Find the vertex, focus, and directrix of the parabola with the given equation.(x - 4)2 = -20(y + 3)

A. vertex: (4, -3)  
focus: (4, -8)  
directrix: y = 2
B. vertex: (-3, 4)  
focus: (-3, -1)  
directrix: y = 9
C. vertex: (-4, 3)  
focus: (-4, -2)  
directrix: y = 8
D. vertex: (4, -3)  
focus: (4, 2)  
directrix: x = -8


Answer: A

Mathematics

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