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3 years ago

6

20 points What is the square root of -16? -8i -4i 4i 8i

2 answers:

olga55 [171]3 years ago

8 0

Answer:

4i

Step-by-step explanation:

Negative numbers don't have real square roots since a square is either positive or 0. The square roots of numbers that are not a perfect square are members of the irrational numbers. This means that they can't be written as the quotient of two integers. So you have to use the "imaginary number", i.

Finger [1]3 years ago

3 0

Answer: 4i

Step-by-step explanation:

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