Question

Medal

Which of these numbers is irrational?

1. √3
2. 0.25
3. 1/5
4. √9

Answer 1

an irrational number cant be written as a simple fraction

Answer 2

so its not 2, because that can be written as 1/4

Answer 3

its not 3, cause thats already written as a fraction

Answer 4

its A since the square root of 9 can be simplified to 3

Answer 5

To clarify the above statement: It is not 4. because square root of 9 is 3 which is a rational number. So you are left with the first choice.

Answer 6

alrighty I think I get it. Thank you ^-^