Question

Classify the following numbers as rational or irrational
1) 5-√3
2) √3+√2
3) (√2-2) 2
4) 2√7/7√7
5) 2π
6)1/√3
7) (2+√2) (2-√2)

Answer 1

Answer:

1 irrational

2 irrational

3 irrational

4 rational

5 irrational

6 irrational

7 rational