STEM 1 Flashcards

Pre Calculus

1
Q

is formed by the intersection of a plane and a double right circular cone

A

Conic Section

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2
Q

Fixed point of a conic

A

Focus

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3
Q

fixed line corresponding to the focus

A

Directrix

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4
Q

line that passes through the focus and perpendicular to the directrix

A

Principal Axis

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5
Q

point of intersection of the conic and it’s principal axis

A

Vertex

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6
Q

constant ratio

A

Eccentricity

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7
Q

set of coplanar points such that the distance from a fixed point is constant

A

Circle

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8
Q

formula of circle

A

(x-h)² + (y-k)² = r²

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9
Q

set of all coplanar points that are equidistant from a fixed point called the focus and a fixed line called the directrix

A

Parabola

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10
Q

point on the parabola midway between the latus rectum and the directrix

A

Vertex

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11
Q

identifies the opening of the parabola

A

Focus

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12
Q

fixed line perpendicular to the axis of symmetry

A

Directrix

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13
Q

the chord that passes through the focus and perpendicular to the axis of symmetry

A

Latus Rectum

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14
Q

4p(y-k)

A

Upward

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15
Q

-4p(y-k)

A

Downward

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16
Q

4p(x-h)

A

To The right

17
Q

-4p(x-h)

A

To The left