Solve by the Quadratic Formula $$2 x ^ { 2 } + 10 x + 7 = 0$$

question 14

Multiple Choice

Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.
- $$2 x ^ { 2 } + 10 x + 7 = 0$$

• A) \(x = \frac { - 5 \pm \sqrt { 11 } } { 4 }\)
• B) \(x = \frac { - 5 \pm \sqrt { 39 } } { 2 }\)
• C) \(x = \frac { - 5 \pm \sqrt { 11 } } { 2 }\)
• D) \(x = \frac { - 10 \pm \sqrt { 11 } } { 2 }\)

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