Find the Coordinates of the Vertex for the Parabola Defined $$f ( x ) = 8 - x ^ { 2 } + 2 x$$

question 37

Multiple Choice

Find the coordinates of the vertex for the parabola defined by the given quadratic function.
- $$f ( x ) = 8 - x ^ { 2 } + 2 x$$

• A) \(( 1,9 )\)
• B) \(( - 1,9 )\)
• C) \(( 1 , - 9 )\)
• D) \(( - 1 , - 9 )\)

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