'Find 3a' presentation slideshows

8.2

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Chapter 4

Chapter 4. Introduction to Matrices (pre section 4-4). Matrix. Plural: matrices A rectangular array of variables or constants in horizontal rows and vertical columns The variables & constants are called elements when they are in a matrix. Matrix.

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Chapter 4

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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