Find the Coordinates of the Vertex for the Parabola Defined $f ( x ) = - x ^ { 2 } - 4 x - 9$

question 17

Multiple Choice

Find the coordinates of the vertex for the parabola defined by the given quadratic function.
- $f ( x ) = - x ^ { 2 } - 4 x - 9$

• A) \(( - 2 , - 5 )\)
• B) \(( 2 , - 21 )\)
• C) \(( - 4 , - 9 )\)
• D) \(( 2 , - 13 )\)

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