Solve the Equation by Using the Quadratic Formula $$y ^ { 2 } = 4 y - 9$$

question 229

Multiple Choice

Solve the equation by using the quadratic formula.
- $$y ^ { 2 } = 4 y - 9$$

• A) \(\{ 4 \pm 2 i \sqrt { 5 } \}\)
• B) \(\{ - 2 \pm i \sqrt { 5 } \}\)
• C) \(\{ 2 \pm i \sqrt { 5 } \}\)
• D) \(\{ - 4 \pm 2 i \sqrt { 5 } \}\)

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