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Number 1. (equation: equation)

Correct Answer: Real

Number 2. (equation: equation)

Correct Answer: Real

Number 3. (equation: equation)

Correct Answer: Imaginary

Number 4. (equation: equation)

Correct Answer: Real - the negative is outside the radical

Number 5. (equation: equation)

Correct Answer: Imaginary

Number 6. (equation: equation)

Correct Answer: imaginary, if x>0

Number 7. 2i

Correct Answer: Imaginary

Number 8. 3

Correct Answer: Real