Ch 3 - Systems of Linear Equations

Lecture Notes & Videos

Section 3-1A
Systems of Linear Equations - Part 1

Lecture Videos for Sec 3-1A
-----VIDEO: Introduction to a System of Linear Equations (Part 1 of 2)

-----VIDEO: Solving a System of Linear Equations by Graphing (Part 2 of 2)

Supplemental Videos for Sec 3-1A
-----VIDEO: Solving Systems of Linear Equations using Matrices on a TI-83

-----VIDEO: Solving Systems of Linear Equations using Matrices on a TI-84

Section 3-1B
Solving Systems of Linear Equations by Substitution Method and Elimination Method (also called Addition Method)

Lecture Videos for Sec 3-1B
-----VIDEO: Solving Systems of Linear Equations by the Substitution Method

-----VIDEO: Solving Systems of Linear Equations in Two Variables (Substitution Method & Elimination Method)

-----VIDEO: Solving Systems of Linear Equations by the Elimination Method (also called the Addition Method)

-----REVIEW: Solving a System of Equations WS with Answers

Section 3-2 Lecture Handout for Students

Sections 3-2A and 3-2B
Applications of Linear Systems and Other Word Problems

Lecture Videos for Sec 3-2A and 3-2B
More Videos To Be Uploaded Soon

-----VIDEO: Problem Solving Using A System of Linear Equations - Example #1

-----VIDEO: Problem Solving Using A System of Linear Equations - Example #3

-----VIDEO: Problem Solving Using A System of Linear Equations - Example #5

-----VIDEO: Problem Solving Using A System of Linear Equations - Example #7

-----VIDEO: Problem Solving Using A System of Linear Equations - Example #10

-----VIDEO: Problem Solving Using A System of Linear Equations - Example #15

-----VIDEO: Problem Solving Using A System of Linear Equations - Example #16

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