Find the vertex, focus, and directrix of the parabola.
?
?
A. Vertex: 
; Focus: 
; Directrix: 
B. Vertex: 
; Focus: 
; Directrix: 
C. Vertex: 
; Focus: 
; Directrix: 
D. Vertex: 
; Focus: 
; Directrix: 
E. Vertex: 
; Focus: 
; Directrix: 
Answer: D
Mathematics
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