Math 20
Spring 2012

Home Homework Resources Calendar, Syllabus, and Office Hours Exams
Week Online Homework
due Friday and Tuesday mornings at 8am
Written Homework
due Wednesdays at 4pm
1 OHW1.1
OHW1.2
HW1: (hand in by 4pm Wed. Apr 11)

4.8: #26, 34, 43, 44
5.1: #4, 16, 18, 20
5.2: #32, 38

(Note: Show your work!!! Credit is not awarded for solutions alone.)
Solutions for homework 1
2 OHW2.1
OHW2.2
HW2: (hand in by 4pm Wed. April 18)

5.2: #42, 48
5.3: #12, 16, 28, 59
5.4: #4, 10, 14, 20

Recommended 5.3: 1-28 (excellent practice, but not to hand in).
Some good suggestions: 20, 23, 24, 25.
Solutions for homework 2
Lab 1, with solutions
3 OHW3.1
OHW3.2
HW3: (hand in by 4pm Wed. April 25)

5.5: #16, 18, 28, 44, 61, 68
5.6: #6, 12, 16, 18

Recommended (not to hand in)
5.5: #12, 21, 25
5.6: #4, 11, 14
Solutions for homework 3
Lab 2, with solutions
4 OHW4.1
OHW4.2
HW4: (hand in by 4pm Wed. May 2nd)

5.5: #24, 32, 48
5.6: #10, 14, 26
5.7: #19, 23
Solutions for homework 4
You may find this helpful for some of the more difficult problems in 5.7. Polynomial long division care of Khan Academy.
Lab 3, with solutions
5
OHW5.1
OHW5.2
HW5: (hand in by 4pm Wed. May 9)

5.7: #2, 6, 11, 16, 22, 30
5.9: #7, 18, 30
Lab 4, with solutions
Solutions for homework 5
6 OHW6.1
OHW6.2
HW6: (hand in by 4pm Wed. May 16)

5.10: #2, 6, 26, 43, 44, 51
pg. 425: #16, 20, 29, 30

(recommended but not to hand in: 5.10: #10, 23, 30, 51)
Solutions for homework 6
7 OHW7.1

No written homework this week.

Lab 5, with solutions
8 OHW8.1
OHW8.2
HW7: (hand in by 4pm Wed. May 30)

6.1 #8, 15, 16, 18, 24, 40
6.2 #3, 4, 6, 9, 12



Spring 2012 -- Department of Mathematics, Stanford University