# MATH231

Resources for MATH231, Spring 2017

### Course information

MATH231 is a course on Linear Algebra.

• Prerequisites: One semester of calculus.

• Textbook: Introduction to Linear Algebra, by Gilbert Strang.
• Quizzes: There will be quizzes throughout the semester, one every aproximately two weeks. There will be no make-up quizzes.
• Homework : There will be homework due every week. It will generally be due every Monday, and will be posted online. The lowest homework will be dropped. Problems will be assigned directly from the book. Partial credit may be given for homework assignments. Absolutely no late homeworks will be accepted.
• Grading: The grading scheme will consist of: 25% homework, 75% quizzes. The rubric will roughly be: 88-100 is the A range, 75-87 is the B range, 60-74 is the C range, 50-59 the D range, and anything below 50 is an F.
• Professor Office Hours: MW 9:30-10:30

### Announcements:

• Week 1: No homework scheduled.
• Week 2: Due Monday, February 6: Section 1.1: 2,5,15,18,23,28. Section 1.2: 2,5,8 (for part b, problem 19 could be helpful) ,13,17,19. Section 1.3: 1,3,4,6,8,10.
• Week 3: No class on Monday, February 13. Quiz on Wednesday, February 15. Homework due Wednesday, February 15: Section 2.1: 7, 12, 20, 26. Section 2.2: 6, 11, 13, 23, 31. Section 2.3: 3, 7, 12, 23, 24.
• Week 4: No class on Monday, February 20 (President's day). Cancelling class on Wednesday, February 22 (rescheduling for a later date).
• Week 5: Due Monday, March 6: Section 2.4: 1, 7, 13, 17, 23, 34, Section 2.5: 6,7,14,18,27,40. Section 2.6: 3,6,11,13,16,23.
• Week 6: Homework due Monday, March 13: Section 2.7: 1, 4, 9, 16, 17, 23. Section 3.1: 9,10,13,19,23,26,27. QUIZ ON MONDAY, MARCH 13 on Sections 2.4-2.7 and 3.1. Practice problems for the quiz: Section 2.4: 14, 15, 19. Section 2.5: 8, 9, 15, 27. Section 2.6: 6, 12, 21. Section 2.7: 5, 7, 11, 13, 18. Section 3.1: 1, 2, 4, 5, 10, 18, 19, 20, 24, 28, 29.
• Week 7: Homework due Monday, March 20: Section 3.2: 6,9,14,18,21,23,31. Section 3.3: 1,8,15,19,21,22. Section 3.4: 6, 8, 13, 23, 34.
• Week 8: Homework due Monday, March 27: Section 3.5: 2, 5, 13, 17, 23, 36, 38. Section 3.6: 5,9,14,16,24,25,27. QUIZ ON WEDNESDAY, MARCH 29, on Sections 3.2-3.6. Practice problems for quiz: Section 3.2: 10, 17, 26, 30. Section 3.3: 9, 11, 18, 20. Section 3.4: 4, 10, 15, 17, 31. Section 3.5: 6, 10, 16, 20, 24, 26. Section 3.6: 11, 12, 17, 21, 26.
• Week 9: Homework due Monday, April 3: Section 4.1: 10,11,13,16,22,24,25. Section 4.2: 6, 11, 14, 16, 27.
• Week 10: No classes.
• Week 11: Homework due Wednesday, April 19: Section 4.3: 1,2,3,5,6,17,19,22. Section 4.4: 4,10,16,18,21,23. QUIZ ON WEDNESDAY, APRIL 19 on Sections 4.1-4.4. Practice problems for quiz: Section 4.1: 17, 20, 21, 26, 28. Section 4.2: 8, 9, 19. Section 4.3: 7, 8, 18, 22. Section 4.4: 8, 11, 22.
• Week 12: Homework due Wednesday, April 26: Section 5.1: 3, 6, 12, 15, 34. Section 5.2: 12, 16, 24, 27. Section 5.3: 1, 6, 7, 10, 12, 16, 19. QUIZ ON WEDNESDAY, APRIL 26 on Sections 5.1-5.3. Review questions for quiz: Section 5.1:  8, 9, 18, 25. p. 26. Section 5.2: 5, 9.  Section 5.3: 8, 11
• Week 13: Homework due Wednesday, May 3: Section 6.1: 3,9,13,18,21,25. Section 6.2: 1,4,6,12,13,15,30.
• Week 14: Homework due Wednesday, May 10: Section 6.4: 5,10,18,21,26. Section 6.5: 10,13,20,21,28. Section 6.6: 1,6,7,12,13,20. QUIZ ON WEDNESDAY, MAY 10 on Sections 6.1,6.1, 6.4, 6.5, 6.6.
• Week 15: Homework due Wednesday, May 17: Section 7.1: 3, 6, 8, 14, 17, 19. Section 7.2: 1, 2, 3, 4, 5, 6, 8, 10, 13, 14, 15, 19, 20, 21. Section 8.5: 2, 3, 8. QUIZ ON WEDNESDAY, MAY 17 on Sections 7.1, 7.2, 8.5.