I know this is pretty basic but can someone explain to me how to do this: Which number equals the square root of 192.?

8 the square root of 3.
3 the square root of 8.
4 the square root of 3.
8 the square root of 2.

Question

I know this is pretty basic but can someone explain to me how to do this: Which number equals the square root of 192.?
 	
	8 the square root of 3.
	3 the square root of 8.
	4 the square root of 3.
	8 the square root of 2.

sepeario · Answer

$$8\sqrt{3} = \sqrt{8^{2}\times3}$$

sepeario · Answer

which equals sqrt 192.

sepeario · Answer

or you could simply evaluate each of the answers themselves, which would be very time consuming.