1. Arithmetic and Geometric Sequences

2. Determine whether each sequence is arithmetic, geometric, or neither. Explain your reasoning. 1. 7, 13, 19, 25, …2. -96, -48, -24, -12, … 3. 108, 66, 141, 99, …4. 3, 9, 81, 6561, …

3. Find the common difference for each arithmetic sequence. 5.10, 24, 38, 52, … 6.-9, -12, -15, -18, …

4. Find the common ratio for each geometric sequence. 7.6, -12, 24, -48, … 8. 128, 96, 72, 54, …

5. Write a recursive formula for each sequence. 9.13, 10, 7, 4, … 10. 4.6, 4.7, 4.8, 4.9, …

6. Write a recursive formula for each sequence. 11. 1, 5, 25, 125, 12. 2, -8, 32, -64, …

7. Write the explicit formula for each arithmetic sequence. 13. 13, 24, 35, … 14. -6, -25, -44, -63, -82, …

8. Write the explicit formula for each geometric sequence. 15.3, -12, 48, -192, … 16. 8, -8, 8, -8, …