Question

Which of the following is irrational?
1. √2
2. √1.44
3. √1
4. √4​

Answer 1

square root of 2.

Explanation:

because it has too many decimals after the whole number cannot be converted to a fraction so it is irrational.

Answer 2

√2

Explanation:

An irrational number is any number that is infinite and non-repeating. Basically, imperfect squares, numbers like pi(π), etc. All the other answers are rational numbers are they are not infinite or non-repeating.

Hope this helps and have a nice day!