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

Question 39

Multiple Choice

Find the vertex, focus, and directrix of the parabola with the given equation.
- (y4) 2=16(x1) ( y - 4 ) ^ { 2 } = - 16 ( x - 1 )


A) vertex: (1,4) ( 1,4 )
focus: (3,4) ( - 3,4 )
directrix: x=5x = 5
B) vertex: (1,4) ( - 1 , - 4 )
focus: (5,4) ( - 5 , - 4 )
directrix: x=3x = 3
C) vertex: (1,4) ( 1,4 )
focus: (5,4) ( 5,4 )
directrix: x=3x = - 3
D) vertex: (4,1) ( 4,1 )
focus: (0,1) ( 0,1 )
directrix: x=8x = 8

Correct Answer:

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