Q $100

1. Jeopardy Student Choice Special Systems Substitution Addition Challenge Q $100 Q $100 Q $100 Q $100 Q $100 Q $200 Q $200 Q $200 Q $200 Q $200 Q $300 Q $300 Q $300 Q $300 Q $300 Q $400 Q $400 Q $400 Q $400 Q $400 Q $500 Q $500 Q $500 Q $500 Q $500 Final Jeopardy

2. $100 Question s Substitution { y = x + 2 y = 2x - 5

3. $100 Answer s Substitution (7, 9)

4. $200 Question s Substitution { x = y - 1 x + 2y = 8

5. $200 Answer s Substitution (2, 3)

6. $300 Question s Substitution { y = x – 10 x – 2y = 3

7. $300 Answer s Substitution (17, 7)

8. $400 Question s Substitution { x – y = -3 2x + y = 12

9. $400 Answer s Substitution (3, 6)

10. $500 Question s Substitution { y – x = 8 5x + 2y = 9

11. $500 Answer s Substitution (-1, 7)

12. $100 Question s Addition { 3x + y = 6 5x – y = 10

13. $100 Answer s Addition (2, 0)

14. $200 Question s Addition { 3x + 2y = 10 3x – 2y = 14

15. $200 Answer s Addition (4, -1)

16. $300 Question s Addition { x + y = 12 2x + y = 6

17. $300 Answer s Addition (-6, 18)

18. $400 Question s Addition { 3x – y = 2 -8x + 2y = 4

19. $400 Answer s Addition (-4, -14)

20. $500 Question s Addition { 2x = y + 20 3x + 2y = -19

21. $500 Answer s Addition (3, -14)

22. $100 Question s Student Choice { y = 3 – x 2x – y = 6

23. $100 Answer s Student Choice (3, 0)

24. $200 Question s Student Choice { -2x – y = -5 3x + y = -1

25. $200 Answer s Student Choice (-6, 17)

26. $300 Question s Student Choice

27. $300 Answer s Student Choice

28. $400 Question s Student Choice y = x + 3 -2x + y = -4

29. $400 Answer s Student Choice (7, 10)

30. $500 Question s Student Choice { 2x + y = 8 3x + 5y = 5

31. $500 Answer s Student Choice (5, -2)

32. $100 Question s Special Systems Classify and state the number of solutions. { y = 4 – 3x 3x + y = 4

33. $100 Answer s Special Systems Consistent and Dependent Infinitely Many Solutions

34. $200 Question s Special Systems 1.) What kinds of lines are inconsistent? 2.) Compare the slopes of the lines in an inconsistent system. 3.) Compare the y-intercepts of the lines in an inconsistent system.

35. $200 Answer s Special Systems 1.) Parallel 2.) The slopes are the same. 3.) The y-intercepts are different.

36. $300 Question s Special Systems Classify and state the number of solutions. { y + 3x – 2 = 0 9x + 3y = 6

37. $300 Answer s Special Systems Consistent and Dependent Infinitely Many Solutions

38. $400 Question s Special Systems Classify and give the number of solutions. { y + 3x = -1 x = y + 3x - 1

39. $400 Answer s Special Systems Consistent and Independent One Solution

40. $500 Question s Special Systems Classify and give the number of solutions. { 3x – 2y = 9 -6x + 4y = 1

41. $500 Answer s Special Systems Inconsistent No Solution

42. $100 Question s Challenge Solve twice. Use substitution AND addition. { 4x + y = 10 -2x = y + 4

43. $100 Answer s Challenge (7, -18)

44. $200 Question s Challenge Solve by graphing. { y = 5/2x + 2 y = 2x + 4 $50 BONUS Describe a real-life situation that could be represented by this data.

45. $200 Answer s Challenge (4, 12) One bowling alley charges $2.50 per game plus $2.00 for shoe rental. Another charges $2.00 per game plus $4.00 for shoe rental. For how many games will the cost of bowling be the same at both places.

46. $300 Question s Challenge Solve using addition. { 9x – 2y = 15 4x + 3y = -5

47. $300 Answer s Challenge (1, -3)

48. $400 Question s Challenge { 2x – 3y – z = 12 y + 3z = 10 z = 4

49. $400 Answer s Challenge (5, -2, 4)

50. $500 Question s Challenge A group of students go out for lunch. If two have hamburgers and five have hot dogs, the bill will be $8.00. If five have hamburgers and two have hot dogs, the bill will be $9.50. What is the price of a hamburger?