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Unit: Matrices

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Introduction to matrices

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Using matrices to represent data

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Multiplying matrices by scalars

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Adding and subtracting matrices

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Properties of matrix addition & scalar multiplication

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Using matrices to manipulate data

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Quiz 1

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Matrices as transformations of the plane

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Using matrices to transform the plane

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Transforming 3D and 4D vectors with matrices

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Multiplying matrices by matrices

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Properties of matrix multiplication

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Quiz 2

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Representing systems of equations with matrices

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Introduction to matrix inverses

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Finding inverses of 2x2 matrices

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Solving linear systems with matrices

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Quiz 3

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Unit test

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About this unit

Learn what matrices are and about their various uses: solving systems of equations, transforming shapes and vectors, and representing real-world situations. Learn how to add, subtract, and multiply matrices, and find the inverses of matrices.