Graph Parabolas with Vertices at the Origin
Find the Focus $$x ^ { 2 } = - 16 y$$

question 118

Multiple Choice

Graph Parabolas with Vertices at the Origin
Find the focus and directrix of the parabola with the given equation.
- $$x ^ { 2 } = - 16 y$$

• A) focus: \(( 0 , - 4 )\)
• directrix: \(y = 4\)
• B) focus: \(( - 8,0 )\)
• directrix: \(x = 4\)
• C) focus: \(( 0 , - 4 )\)
• directrix: \(y = - 4\)
• D) focus: \(( 0,4 )\)

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