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

question 161

Multiple Choice

Find the vertex, focus, directrix, and focal width of the parabola.
- $$\mathrm { y } ^ { 2 } = 32 \mathrm { x }$$

• A) Vertex: \(( 0,0 )\); Focus: \(( 8,0 )\); Directrix: \(x = - 8\); Focal width: 128
• B) Vertex: \(( 0,0 )\); Focus: \(( 0,8 )\); Directrix: \(y = - 8\); Focal width: 8
• C) Vertex: \(( 0,0 )\); Focus: \(( 8,0 )\); Directrix: \(x = - 8\); Focal width: 32
• D) Vertex: \(( 0,0 )\); Focus: \(( 8,8 )\); Directrix: \(x = 8\); Focal width: 128

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