PRECALCULUS 11 - Formulas for Parabola with the Vertex (h, k)
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Last updated 8:26 PM on 9/14/25
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6 Terms
1
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axis of symmetry for (x - h)² = 4p(y - k)
x = h
2
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focus for (x - h)² = 4p(y - k)
(h, k + p)
3
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directrix for (x - h)² = 4p(y - k)
y = k - p
4
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axis of symmetry for (y - k)² = 4p(x - h)
y = k
5
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focus for (y - k)² = 4p(x - h)
(h + p, k)
6
New cards
directrix for (y - k)² = 4p(x - h)
x = h - p
Note 
Flashcards (27)