Respuesta :

In mathematics, a rational number is any number that can be expressed as a ratio​ of two integers numbers, being a non-zero denominator.

Answers​

-5 is rational because can be writen as -5/1​

√11 is irrational because can't be written as a ratio.​

2/3 is rational because is a ratio of two integer numbers.​

0.5 is rational because can be written 1/2​

√16 is rational because can be written 4/1​

pi (π) is irrational because can't be written as a ratio

[tex]\textit{\textbf{Spymore}}[/tex]​​