Multiple Choice
Find the vertex, focus, directrix, and focal width of the parabola.
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A) Vertex: ; Focus: ; Directrix: ; Focal width: 9
B) Vertex: ; Focus: ; Directrix: ; Focal width: 36
C) Vertex: ; Focus: ; Directrix: ; Focal width: 144
D) Vertex: ; Focus: ; Directrix: ; Focal width: 144
Correct Answer:

Verified
Correct Answer:
Verified
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