1. 2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Row Operations Matrix Operations Inverse Find the determinant ETC.

2. What size is the following matrix?

4. Write the following system.

6. Solve by row operations.

9. No Solution

10. Solve by row operations.

12. Find x and y

22. Prove the following are inverses

23. Show me!!!!!!

24. Find the inverse

26. Solve using inverse matrices

30. Solve using inverse matrices (use graph calc)

38. True or False

42. Find the area of the triangle ABC using determinants

44. Find y so the triangle has an area of 4

46. Use determinants to find the equation of the line through

48. Solve by Cramer’s Rule