Try another version of this question

Find the vertex, focus, and directrix for the following parabolas.

(a)

` ( y - 5 )^(2) = 8 ( x - 9) `

vertex :

focus :

directrix:

(b)

` y^(2) - 18 y = 12 x - 9^(2) `

vertex :

focus :

directrix"

(c)

` ( x - 3 )^(2) = 12 ( y - 2 ) `

vertex :

focus :

directrix"

(d)

` x^(2) + 16 x = 4 y - 20 `

vertex :

focus :

directrix"

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Box 1: Enter your answer as an n-tuple of numbers. Example: (2,5.5172)

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