Math 320 Sections 1 and 2 - Calendar- Fall 2025

Last Updated: Thursday, September 11 2025 at 15:02 PM
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All numbers indicate sections from Linear Algebra (Lay) -- Sixth Edition.

R is for the reading assignment
C is for exercises that are assigned and will be collected
W is for exercises that are to be done online

Tuesday

Thursday

Sept. 2
Sept. 4
Lecture #1:
Intro to Math 320
Systems of Linear Equations
Gaussian Elimination
Matrices

Sept. 9
Lecture #2:
Echelon Form
Basic and Free Variables
Describing Solution Sets

Homework Due:
R 1.1-1.2
W MyLab: Orientation Problems
Sept. 11
Lecture #3:
Vector algebra
Spans of Vectors


Homework Due:
R 1.3
W MyLab: Hw 1
Sept. 16
Lecture #4:
Matrix-vector Multiplication
Ax=b
Dot Product
Parameterized Solutions

Homework Due:
R 1.4-1.5
Written Homework #1:
C 1.2: 1bc, 2bc, 20,26,32,35
C Additional Problems
Sept. 18
Quiz #1
Lecture #5:
Homogeneous Linear Equations
Nonhomogeneous Systems
Characterization of Nonhomogeneous Systems


Homework Due:
R 1.6-1.7
W MyLab: Hw 2
Sept. 23
Lecture #6:
Spanning set
Linear Independence


Homework Due:
R 1.8
Written Homework #2:
C 1.3: 6, 12,14,16,18,32
C 1.4: 2,4,12
C 1.5: 8,10,14
C Additional Problems
Sept. 25
Quiz #2
Lecture #7:
Number of vectors and Independence
Introduction to Linear Transformations


Homework Due:
W MyLab: Hw 3
Sept. 30
Oct. 2
Oct. 7
Oct. 9
Oct. 14
Oct. 16
Oct. 21
Oct. 23
Midterm
Topics TBA

Oct. 28
Oct. 30
Nov. 4
Nov. 6
Nov. 11
Nov. 13
Nov. 18
Nov. 20
Nov. 25
Nov. 27
Thanksgiving
Dec. 2
Dec. 4
Dec. 9
Dec. 11
Final Exam
Section 1: Thursday, December 18 at 8 AM
Section 2: Tuesday, December 16 at 11 AM


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