1. -3.2 rational- real
2. 2/5 rational- real
3 negative square root of 12 irrational-not real
4. square roof of 4 over 2- rational- real
5. -20 - rational -real
6. square root of 16. - rational- real
https://answers.yahoo.com/question/index?qid=20120104161524AAlNxDS
