Date: Friday, September 27

Topics Covered:

Topics Covered:

- Matrix Multiplication: When it is or is not possible and how to perform it! (Day 9)
- Finding the Determinant of a 2x2 (Day 10)
- Finding the Determinant of a 3x3 (Day 10)
- Using Cramer's Rule for a 2x2 System of Equation (Day 10)
- SETTING UP Cramer's Rule for a 3x3 System of Equation (Day 10)
- Knowing and Explaining the Identity Matrix (Day 11)
- Explaining the Multiplicative Inverse (day 11)
- Inverse of a 2x2 Matrix (Day 11)
- Solving a Matrix Equation (Day 11)
- Using an Inverse Matrix To Solve a Linear System (Day 11)

**Reminder: Homework is due Friday, September 27th !!! This homework will be worth FOUR homework grades and there will be NO late submissions!**