity

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

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Ellipse

Parabola

Hyperbola

None of these

The directrix of the parabola x² = 4ay is:

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x = a

x = -a

y = a

y = -a

If the equation of the parabola is y2 = 4ax, then opening of the parabola is to the right of the:

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x-axis

y = x

y-axis

x + y =0

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

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x = a

x = 0

y = a

y = 0

The graph of the parabola y² = -4ax lies in quadrants:

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I and II

III and IV

II and III

I and III

The radius of circle x² + y² + 2gx + 2fy + c = 0 is:

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The two parts of a right circular cones are called:

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Nappes

Apex of the cone

Generator

Vertex

The focus of the parabola x² = 4ay:

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(0, a)

(-a , 0)

(0, -a)

(a, 0)

the focal chord perpendicular to the axis of the parabola is called _____________ of the parabola:

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Directrix

Latus rectum

Focus

Focal chord

The radius of circle x² + y² + ax + by + c = 0 is:

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None

The graph of the parabola x² = -4ay lies in quadrants:

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I and II

III and IV

II and III

I and III

A line perpendicular to a radial chord of a circle at the end-point (which lies on the circle) is a:

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Secant

Diameter

Chord

Tangent

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

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(-a, 0)

(a, 0)

(0, -a)

(0, 0)

The curves obtained by cutting a __________ double right circular cone by a _______ are called conics:

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Straight line

Plane

Curve

None of these

Measure of the central angle of a minor arc is ____ the measure of the angle subtended in the corresponding major arc.

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Equal

Double

Not equal to

Triple

A chord passing through the focus of a parabola is called a ________ of the parabola:

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Directrix

Latus rectum

Focus

Focal chord

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

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(1, -2)

(0, 1)

(-1, -2)

(1, 2)

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 center of circle (x+3)² + (y-2)² = 16 equals:

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(-3, 2)

(3, -2)

(3, 2)

(-3, -2)

If a point lies inside a circle, then its distance from the center is:

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Equal to the radius

Less then the radius

Greater then the radius

Equal to or greater than the

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