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Chapter 4. Introduction to Matrices. Dimensions of a Matrix. ROW. ELEMENT. COLUMN. The dimensions are stated as row by column and written R X C. Adding Matrices. Find A + B if. and. 2 X 2. 2 X 2. *You can only add two matrices if they have the same dimensions.

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Chapter 4

Chapter 4

Introduction to Matrices


Dimensions of a matrix
Dimensions of a Matrix

ROW

ELEMENT

COLUMN

The dimensions are stated as row by column and written R X C


Adding matrices
Adding Matrices

Find A + B if

and

2 X 2

2 X 2

*You can only add two matrices if they have the same dimensions.


Subtracting matrices
Subtracting Matrices

and

Find A – B if

2 X 2

2 X 2



Let s combine the operations
Let’s Combine the Operations!

If

and

find 4A – 2B


Tonight s homework

Tonight’s Homework:

Page 156 (11-15 odd)

Page 164 (15-29 odd)


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