Chapter 3

Linear Systems

Where's the math?

The cables in this photo intersect at certain points, just like the graphs of linear equations might intersect.

How can you solve a system of linear equations?

How can you use linear programming to solve real-world problems?

How can you use a matrix to represent a system of equations?

You will learn how in this chapter.


Creating Equations

Reasoning with Equations and Inequalities

Big Ideas


Essential Question: How does representing functions graphically help you solve a system of equations?


Essential Question: How does writing equivalent equations help you solve a system of equations?

Solving Equations and Inequalities

Essential Question: How are the properties of equality used in the matrix solution of a system of equations?

Remind Stream

Wall of Wisdom