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Find the Vertex, Focus, and Directrix of the Parabola with the Given

Question 95

Multiple Choice

Find the vertex, focus, and directrix of the parabola with the given equation.
- (x+1) 2=12(y4) ( x + 1 ) ^ { 2 } = 12 ( y - 4 )


A) vertex: (1,4) (1,-4)
focus: (1,1) (1,-1)
directrix: y=7 y=-7

B) vertex: (4,1) (4,-1)
focus: (4,2) (4,2)
directrix: y=4 y=-4

C) vertex: (1,4) (-1,4)
focus: (1,1) (-1,1)
directrix: x=7 x=7

D) vertex: (1,4) (-1,4)
focus: (1,7) (-1,7)
directrix: y=1 y=1

Correct Answer:

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