Why is the square root of -4 an imaginary number instead of -2?

2.38K views

Why is the square root of -4 an imaginary number instead of -2?

In: Mathematics

7 Answers

Anonymous 0 Comments

Have you tried multiplying -2 by -2? Hopefully you did, and you would see that this equals 4 and not -4. That’s really the only answer you need. If you want to know why it doesn’t equal -4 well now you’ve gone down the rabbit whole of asking why math is math, and the short answer is because it is a system that when used in the real world, *actually works to solve problems*

You are viewing 1 out of 7 answers, click here to view all answers.