First term: -6, Fifth term: 6
Explanation:
First term:
- Write the equation.
- 3n -9
- Subsitute the value of the term you need to find
- 3(1) - 9
- Solve
- 3 - 9
- = -6
Fifth term:
- Write the equation.
- 3n - 9
- Subsitute the value of the term you need to find
- 3(5) - 9
- Solve
- 15 - 9
- = 6