1. Solving Systems of Equations and Inequalities Jeopardy
Graphing
Substitution
In 3
Variables
Elimination
Method
Inequalities
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 from Graphing
Solve and graph by hand:
y = x - 2
y = -2x + 7

3. $100 Answer from Graphing
(3, 1)

4. $200 Question from Graphing
Solve by hand:
y = 3x + 4
y = 3x – 2

5. $200 Answer from Graphing
No solution since
the lines are parallel

6. $300 Question from Graphing
Solve the system by hand:
2x + 4y = 12
x + y = 2

7. $300 Answer from Graphing
(-2, 4)

8. $400 Question from Graphing
Solve the system by graphing and
state whether the system is consistent
or inconsistent.
7x – y = 6
-7x+y = -6

9. Solution is all real numbers and it is consistent.
$400 Answer from Graphing
Solution is all real numbers and it is consistent.

10. $500 Question from Graphing
Solve the system by graphing:
x = 10
x = y - 10

11. $500 Answer from Graphing
(10, 20)

12. $100 Question from Substitution
Solve the system by substitution:
4x + 3y = 4
y = 2x - 7

13. $100 Answer from Substitution
(2.5, -2)

14. $200 Question from Substitution
Solve by substitution.
2x – 3y = 6
x + y = -12

15. $200 Answer from Substitution
(-6, -6)

16. $300 Question from Substitution
Solve by substitution.
-y = -3x
4x + 3y = 26

17. $300 Answer from Substitution
(2, 6)

18. $400 Question from Substitution
Solve by substitution.
y = 5x
4x + 2y = 7

19. $400 Answer from Substitution
(.5, 2.5)

20. $500 Question from Substitution
Solve by substitution and state whether the system is dependent or independent.
y = 2x + 3
5x – 4y = 6

21. $500 Answer from Substitution
(-6, -9) and it is independent

22. $100 Question from In 3 Variables
Solve. 3x – y + z = 3
y = 1
z = 1

23. $100 Answer from In 3 Variables
(1, 1, 1)

24. $200 Question from In 3 Variables
Solve x + 2y + 3z = 6
y + 2z = 0
z = 2

25. $200 Answer from In 3 Variables
(8, -4, 2)

26. $300 Question from In 3 Variables
3x + y + z = 7
x + 3y – z = 13
y = 2x - 1

27. $300 Answer from In 3 Variables
(2, 3, -2)

28. $400 Question from In 3 Variables
Solve. x – y – 2z = 4
-x + 2y + z = 1
-x + y – 3z = 11

29. $400 Answer from In 3 Variables
(0, 2, -3)

30. $500 Question from In 3 Variables
Solve. x + 2y + z = 4
2x – y + 4z = -8
-3x + y – 2z = -1

31. $500 Answer from In 3 Variables
(3, 2, -3)

32. $100 Question from Elimination Method
Solve by elimination
x + 2y = 10
x + y = 6

33. $100 Answer from Elimination Method
(2, 4)

34. $200 Question from Elimination Method
Solve by elimination.
5x + 3y = 30
3x + 3y = 19

35. $200 Answer from Elimination Method
(6, 0)

36. $300 Question from Elimination Method
Solve by elimination.
4x – 6y = -26
-2x + 3y = 13

37. $300 Answer from Elimination Method
All Real numbers – coinciding lines

38. $400 Question from Elimination Method
Solve by elimination
5x – 2y = -19
2x + 3y = 0

39. $400 Answer from Elimination Method
(-3, 2)

40. $500 Question from Elimination Method
Solve by elimination
x + 3y = 7
2x – y = 7

41. $500 Answer from Elimination Method
(4, 1)

42. $100 Question from Inequalities
The solution to a system of
Inequalities is _______________.

43. $100 Answer from Inequalities
The feasible region - the area of the graph where the shaded areas overlap.

44. $200 Question from Inequalities
Solve. x > 3
y < 4

45. $200 Answer from Inequalities

46. $300 Question from Inequalities
State the difference in solutions to equalities and inequalities.

47. $300 Answer from Inequalities
In equalities the solution is the a point (point of intersection) and in inequalities the solution is the overlapping shaded areas.

48. $400 Question from Inequalities
Graph the system of inequalities
to find the feasible region.
y > -1
y < 2x + 1

49. $400 Answer from Inequalities

50. $500 Question from Inequalities
Give an example of a system of
equations containing no
solutions.

51. $500 Answer from Inequalities
Answer should be any two equations
that have the same slope. Meaning
that the lines are parallel.

52. Final Jeopardy
How can learning to solve systems of equations help solve real life situations?

53. Final Jeopardy Answer
Answers can vary –
Check with the teacher!