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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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Practice

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Multiplying matrices by scalars

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Multiply matrices by scalarsGet 3 of 4 questions to level up!

Adding and subtracting matrices

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Add & subtract matricesGet 3 of 4 questions to level up!

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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Use matrices to transform 3D and 4D vectorsGet 3 of 4 questions to level up!

Multiplying matrices by matrices

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Multiply matricesGet 3 of 4 questions to level up!

Properties of matrix multiplication

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Quiz 2

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Representing systems of equations with matrices

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Use matrices to represent systems of equationsGet 3 of 4 questions to level up!

Introduction to matrix inverses

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Determine invertible matricesGet 3 of 4 questions to level up!

Finding inverses of 2x2 matrices

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Finding inverses of 2x2 matrices
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Find the inverse of a 2x2 matrixGet 3 of 4 questions to level up!

Solving linear systems with matrices

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Solving linear systems with matrices
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Use matrices to solve systems of equationsGet 3 of 4 questions to level up!

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.