1. Discriminant is 1 ⇒ Two rational roots |
9. Discriminant is 4.25 ⇒ Two real roots |
2. Discriminant is 0 ⇒ One repeated, rational root |
10. Discriminant is 1 ⇒ Two rational roots |
3. Discriminant is 60 ⇒ Two real roots |
11. Discriminant is 49 ⇒ Two rational roots |
4. Discriminant is -39 ⇒ No real roots |
12. Discriminant is 0 ⇒ One repeated, rational root |
5. Discriminant is 49 ⇒ Two rational roots |
13. Discriminant is -36 ⇒ No real roots |
6. Discriminant is 225 ⇒ Two rational roots |
14. Discriminant is 121 ⇒ Two rational roots |
7. Discriminant is -39 ⇒ No real roots |
15. Discriminant is 76 ⇒ Two real roots |
8. Discriminant is 324 ⇒ Two rational roots |
16. Discriminant is100 ⇒ Two rational roots |