asked 25.7k views
5 votes
What is the square root of -9?

2 Answers

3 votes
-3i

9 is a perfect square
answered
User Akshay Katariya
by
8.9k points
7 votes
The square root of 9 is 3 so the square root of -9 can be -3
answered
User Damian Krawczyk
by
8.3k points

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