math 9
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Last updated 9:25 PM on 3/25/26
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8 Terms
1
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parabola eq
vert: (x-h)²=4p(y-k)
horz:(y-k)²=4p(x-h)
2
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parabola vertex
h,k
3
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foci parabola
vert: h,k+p
horz: h+p,k
4
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parabola directix
vert: y=k-p
horz:x=h-p
5
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ellipse foci distance
c²=a²-b²
6
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diff between elipse and hyperbola eq?
ellipse +, hyperbola -
7
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hyperbola foci distance
c²=a²+b²
8
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hyperbola asymptote formula
horz: y-k=±b/a(x-h)
vert: flip to a/b
