Find the Vertex, Focus, Directrix, and Focal Width of the Parabola

question 57

Multiple Choice

Find the vertex, focus, directrix, and focal width of the parabola.
- $$( y + 7 ) ^ { 2 } = 12 ( x + 3 )$$

• A) Vertex: \(( - 7 , - 3 )\); Focus: \(( - 7,0 )\); Directrix: \(y = - 6\); Focal width: 3
• B) Vertex: \(( - 7 , - 3 )\); Focus: \(( - 7,9\); Directrix: \(y = - 15\); Focal width: 12
• C) Vertex: \(( - 3 , - 7 )\); Focus: \(( 0 , - 7 )\); Directrix: \(x = - 6\); Focal width: 12
• D) Vertex: \(( - 3 , - 7 )\); Focus: \(( 9 , - 7 )\); Directrix: \(x = - 15\); Focal width: 12

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Definitions:

American Put Option

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