Find the Coordinates of the Vertex of the Quadratic Function $$f ( x ) = x ^ { 2 } - 6 x - 9$$

question 130

Multiple Choice

Find the coordinates of the vertex of the quadratic function.
- $$f ( x ) = x ^ { 2 } - 6 x - 9$$

• A) \(( 3 , - 18 )\)
• B) \(( - 3,18 )\)
• C) \(( 3 , - 36 )\)
• D) \(( - 6,63 )\)

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