2. Rules Always answer in the form of a question Team names & buzzer sounds ready Points to be taken away for wrong answers? (Decide as a class…change this slide accordingly for future.)

3. 100 200 300 400 500 Formulas Arithmetic Geometric or Neither? Sum of Series Sigma Notation Find This Term 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500

4. Formulas - for 100 Remember to phrase your answer in the form of a question! t n of an Arithmetic Sequence

5. Formulas - for 100 t n =t 1 + (n-1)d

6. Formulas - for 200 Remember to phrase your answer in the form of a question! t n of a Geometric Sequence

7. Formulas - for 200 t n = t 1 r (n-1)

8. Formulas- for 300 Remember to phrase your answer in the form of a question! Sum of the first n terms of an Arithmetic Sequence

9. Formulas - for 300 S n = [n(t 1 + t n )] / 2

10. Formulas - for 400 Remember to phrase your answer in the form of a question! The Sum of the first n terms of a Geometric Series

11. Formulas - for 400 S n = [t 1 (1-r n )] / (1- r)

12. Formulas - for 500 Remember to phrase your answer in the form of a question! Sum of all terms in an Infinite Geometric Series

13. Formulas - for 500 S = t 1 / (1 – r)

14. Arithmetic, Geometric, or Neither? - for 100 Remember to phrase your answer in the form of a question! 1, 5, 25, 125…

15. Arithmetic, Geometric, or Neither? - for 100 Geometric

16. Arithmetic, Geometric, or Neither? - for 200 Remember to phrase your answer in the form of a question! t n = 4n+3

17. Arithmetic, Geometric, or Neither? - for 200 Arithmetic

18. Arithmetic, Geometric, or Neither- for 300 Remember to phrase your answer in the form of a question! 18, 22, 26, 30…

19. Arithmetic, Geometric, or Neither? - for 300 Arithmetic

20. Arithmetic, Geometric, or Neither? - for 400 Remember to phrase your answer in the form of a question! t n = log (n+1)

21. Arithmetic, Geometric, or Neither? - for 400 Neither

22. Arithmetic, Geometric, or Neither? - for 500 Remember to phrase your answer in the form of a question! -3, -1, 1, 3, …

23. Arithmetic, Geometric, or Neither? - for 500 Arithmetic

24. Sum of Series - for 100 Remember to phrase your answer in the form of a question! Find the sum of the arithmetic series in which… n=40 t 1 =-12 and t 40 =183

25. Sum of Series - for 100 S n =3420

26. Sum of Series - for 200 Remember to phrase your answer in the form of a question! Find the sum of the following arithmetic series

27. Sum of Series - for 200 S n =3925

28. Sum of Series - for 300 Remember to phrase your answer in the form of a question! Find the sum of the geometric series in which… n=10 r=-3 and t 1 =2

29. Sum of Series - for 300 S n =-29,524

30. Sum of Series - for 400 Remember to phrase your answer in the form of a question! Find the sum of the following geometric series

31. Sum of Series - for 400 Sn=Sn=

32. Sum of Series - for 500 Remember to phrase your answer in the form of a question! Find the sum of the following infinite geometric series

33. Sum of Series - for 500 S=

34. Sigma Notation- for 100 Remember to phrase your answer in the form of a question! Write in expanded form:

35. Sigma Notation- for 100 11+12+13+14+15+16

36. Sigma Notation- for 200 Remember to phrase your answer in the form of a question! Write in expanded form:

37. Sigma Notation- for 200 2+4+8+16+32+64

38. Sigma Notation- for 300 Remember to phrase your answer in the form of a question! Write using sigma notation: -9+3 -1+1/3+….

39. Sigma Notation- for 300

40. Sigma Notation- for 400 Remember to phrase your answer in the form of a question! Write using sigma notation: The series consisting of positive three-digit integers divisible by 5.

41. Sigma Notation- for 400

42. Sigma Notation- for 500 Find the value of: Remember to phrase your answer in the form of a question!

43. Sigma Notation- for 500 21

44. Find This Term - for 100 Remember to phrase your answer in the form of a question! Find t 21 of the following arithmetic sequence… 4, 9, 14, 19, …

45. Find This Term - for 100 t 21 =104

46. Find This Term - for 200 Remember to phrase your answer in the form of a question! t 5 =24 t 9 =40 Find t 1 of this arithmetic sequence

47. Find This Term - for 200 t 1 =8

48. Find This Term - for 300 Remember to phrase your answer in the form of a question! Find t 11 of the following sequence 40, -20, 10, -5, …

49. Find This Term - for 300 t 11 =

50. Find This Term - for 400 Remember to phrase your answer in the form of a question! Find t 5 of the geometric sequence when t 2 =18 and t 3 =12

51. Find This Term - for 400 t5=t5=

52. Find This Term - for 500 Remember to phrase your answer in the form of a question! Tell whether the following sequence is arithmetic or geometric, then find a formula for the n th term 2a + 1, 3a + 3, 4a + 5, …

54. Find This Term - for 500 Arithmetic t n = (n + 1) a + (2n - 1)