Find the vertex, focus, and directrix of the parabola and sketch its graph.
A) vertex: ; focus:
; directrix x = -1
B) vertex: ; focus:
; directrix x = 1
C) vertex: ; focus:
; directrix x = 3
D) vertex: ; focus:
; directrix x = 3
E) vertex: ; focus:
; directrix x = -1
Correct Answer:
Verified
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