140,498 views
27 votes
27 votes
The value of \sqrt(-16) is not -4 because

User DonOfDen
by
3.1k points

2 Answers

25 votes
25 votes
Detailed Answer:

Negative numbers don't have real square roots since a square is either positive or 0.

Also, Square roots of negative numbers are called complex numbers which is a whole new division of numbers. √-2 could also be written as 2i where “i” means iota.
User Toofrellik
by
3.3k points
10 votes
10 votes

Answer:

square roots are absolute values

Explanation:

they cannot be any integer or negative number. they had to be an absolute value

User Jacek Marchwicki
by
3.1k points