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

(a)
`( y - 1 )^(2) = 16 ( x - 6)`
vertex : 
focus : 
directrix:   

(b)
`y^(2) - 12 y = 20 x - 6^(2)` 

vertex : 
focus : 
directrix"   

(c)
`( x - 5 )^(2) = 20 ( y - 4 )` 

vertex : 
focus : 
directrix"   

(d)
`x^(2) + 32 x = 4 y - 4` 

vertex : 
focus : 
directrix"   

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