Question

The square root of -72

Answer 1

Answer:

8.48528137 i

Step-by-step explanation:

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Answer 2

'8.48528137 i' or 'unidentified'

-72 isn't actually possible because a positive number times a positive number is always a positive and a negative number times a negative number is always a positive number. So you could say "unidentified".

But in HiGh sChOoL you'll learn about imaginary numbers (according to my teachers), and how it works is; basically just find the square root of 72 and write 'i' after. 'I' stands for imaginary number.