Lesson Systems Using Matrices

The Matrix

Using Matrices to Solve Systems

What you will learn:

What is a matrix?

How can we use matrices to solve 3 variable systems?

Multiple Choice

What is a Matrix?

• An equation of over 5 numbers or symbols 
• A set of numbers in rows and columns
• A method of finding the n^th value of a series
• A complicated number system

Multiple Choice

What is the name of each entry of a matrix?

• Row
• Element
• Dimension
• Rectangle

Multiple Choice

How many columns are in a 5 x 4 matrix?

• 5
• 4
• 20
• 9

Using Matrices

We are going to use matrices to solve systems of linear equations.

This is when you will see how to solve a 3 variable system!

We will be using a matrix calculator to do our problems.