* problems are to be turned in on the specified date. Do all of the problems, they are good for you! Note many answers are in the back of the text.
Due August 28:
p. 8: 1, 3, 5, 8, 9, 13, 14*, 15, 18*, 21*, 28
p. 19: 1, 2, 4, 5, 6, 9, 12, 13*, 15, 16*, 19*, 21
Due September 4:
p. 40: 1, 2, 3*, 4, 5, 6, 7*, 9*, 10*, 12, 13, 15, 16, 17*, 18, 19, 21*, 27, 28
p. 51: 1*, 2*, 3, 4, 5*, 6, 7*, 9*, 10, 11*, 12-15, 17, 20, 21*
p. 63 1-5, 6*, 7-9, 12-14, 16*, 17*, 18, 19, 21, 22
p. 75: 1-5, 6*, 7, 8*, 9, 11
Due September 11:
p. 75: 12*, 16, 17*, 18, 19, 20*, 21 (added 9/4)
p. 89: 1, 2, 4, 5, 6*, 7, 8, 9*, 12, 13*, 14, 15* plus
22, 23*, 24, 25*, 27-29. (added 9/4)
p. 101: 1-4, 5*, 6-10, 11*, 12, 13*, 15, 16*, 17*, 24.
Due September 16:
p. 115: 1, 2, 3*, 4, 5, 9-12, 13*, 16*, 18, 19*
Due September 25:
p. 127: 1-6, 7*, 9, 10*, 11, 14-17, 18*, 22*, 23, 24*, 29*
p. 140: 1*, 2-9, 11*, 12*, 13-15, 17*, more for next week.
Due October 2:
p. 140: 18, 20, 21*, 22, 23*, 24, 27, 31*.
Hint 1: Special solutions show how free columns are combination of pivot columns.
Hint 2: Note the words “if possible” for 21-28.
p. 151: 1-3, 7, 8*, 9, 10*, 11, 15, 16, 17*, 19, 20, 22.
p. 162: 1*, 2-4, 5*, 6-8, 10, 11* (a bit subtle), 12-19, 21*, 22-25, 26*, 28, 29*, 30
Due October 9:
p. 178: 1, 2, 5*, 8, 10*, 11, 12, 13*, 14, 15, 16*, 18, 19*, 20, 22, 23*, 24, 26, 28, 30*, 32, 35*, 38*, 39. Try #42 for a challenge!
p. 190: 1, 2*, 3-6, 7*, 8, 9, 11-12, 14*, 15, 16, 18, 19, 21, 22, 23*, 24-26, 30.
Due October 16:
p. 202: 1, 3-7, 9, 10, 11*, 13, 14, 15*, 17*, 19 - 21, 22*, 24, 25*
p. 214: 1, 2*, 3, 4*, 5*, 6, 7*, 8-11, 12*, 13*, 14*, 16, 17*, 18, 19*, 20.
Due October 23:
p. 226: 1-3, 4*, 5-11, 12*, 13, 14, 17*
p. 239: 1-4, 5*, 6, 7*, 8.
Due November 6:
p. 251: 1, 2*, 3*, 4, 5, 8-11, 13*, 14, 15, 16*, 17, 18*, 19*, 20.
p. 263: 1*, 2, 3*, 4, 5*, 6-8, 10*, 11-13, 15, 16, 17*, 20, 23, 27, 29, 30*, 31*.
Due November 13:
p. 293 1, 2*, 3, 4*, 5*, 6-11, 12*, 13, 14*.
p. 307 1, 2&, 3, 4, 5*, 6, 7*, 8, 9, 11*, 12-15, 16*, 17-21, 22*, 25*, 26, 27, 32.
Due November 20:
p. 325 1, 3*, 4, 5*, 6*, 7*, 8, 9*, 11*, 14, 18-22, 23*, 24, 26.
Due November 23:
p. 337 1-3, 4*, 5, 6*, 7*, 8, 9, 11, 12*, 13, 14, 15*, 16, 17*, 21, 23, 24