Warm Up Perform the indicated operations. If the matrix does not exist, write impossible. 1. 2. 3. 4.

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Presentation transcript:

Warm Up Perform the indicated operations. If the matrix does not exist, write impossible

3.6 Matrix Multiplication So far, we've learned how to add and subtract matrices (the sizes had to be the same) and how to multiply a matrix by a scalar. These operations were easy. Multiplying two matrices is a bit different!

Row and Columns

Matrix Example

General Matrix Example

General Matrix Multiplication

Examples

Commutative Property

Examples

Extra Examples

Extension