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Unit: Matrices
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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.Practice
- Matrix dimensionsGet 3 of 4 questions to level up!
- Matrix elementsGet 3 of 4 questions to level up!
Practice
- Represent linear systems with matricesGet 3 of 4 questions to level up!
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- Matrix row operationsGet 3 of 4 questions to level up!
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- Add & subtract matricesGet 3 of 4 questions to level up!
- Matrix equations: addition & subtractionGet 3 of 4 questions to level up!
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- Multiply matrices by scalarsGet 3 of 4 questions to level up!
- Matrix equations: scalar multiplicationGet 3 of 4 questions to level up!
Learn
Practice
- Multiply matricesGet 3 of 4 questions to level up!
Learn
Learn
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- Use matrices to transform 3D and 4D vectorsGet 3 of 4 questions to level up!
- Transform polygons using matricesGet 3 of 4 questions to level up!
- Understand matrices as transformations of the planeGet 3 of 4 questions to level up!
Practice
- Determinant of a 2x2 matrixGet 3 of 4 questions to level up!
Practice
- Determine inverse matricesGet 3 of 4 questions to level up!
- Determine invertible matricesGet 3 of 4 questions to level up!
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Practice
- Find the inverse of a 2x2 matrixGet 3 of 4 questions to level up!
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