Solve the Equation by Using the Square Root Property $$x ^ { 2 } + 9 = 0$$

question 85

Multiple Choice

Solve the equation by using the square root property. Express any complex numbers using i notation.
- $$x ^ { 2 } + 9 = 0$$

• A) \(x = - 4.5\)
• B) \(x = 3 i\)
• C) \(x = \pm 3 \mathrm { i }\)
• D) \(x = \pm 4 \mathrm { i }\)

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