## Math 3120 Introduction to Linear Algebra

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### Homework 3

Due Monday February 25, in class
• Section 2.3
• Read Section 2.3. Do the True/False questions (p. 143). Do Problem 2.64, 2.65. WeBWorK reading question due February 11 @ 11:45 am.
• In class (group work): 2.67(b), 2.73, 2.76
• Homework: 2.67(d), 2.68, 2.70, 2.74, 2.78, 2.79, 2.81, 2.82
• Hand In: 2.67(d), 2.79, 2.81, 2.82
• WeBWorK assignment due February 18 @ 11 pm
• Section 3.1
• Read Section 3.1. Do the True/False questions (pp. 156-157). Do Problem 3.1, 3.3. WeBWorK reading question due February 18 @ 11:45 am.
• In class (group work): 3.6, 3.13, 3.15(b)
• Homework: 3.5, 3.7, 3.9, 3.10, 3.11, 3.12, 3.14, 3.15, 3.17, 3.19, 3.20, 3.21 (typo: "$$0X=0$$"), 3.22, 3.23, 3.24
• Hand In: 3.7, 3.15(e), 3.19, 3.24
• WeBWorK assignment due February 25 @ 11 pm
• Section 3.2
• Read Section 3.2. Do the True/False questions (p. 173). Do Problem 3.26, 3.27. WeBWorK reading question due February 20 @ 11:45 am.
• In class (group work): 3.41, 3.44
• Homework: 3.29, 3.30, 3.31, 3.35, 3.34, 3.42, 3.46, 3.49, 3.51, 3.52, 3.54, 3.56, 3.58
• Hand In: 3.34, 3.42, 3.54
• WeBWorK assignment due February 27 @ 11 pm