2 rational or irrational
- 2 rational or irrational number
- 2 3 rational or irrational
- 1 2 rational or irrational
- Root 2 rational or irrational
- √ 2 rational or irrational
- 2 5 rational or irrational
- 2 7 rational or irrational
- 2 9 rational or irrational
- 2 squared rational or irrational
- 2 4 rational or irrational
- Square root 2 rational or irrational
- 2 √ 3 rational or irrational
- Is 16 2 rational or irrational
- Is 5 1/2 rational or irrational
- Pi 2 rational or irrational