Find the Vertex of the Graph of the Quadratic Function $$f ( x ) = x ^ { 2 } + 7 x - 2$$

question 86

Multiple Choice

Find the vertex of the graph of the quadratic function.
- $$f ( x ) = x ^ { 2 } + 7 x - 2$$

• A) \(\left( \frac { 7 } { 2 } , \frac { 139 } { 4 } \right)\)
• B) \(( 7,96 )\)
• C) \(( - 5 , - 2 )\)
• D) \(\left( - \frac { 7 } { 2 } , - \frac { 57 } { 4 } \right)\)

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