Rewrite the Quadratic Function in Standard Form by Completing the Square

question 104

Multiple Choice

Rewrite the quadratic function in standard form by completing the square.
- $$f ( x ) = x ^ { 2 } + 3 x + 1$$

• A) \(f ( x ) = \left( x + \frac { 3 } { 2 } \right) ^ { 2 } + \frac { 5 } { 4 }\)
• B) \(f ( x ) = ( x + 3 ) ^ { 3 } - 9\)
• C) \(f ( x ) = ( x - 3 ) ^ { 3 } - 9\)
• D) \(f ( x ) = \left( x + \frac { 3 } { 2 } \right) ^ { 2 } - \frac { 5 } { 4 }\)

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