HURRY! I need help on my exam. (10pts!)

An expression is shown below:

the square root of 50 plus the square root of 2

Which statement is true about the expression?

It is irrational and equal to 6 times the square root of 2.
It is rational and equal to 6 times the square root of 2.
It is irrational and equal to 5 times the square root of 2.
It is rational and equal to 5 times the square root of 2.