1. 11.3 – Geometric Sequences and Series

2. Arithmetic Series
Sum of Terms
Geometric Series
Sum of Terms
Arithmetic Sequences
Geometric Sequences
ADD
To get next term
MULTIPLY
To get next term

3. Vocabulary of Sequences (Universal)

4. Find the next three terms of 2, 3, 9/2, ___, ___, ___
3 – 2 vs. 9/2 – 3… not arithmetic

5. 1/2 x 9 NA
2/3

6. -3, ____, ____, ____

7. x 9 NA

8. x 5 NA

9. 1/2 7 x

10. 1, 4, 7, 10, 13, ….
Infinite Arithmetic
No Sum
3, 7, 11, …, 51
Finite Arithmetic
1, 2, 4, …, 64
Finite Geometric
1, 2, 4, 8, …
Infinite Geometric
r > 1
r < -1
No Sum
Infinite Geometric
-1 < r < 1

11. Find the sum, if possible:

12. Find the sum, if possible:

13. Find the sum, if possible:

14. Find the sum, if possible:

15. Find the sum, if possible: