1. Sequences and Series
PreCalculus 8-1

2. Sequences & Series

3. Sequences & Series

4. Sequences & Series

5. Sequences & Series

6. Sequences & Series

7. Sequences & Series

8. Sequences & Series

9. Sequences and Series TI-84 Instructions Mode key
Fourth line select SEQ, for sequences
Sequences and Series

10. Sequences and Series TI-84 Instructions
FORMAT (2nd zoom) should be on Time
Y= key to enter sequence
Sequences and Series

11. Sequences and Series TI-84 Instructions For our example 3n2 – 5 enter
u(n)=3n2 – 5
TABLE (2nd GRAPH) to see a table of the sequence
Sequences and Series

12. TI-84 Instructions
Sequences and Series

13. Sequences & Series

14. Sequences & Series

15. Sequences & Series

16. Recursive Formulas
Sequences & Series

17. Sequences and Series TI-84 Instructions
To reference a previous number use the 2nd 7 key to get a small “u” then in parenthesis put the n from the “x” key
Include a value for u(nMin)
Sequences and Series

18. Sequences & Series

19. Sequences & Series nMin=1 u(n)=3*(u(n – 1)+2) u(nMin)=(1)
Practice this on your calculator
nMin=1
u(n)=3*(u(n – 1)+2)
u(nMin)=(1)
Sequences & Series

20. Sequences & Series

21. list braces
Sequences & Series

22. Sequences & Series

23. Sequences & Series

24. Sequences & Series

25. Practice this on your calculator
Sequences & Series

26. Sequences & Series nMin=1 u(n)=2/2^n u(nMin)={0.5} v(n)=v(n-1)+u(n-1)
Practice this on your calculator
nMin=1
u(n)=2/2^n
u(nMin)={0.5}
v(n)=v(n-1)+u(n-1)
v(nMin({0}
Sequences & Series

27. Practice this on your calculator
Sequences & Series

28. You can also graph this on your calculator
Sequences & Series

29. Sequences & Series

30. Sequences & Series

31. Calculator Result
Sequences & Series

32. Sequences & Series Calculator TI 84 2nd List Right, Right, 5
Screen displays sum(
2nd List Right, 5
Screen displays sum(seq(
Enter - Formula, Variable, Start value, end value))
Sequences & Series

33. Sequences & Series

34. Sequences & Series

35. Sequences & Series

36. An infinite series is denoted with an infinity series for the end value
Sequences & Series

37. Sometimes an infinite series converges on a single number, not infinity
Sequences & Series

38. 5
Sequences & Series

39.
Sequences & Series

40. 5 n 21
Sequences & Series

41. 2x10-n
Sequences & Series

42. 0.0002
2x10-n+1
Sequences & Series

43. 12
2n+2 54
Sequences & Series

44. 1/25
(-1)n+1 1/n2
973/1200
Sequences & Series

45. Homework Pages 563 – 565 7–13odd,21,23,27,31,33,41–47odd