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Jeopardy

Jeopardy. Arithmetic Series. Patterns. Arithmetic Sequences. Geometric Sequences. Geometric Series. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. Jeopardy. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. Final Jeopardy.

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Jeopardy

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  1. Jeopardy

  2. Arithmetic Series Patterns Arithmetic Sequences Geometric Sequences Geometric Series 100 100 100 100 100 200 200 200 200 200 Jeopardy 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 Final Jeopardy

  3. 100 Category 1 3, 6, 9, ___, ___,___ Answer

  4. Answer 100 Category 1 3, 6, 9, 12, 15, 18

  5. 200 Category 1 20, 12, 4 , ___, ___,___ Answer

  6. Answer 200 Category 1 20, 12, 4 , -4, -12, -20

  7. 300 Category 1 800, 400, 200, , ___, ___,___ Answer

  8. Answer 300 Category 1 800, 400, 200, 100, 50,25

  9. 400 Category 1 3, 5, 8, 12, ___, ___,___ Answer

  10. Answer 400 Category 1 3, 5, 8, 12, 17, 23,30

  11. 500 Category 1 1,1,2,3,5,8 , ___, ___,___ Answer

  12. Answer 500 Category 1 1,1,2,3,5,8 , 13, 21,34

  13. 100 Category 2 Write the rule if a1= 10 d = 3 Answer

  14. Answer 100 Category 2 Write the rule if a1= 10 d = 3an = 7 + 3n

  15. 200 Category 2 Write the rule ifa3= 15 d = -2 Answer

  16. Answer 200 Category 2 Write the rule ifa3= 15 d = -2an = 21 - 2n

  17. 300 Category 2 Write the first 5 terms for an=6+5n Answer

  18. Answer 300 Category 2 Write the first 5 terms for an=6+5n11, 16, 21, 26, 31

  19. 400 Category 2 Find a20 for 10, 6, 2, -2... Answer

  20. Answer 400 Category 2 Find a20 for 10, 6, 2, -2…an =14 - 4nso a20 = 14 - 4(20) = -66

  21. 500 Category 2 Find the rule if a3 = 5 and a7 = 9Remember this is an arithmetic category Answer

  22. Answer 500 Category 2 Find the rule if a3 = 5 and a7 = 9__,__,5,__,__,__,9d = (9-5)/(7-3) =1an = 2 +1n

  23. 100 Category 3 Find the S3 for 10, 8, 6... Answer

  24. Answer 100 Category 3 Find the S3 for 10, 8, 6…10+8+6 =24

  25. 200 Category 3 Find the S5 for 3,7,11,15... Answer

  26. Answer 200 Category 3 Find the S5 for 3,7,11,15…3+7+11+15+19=55or 5/2(3+19)=55

  27. 300 Category 3 Find the S7if an = 2 - 3n Answer

  28. Answer 300 Category 3 Find the S7if an = 2 - 3n-1+ -4+-7+-10+-13+--16+-19= -70

  29. 400 Category 3 12 S 10 + 5i i = 1 Answer

  30. Answer 400 Category 3 12 S 10 + 5i i = 1 15+20+25+30+35+40+45+50+55+60+65+70=510 OR 12/2 (15+70) = 510

  31. 500 Category 3 11 S 5 - i2 i = 3 Hint Sn Formula won’t work! Answer

  32. Answer 500 Category 3 11 S 5 - i2 i = 3 -4+-11+-20+-31+-44+-59+-76+-95 +-116 =-456

  33. 100 Category 4 Write the rule if r = 6 and a1 =7 and find a10 Answer

  34. Answer 100 Category 4 Write the rule if r = 6 and a1 =7 an = 6(5)n-1 a10 = 6(5)10-1= 11,718,750

  35. 200 Category 4 Write the rule for 2, 10, 50, 250... Answer

  36. Answer 200 Category 4 Write the rule for 2, 10, 50, 250… an = 2(5)n-1

  37. 300 Category 4 Write the rule for 360,120, 40... Answer

  38. Answer 300 Category 4 Write the rule for 360,120, 40… an =360(1/3)n-1

  39. 400 Category 4 Write out the first 5 terms if an = 3(2)n-1 Answer

  40. Answer 400 Category 4 Write out the first 5 terms if an = 3(2)n-1 3, 6, 12, 24, 48

  41. 500 Category 4 Find the 2 geometric means between 3 and 648 Answer

  42. Answer 500 Category 4 Find the 2 geometric means between 3 and 648 3, , ,648 18,108

  43. 100 Category 5 Find the S3 for 5, 30, 180 Answer

  44. Answer 100 Category 5 Find the S3 for 5+ 30+ 180=215

  45. 200 Category 5 Find the S5 for 10, -30, 90, -270 Answer

  46. Answer 200 Category 5 Find the S5 for 10+ -30+ 90+ -270+810=610

  47. 300 Category 5 Find the S7 for 200,100,50... Answer

  48. Answer 300 Category 5 Find the S7 for 200+100+50+25+25/2+25/4+25/8=396.875

  49. 400 Category 5 3 S 3(2)(i-1) i = 1 Answer

  50. Answer 400 Category 5 3 S 3(2)(i-1) i = 1 3+6+12 = 21

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