Find the Vertex and Focus of the Parabola $y ^ { 2 } = - \frac { 9 } { 2 } x$

question 201

Multiple Choice

Find the vertex and focus of the parabola. $y ^ { 2 } = - \frac { 9 } { 2 } x$

• A)vertex: (0,0) focus: \(\left( - \frac { 9 } { 8 } , 0 \right)\)
• B)vertex: \(\left( 0 , - \frac { 5 } { 4 } \right)\) focus: \(\left( - \frac { 9 } { 2 } , - \frac { 9 } { 2 } \right)\)
• C)vertex: (0,0) focus: \(\left( 0 , - \frac { 9 } { 2 } \right)\)
• D)vertex: \(\left( 0 , - \frac { 5 } { 4 } \right)\) focus: \(\left( 0 , - \frac { 9 } { 8 } \right)\)
• E)vertex: (0,0) focus: \(\left( - \frac { 9 } { 2 } , 0 \right)\)

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