No. If a number is irrational, it continues endlessly without a pattern. Since 2.5 stops at 5, it is rational; but if it were, say, 2.573583..., it would be irrational. Also, it can be written as the fraction 25/10, or 5/2.
At least one of the factors has to be irrational.* An irrational number times ANY number (except zero) is irrational. * The product of two irrational numbers can be either rational or irrational.
it is a rational number but 4.121314..... is an irrational no
An irrational number.
It is an irrational number.
Any, and every, irrational number will do.
No.
No.
no
5 squared is 5*5 is 25. 25 is not an irrational number.
No
No.
All of them except irrational number.
Irrational
No because 25 is a rational number
If you mean 36 minus 25 then the square root of 11 is an irrational number
The square root of 25 is 5, which is a rational number.
The square root of 8 over 25 is irrational, and real.