MATH 220 is a second-year undergraduate course on matrices.

In Spring 2011 I served as the course coordinator. Here are
some **materials for all sections** of the course.

- Important information for all sections of MATH 220.
- The Midterm Exam was Tuesday, March 1, 6:30-7:45 PM (75 minutes).
- Midterm Exam, with answers indicated.
- The Final Exam was Wednesday, May 4, 4:40-6:30 PM (110 minutes).
- Final Exam, with answers indicated.
- Some sample exams.
- Some sample midterm exams.
- Some sample final exams.

In Spring 2011 I taught Section 003 of the course. Here are
some **materials for my section** of the course.

- Important information for MATH 220 Section 003.
- Homework #1 due Tuesday January 18: Section 1.1 of the textbook, Exercises 3, 5, 7, 9, 11, 13, 17, 18, 23, 24, 33, 34.
- Homework #1: partial solutions of graded exercises.
- Homework #2 due Tuesday January 25: Section 1.2 Exercises 3, 4, 6, 11, 12, 15, 22, 23, 24, 29, and Section 1.3 Exercises 5, 9, 14.
- Homework #2: partial solutions of graded exercises.
- Homework #3 due Tuesday February 1: Section 1.3 Exercises 4, 12, 19, 24, 26, 29, 31, 33, 34, and Section 1.4 Exercises 1, 2, 3, 4, 9, 10, 16, 17, 23, 24, 33.
- Homework #3: partial solutions of graded exercises.
- Solution for Quiz #1 version A.
- Solution for Quiz #1 version B.
- Homework #4 due Tuesday February 8: Section 1.5 Exercises 5, 15, 20, 21, 24, 25, 29, 30, 32, 37, and Section 1.7 Exercises 5, 6, 21, 22, 27, 32, and Section 1.8 Exercises 1, 2, 3, 4, 8.
- Homework #4: partial solutions of graded exercises.
- Homework #5 due Tuesday February 15: Section 1.8 Exercises 9, 11, 13, 14, 15, 16, 19, 22, 29, and Section 1.9 Exercises 2, 3, 7, 15, 18, 22, 24, 27, 31, 32, 35.
- Homework #5: partial solutions of graded exercises.
- Homework #6 due Tuesday February 22: Section 2.1 Exercises 2, 8, 9, 10, 12, 14, 15, 16, 18, 20, 22, 25, 26, 27, 34, and Section 2.2 Exercises 2, 3, 6, 7, 8, 9, 10, 13, 17, 18, 19, 21, 22, 29, 30, 31, 32, and Section 2.3 Exercises 2, 3, 4, 11, 12, 15, 16.
- Homework #6: partial solutions of graded exercises.
- Homework #7 due Tuesday March 1: Section 2.3 Exercises 5, 7, 21,
23, and Section 2.8 Exercises 6, 8, 12, 16, 18, 20, 22, 24, 26, 32,
34, plus
**Review Exercises**: Section 1.2 Exercises 12, 14, and Section 1.3 Exercises 11, 14, 26, and Section 1.4 Exercises 33, 34, and Section 1.5 Exercises 2, 12, 16, and Section 1.7 Exercises 11, 13, 15, 16, 17, 18, 31, and Section 1.8 Exercises 3, 5, 10, and Section 1.9 Exercises 17, 21, and Section 2.1 Exercises 3, 11, 17, and Section 2.2 Exercises 29, 31, 37. - Homework #7: partial solutions of graded exercises.
- Homework #8 due Tuesday March 15: Section 2.9 Exercises 1, 3, 5, 9, 11, 13, 15, 17, 19, 21, 25, 27.
- Homework #8: partial solutions of graded exercises.
- Homework #9 due Tuesday March 22: Section 2.9 Exercises 12, 14, 18, and Section 3.1 Exercises 3, 4, 11, 12, 21, 23, 24, 37, 38, 39, 40, and Section 3.2 Exercises 1, 2, 5, 8, 10, 11, 12, 15, 16, 21, 22, 25, 26, 28.
- Homework #9: partial solutions of graded exercises.
- Homework #10 due Tuesday March 29: Section 5.1 Exercises 1, 3, 4, 7, 8, 11, 14, 16, 18, 20, 21, 27, 31, 32, 35, 36.
- Homework #10: partial solutions of graded exercises.
- Homework #11 due Tuesday April 5: Section 5.2 Exercises 1, 4, 5, 8, 10, 11, 14, 16, 18, 20, 24, and Section 5.3 Exercises 2, 4, 5, 6, 9, 10, 11, 12, 22, 24.
- Homework #11: partial solutions of graded exercises.
- Homework #12 due Tuesday April 12: Section 5.3 Exercises 1, 3, 6, 7, 8, 19, 20, 26, and Section 6.1 Exercises 3, 6, 12, 17, 18, 20, 23, 24, 27, 28, and Section 6.2 Exercises 3, 4, 9, 10, 12, 13, 14, 16.
- Homework #12: partial solutions of graded exercises.
- Homework #13 due Tuesday April 19: Section 6.2 Exercises 7, 8, 15, 19, 20, 23, 24, 26, 30, and Section 6.3 Exercises 1, 2, 5, 6, 7, 8, 11, 12, 16, 21, 22, and Section 6.4 Exercises 3, 4, 7, 8, 10, 11.
- Homework #13: partial solutions of graded exercises.
- Homework #14 due Tuesday April 26: Section 6.5 Exercises 3, 4, 6, 9, 10, 24, 25, Section 7.1 Exercises 10, 12, 18, 20, 26, 34.
- Homework #14: partial solutions of graded exercises.

t20@psu.edu / 6 May 2011