Find the vertex, the focus, and the directrix of the parabola.y2 - 8x + 2y + 9 = 0
A. V: 
; F: 
; D: y = 
B. V: (1, -1); F: (3, -1); D: x = -1
C. V: 
; F: (-1, 1); D: y = 3
D. V: (5, 1); F: (9, 1); D: y = 7
Answer: B
Mathematics
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