Solve by the Quadratic Formula $5 x ^ { 2 } - 4 x - 9 = 0$

question 118

Multiple Choice

Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.
- $5 x ^ { 2 } - 4 x - 9 = 0$

• A) \(x = \frac { 9 } { 5 } , - 1\)
• B) \(x = \frac { 5 } { 9 } , 1\)
• C) \(x = \frac { 5 } { 9 } , - 1\)
• D) \(x = \frac { 9 } { 5 } , 1\)

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