algebra
posted by Alexius .
identify whether the number is rational or irrational. then explain why it is rational or irrational.
8/17
and
21.192

Study this site. I'll be glad to check your answers.
http://www.mathsisfun.com/irrationalnumbers.html 
so the first one is rational and the second one is irrational, but i do not no how to explain why is it irrational and rational

21.192 is irrational beacues it keeps reapeating and when it keeps reapeating it is irrational.

8/17