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

Question 2

Multiple Choice

Find the vertex, focus, and directrix of the parabola with the given equation.
- (x4) 2=20(y+3) ( x - 4 ) ^ { 2 } = - 20 ( y + 3 )


A) vertex: (4,3) ( 4 , - 3 )
focus: (4,8) ( 4 , - 8 )
directrix: y=2y = 2
B) vertex: (4,3) ( - 4,3 )
focus: (4,2) ( - 4 , - 2 )
directrix: y=8y = 8
C) vertex: (4,3) ( 4 , - 3 )
focus: (4,2) ( 4,2 )
directrix: x=8x = - 8
D) vertex: (3,4) ( - 3,4 )
focus: (3,1) ( - 3 , - 1 )
directrix: y=9y = 9

Correct Answer:

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