Eccentricity & Discriminant - Pre-calculus 1Q
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12 Terms
1
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In discriminant, when B^2-4AC _____ 0, and A ā C or B ā 0, then it is a ELLIPSE.
2
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=
In discriminant, when B^2-4AC _____ 0, then it is a PARABOLA.
3
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In discriminant, when B^2-4AC _____ 0, and A = C and B = 0, then it is a CIRCLE.
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In discriminant, when B^2-4AC _____ 0, then it is a HYPERBOLA.
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c/a
Formula for eccentricity:
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c
Represents distance from center to focus.
7
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a
Represents distance from center to vertex.
8
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=
In eccentricity, when e _____ 0, it is a CIRCLE.
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<
In eccentricity, when e _____ 1, it is a ELLIPSE.
10
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=
In eccentricity, when e _____ 1, it is a PARABOLA.
11
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In eccentricity, when e _____ 1, it is a HYPERBOLA.
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b^2-4ac
Formula for discriminant:
Note 
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