Middle School Math

Unit H: Systems of Equations and Inequalities

Unit H Objectives:
  • Solve a system of linear equations by identifying patterns in a table
  • Determine whether a system of linear equations has 0, 1, or infinite solutions
  • Solve a system of linear equations by graphing
  • Solve real-world problems involving systems of equations
  • Solve a system of linear equations using substitution
  • Solve a system of linear equations using elimination
  • Determine the best method for solving systems of equations
  • Solve a system of linear inequalities by graphing
  • Solve real-world problems involving systems of inequalities
Online Textbook Help

 

Solving Systems of Equations by Substitution

System Solver - Note that the System Solver is a tool intended to illustrate the rationale behind the symbolic operations used to solve systems of linear equations, and not a way to learn what procedures to follow.
Solving Systems of Inequalities

 
Practice HSA Release Items

Directions: Click on the links below to view HSA prototype items.

Write your answer on a sheet of paper.

You must use the back arrow of your browser to get back to this page.

Use the table at the bottom of this page to check your answers.

1. 2004 - item 31

CLG 1.1.2

2. 2004 - item 33

CLG 1.1.2

3. 2005 - item 3

CLG 1.1.2

4. 2005 - item 12

CLG 1.1.2

5. 2005 - item 18

CLG 1.1.2

6. 2006 - item 8

CLG 1.1.2

7. 2006 - item 12

CLG 1.1.2

8. 2006 - item 18

CLG 1.1.2

9. 2007 - item 10

CLG 1.1.2

10. 2007 - item 27

CLG 1.1.2

11. 2007 - item 28

CLG 1.1.2

 12. 2008 - item 3

CLG 1.1.2

 13. 2008 - item 14

CLG 1.1.2

 14. 2008 - item 32

CLG 1.1.2

 15. 2004 - item 2

CLG 1.2.3
16. 2004 - item 14

CLG 1.2.3

 17. 2004 - item 32

CLG 1.2.3

 18. 2005 - item 7

CLG 1.2.3

 19. 2005 - item 25

CLG 1.2.3

20. 2005 - item 37

CLG 1.2.3
21. 2006 - item 15

CLG 1.2.3

 22. 2006 - item 20

CLG 1.2.3

 23. 2006 - item 29

CLG 1.2.3

 24. 2007 - item 11

CLG 1.2.3

 25. 2007 - item 14

CLG 1.2.3
26. 2007 - item 20

CLG 1.2.3

 27. 2007 - item 22

CLG 1.2.3

 28. 2008 - item 4

CLG 1.2.3

 29. 2008 - item 23

CLG 1.2.3

30. 2008 - item 29

CLG 1.2.3

31. 2004 - item 8

CLG 1.2.2

32. 2004 - item 10

CLG 1.2.2

33. 2004 - item 19

CLG 1.2.2

34. 2005 - item 8

CLG 1.2.2

35. 2005 - item 21

CLG 1.2.2

36. 2005 - item 26

CLG 1.2.2

37. 2006 - item 4

CLG 1.2.2

38. 2007 - item 8

CLG 1.2.2

39. 2007 - item 17

CLG 1.2.2

40. 2008 - item 6

CLG 1.2.2

41. 2008 - item 8

CLG 1.2.2

42. 2008 - item 35

CLG 1.2.2

 

 

 

 

Practice HSA Release Answers

Directions:

Adjust your browswer window to hide these answers while you answer the questions above.

Click on the links below to view sample answers for the BCR and ECR questions. Keep in mind that these pages show both good and not so good answers. Look at them carefully to determine what information the student included to get the better score.

You must use the back arrow of your browser to get back to this page.
1. G 2. BCR 3. A 4. ECR 5. G
6. C 7. ECR 8. D 9. D 10. C
11. ECR 12. B 13. ECR 14. C 15. J
16. 1.5 17. D 18. B 19. D 20. 2.5
21. 5 22. A 23. A 24. A 25. Answers may range from 3.9 to 4.1
26. D 27. ECR 28. A 29. D 30. 6
31. F 32. G 33. ECR and ECR 34. F 35. ECR
36. J 37. B 38. A 39. C 40. D
41. ECR 42. C      

 

Last update November 8, 2008