I have volunteered to help a friend's son with his Algebra 2 (thinking - no problem, I've had Calc 1-3, differential equation, complex variables, probability / stats and so on.
So I start to help and the first questions:
Why aren't these rational expressions:
The Attempt at a Solution
I know if the square root wasn't in the numerator they would be rational - at least I hope I'm correct.
I don't know why they aren't reational.