Pre Calculus - 2nd Session Examination Flashcards

1
Q

A conic formed when a double right circular cone is cut by plane so that the angle between the plane and the axis is less than the vertex angle

A

Hyperbola

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2
Q

A conic formed when a double right circular cone is cut by plane so that the angle between the plane and the axis is greater than the vertex angle

A

Ellipse

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3
Q

A conic formed when a double right circular cone is cut by plane so that the angle between the plane and the axis is equal than the vertex angle

A

Parabola

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4
Q

It is formed when a plane intersects the double right circular cone at its vertex

A

Degenerate conics

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5
Q

These are figures obtained by the intersection of a double right circular cone without passing through the vertex

A

Conic section

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6
Q

Which of the following is an example of a degenerate conic section?

A

Parallel lines

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7
Q

Standard form of a circle

A

(x-h)^2 + (y-k)^2 = r^2

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8
Q

If r^2 is greater than equal to 0, then the graph is a circle

A

False

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9
Q

If r^2 = 0, then the graph is a single point

A

True

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10
Q

If r^2 is lesser than equal to 0, then the graph is a circle

A

False

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11
Q

It refers to the midpoint between the two vertices of an ellipse

A

Center

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12
Q

It refers to the line segment that passes through the center and is perpendicular to the major axis whose endpoints are on the ellipse

A

Minor axis

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13
Q

It refers to the line segment that passes through the center and is perpendicular to the minor axis whose endpoints are on the ellipse

A

Major axis

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