Answer:
If there are any rational roots, it would be a factor of your constant term (9) divided by a factor of the high-order coefficient (12).
Step-by-step explanation:
1. Not congruent
2. Not congruent
3. Congruent
4. Congruent
5. Not congruent
6. Not congruent
???
25y = 45/1x = 30