Find the Vertex, Focus, and Directrix of the Parabola $y ^ { 2 } = - 3 x$

question 98

Multiple Choice

Find the vertex, focus, and directrix of the parabola. $y ^ { 2 } = - 3 x$

• A)Vertex: (0,0); Focus: \(\left( - \frac { 3 } { 4 } , 0 \right)\) ; Directrix: \(x = - \frac { 3 } { 4 }\)
• B)Vertex: (0,0); Focus: \(\left( - \frac { 1 } { 3 } , 0 \right)\) ; Directrix: \(x = \frac { 1 } { 3 }\)
• C)Vertex: (0,0); Focus: \(\left( \frac { 1 } { 3 } , 0 \right)\) ; Directrix: \(x = \frac { 1 } { 3 }\)
• D)Vertex: (0,0); Focus: \(\left( \frac { 3 } { 4 } , 0 \right)\) ; Directrix: \(x = - \frac { 3 } { 4 }\)
• E)Vertex: (0,0); Focus: \(\left( - \frac { 3 } { 4 } , 0 \right)\) ; Directrix: \(x = \frac { 3 } { 4 }\)

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