Math 320 Sections 1 and 2 - Calendar- Fall 2025

Last Updated: Thursday, October 16 2025 at 17:21 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. 30
Lecture #8:
One and two step verification
Showing a function is linear
Showing a function is not linear

Homework Due:
R 1.9
Written Homework #3:
C 1.5: 20,27,28,30,47
C 1.7: 2,8,12,20,21
C Additional Problems
Oct. 2
Quiz #3
Lecture #9:
Matrix of Linear Transformation

Homework Due:
R 1.10
W MyLab: Hw 4
Oct. 7
Lecture #10:
1-1 and onto functions
Homework Due:
R 2.1
Written Homework #4:
C 1.7: 23,26,34
C 1.8: 2,4,10,20,22,24
C Additional Problems
Oct. 9
Quiz #4
Lecture #11:
Composition of functions
Matrix Multiplication

Homework Due:
W MyLab: Hw 5
Oct. 14
Lecture #12:
Properties of Matrix Multiplication
Transpose of a Matrix


Homework Due:
R 2.2
Written Homework #5:
C 1.9: 2,16,22,24,26,28,38
C Additional Problems
Oct. 16
Quiz #5
Lecture #13:
Inverse of a Matrix


Homework Due:
W MyLab: Hw 6
Oct. 21
Lecture #14:
Shoes and Socks Theorem
Elementary Matrices
Question for Exam
Homework Due:
R 2.3
Written Homework #6:
C 2.1: 2,6,10,20,21,22,35
C Additional Problems
Oct. 23
Midterm
Topics:
1.1-1.9, 2.1-2.2
W MyLab: Hw 7
(Due Friday, but good practice for exam)
Final Exam
Section 1: Thursday, December 18 at 8 AM
Section 2: Tuesday, December 16 at 11 AM


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