Find the vertex, focus, and directrix of the parabola with the given equation.(x + 1)2 = -20(y + 3)

A. vertex: (-1, -3)  
focus: (-1, -8)  
directrix: y = 2
B. vertex: (1, 3)  
focus: (1, -2)  
directrix: y = 8
C. vertex: (-1, -3)  
focus: (-1, 2)  
directrix: x = -8
D. vertex: (-3, -1)  
focus: (-3, -6)  
directrix: y = 4


Answer: A

Mathematics

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