Question

I need help with solving roots. I can't understand it, please help. Problems written in comments, medals for best answer!

Answer 1

\[\sqrt{18}\]

Answer 2

I know that the square root of 16 is 4, but I can't understand these.

Answer 3

18=2*9 =2*3^2

Answer 4

umm sqrt of 16 is -4 and 4

Answer 5

because -4 * -4 = 16
and 4* 4 = 16

Answer 6

I know the root of 16, but I don't know how to solve 18.

Answer 7

@Loser66 can you please explain your example?