Your skills checklist for Chapter 4 are listed below. Please copy these to a word document on your laptop or write them down in your notebooks. I ask that you refrain from printing them since you have access to them electronically at all times.
Skills List
On my own, without the assistance of the textbook, solutions guide, a classmate, or an instructor, I should be able to...
1. Add matrices. (4.1)
2. Subtract matrices. (4.1)
3. Multiply matrices by a scalar. (4.1)
4. Solve matrix equations. (4.1)
5. Multiply two matrices. (4.2)
6. Use matrix multiplication in applied, real-life word problems. (4.2)
7. Evaluate determinants of 2x2 and 3x3 matrices. (4.3)
8. Use Cramer's rule to solve systems of linear equations, as applied in Example 5. (4.3)
9. Find and use inverse matrices. (4.4)
10. Use inverse matrices in applied, real-life situations, such as encoding a message in Example 5. (4.4)
6. Use matrix multiplication in applied, real-life word problems. (4.2)
7. Evaluate determinants of 2x2 and 3x3 matrices. (4.3)
8. Use Cramer's rule to solve systems of linear equations, as applied in Example 5. (4.3)
9. Find and use inverse matrices. (4.4)
10. Use inverse matrices in applied, real-life situations, such as encoding a message in Example 5. (4.4)
Class/Homework Assignments:
4.1 - pp. 203-205; #6-36 (ending in 6, 7, and 9), 37, 38, 42 (Due Monday, November 22)
4.2 - pp. 211-212; #4-40 (ending 4, 6, and 0)
4.3 - 233-234; #5-60 (ending 2, 5, and 9) 55, 56, 60
4.2 - pp. 211-212; #4-40 (ending 4, 6, and 0)
4.3 - 233-234; #5-60 (ending 2, 5, and 9) 55, 56, 60