Question

Which number is irrational?

Answer 1

Answer:
`√(11)`

Explanation:

1. To solve this problem you need to remember the definition of an irrational number.

2. An irrational number is defined as a number that cannot be written as a fraction.

3. Based on this information, you have:

`-4=(-4)/(1)` (It is not irrational)

`(2)/(9)` (It is not irrational)

`√(11)` (Irrational)

`8.26=(413)/(50)` (It is not irrational)