Pre-Calc Quiz 1 Flashcards

Conic Sections & Circles

1
Q

3-dimensional shape formed by set of line segments connecting to a common point.

A

Cone

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2
Q

The common point that the set of line segments of a cone connects at.

A

Apex or Vertex

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3
Q

Distance from vertex of a cone to its flat base is the _____

A

Height of the cone

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4
Q

Its ____ is the segment joining the vertex and the center of the circular base.

A

Axis

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5
Q

Two types of cones

A

Right Circular Cone and Oblique Cone

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6
Q

Cone which has a circular base and the axis is perpendicular with the base of the cone.

A

Right Circular Cone

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7
Q

A cone of which the axis is not perpendicular with its base.

A

Oblique Cone

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8
Q

Geometric figure made up of two right circular cones with a common vertex or apex.

A

Double Right Circular Cone

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9
Q

Intersection of a plane and a double right circular cone.

A

Conic Section or Conic

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10
Q

Line lying entirely on the cone.

A

Generator

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11
Q

Where do all generators of a cone pass through

A

Vertex

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12
Q

The only point where the two nappes of the DRCC intersect.

A

Vertex

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13
Q

Two types of conics

A

Degenerate and Non-Degenerate

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14
Q

A point, a line, or two intersecting line. Formed when a plane intersects DRCC passing the vertex.

A

Degenerate Conic

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15
Q

This is a conic, either a parabola, an ellipse, or a hyperbola.

A

Non-Degenerate Conic

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16
Q

If the cutting plane is parallel to one and only one generator, the curve of intersection is a _____

A

Parabola

17
Q

If the cutting plane is not parallel to any generator BECAUSE it cuts all generators, the curve of intersection is ________

A

Ellipse

18
Q

If the cutting plane is parallel to the base of the cone, the curve of intersection is _____

A

Circle

19
Q

If the cutting plane is parallel to two generators, the curve of intersection is ______

A

Hyperbola

20
Q

It is formed when the plane not passing through the vertex is horizontal.

A

Circle

21
Q

It is formed when the plane intersects only one cone to form an unbounded curve.

A

Parabola

22
Q

It is formed when the intersecting plane intersects only one cone to form a bounded curve.

A

Ellipse

23
Q

It is formed when the plane intersects both cones forming two unbounded curves.

A

Hyperbola

24
Q

This consists of all points that are at a fixed distance r from a fixed point C.

A

Circle

25
Q

What is the fixed distance r of a circle?

A

Radius

26
Q

What is the fixed point C of a circle?

A

Center

27
Q

Formula when the Center is at origin, or (0,0).

A

x^2 + y^2 = r^2

28
Q

What form is x^2 + y^2 = r^2?

A

Center-Radius Form Equation of a Circle with Center at (0,0)

29
Q

What is the equation x^2 + y^2 = 1 called?

A

Unit Circle

30
Q

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

A

Center-Radius Form Equation of a Circle with Center at (h,k)