Solve the Equation by the Square Root Property $$x ^ { 2 } = - 81$$

question 232

Multiple Choice

Solve the equation by the square root property.
- $$x ^ { 2 } = - 81$$

• A) \(\{ \pm 9 \}\)
• B) \(\{ 40.5 \}\)
• C) \(\{ \pm 9 i \}\)
• D) \(\{ 9 \}\)

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