Question

Whats the square root of -18

Answer 1

Answer: approximately 4.2

Explanation:

4.2 times 4.2 is 17.64

Answer 2

3
`√(2)` i

Explanation:

The prime factorization of 18 is 2x3x3

`√(-2x3x3)` We can pull the pair of 3's

3
`√(-2)`

The negative number would be i

i =
`√(-1)`

So that leaves the answer above.