# Math 110 — Linear Algebra About Fall Winter OnQ About Fall Winter OnQ

Date Topic Book HomeworkHmwk Practice ProblemsProbs
Sept. 13 Introduction to the course §1.1
15 Vectors §1.1   14, 16, 18, 20, 23
16 Length, angle §1.2   17, 18, 32, 33
20 Projection §1.2 40, 41, 46, 49, 61
22 The cross product p. 48—49 1, 2, 4, 5
23 More about the cross product H1
27 Linear equations and matrices §2.1-2 A1 §2.1: 1, 3, 6, 9, 28
29 Solving linear equations with matrices I §2.2 1, 2, 10, 11, 17, 19
30 Solving linear equations with matrices II   H2
Oct. 4 Rank §2.2 A2 23, 24, 40, 48
6 Linear combinations §2.3 1, 3, 5, 10, 11, 20
7 Functions and linear transformations §3.6 H3 3 – 6
11 More about linear transformations §3.6 A3 7 – 10
13 Some geometric linear transformations §3.6 36, 37, 38
14 In-class exam #1 §3.3 H4
18 Representing linear transformations §3.6 A4 23, 24, 25
20 Representing linear transformations II §3.6
21 Matrix Multiplication §3.1 H5 5, 6, 11, 12, 17, 18
25 More matrix multiplication §3.1 A5 23—28, 31, 32
27 Transformations and equations
28 Invertible transformations §3.3 H6 8
Nov. 1 Computing the inverse §3.3 A6 48, 49, 52, 53, 54
3 Subspaces §3.5 1 – 8
4 More subspaces §3.5 H7 15, 16,
8 Linear dependence §2.3 A7 22 – 24
10 In-class exam #2
11 Linear independence §2.3 H8 25, 26, 44, 46
15 Bases §3.5 A8 45, 46, 47
17 Dimension §3.5
18 Proof of the key lemma §3.5 H9 39, 40,
22 The rank-nullity theorem §3.5 A9 41, 42
24 Translates
25 More translates H10
29 The Kernel Principle A10
Dec. 1 More Kernel Principle
2 Odds and Ends H11
6   A11
8
9   H12
13   A12