For this case, we have by definition, that an irrational number is a number that can not be expressed as a fraction
, where a and b are integers and b is nonzero.
Some examples are:

So, that the answer is 
Answer:
Option C
Answer:

Step-by-step explanation:
Given

Now we know that system has infinite solution for x

in above equation.

∴
I believe the answer is B.