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# Matrices

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Intro to matricesIntro to matrices

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Matrix dimensionsGet 3 of 4 questions to level up!

Matrix elementsGet 3 of 4 questions to level up!

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Representing linear systems with matrices

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Represent linear systems with matricesGet 3 of 4 questions to level up!

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Matrix row operations

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Matrix row operationsGet 3 of 4 questions to level up!

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Solving linear systems with matrices

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Adding & subtracting matricesAdding & subtracting matrices

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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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Multiplying matrices by scalarsMultiplying matrices by scalars

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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!

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Intro to zero matricesProperties of matrix additionProperties of matrix scalar multiplication

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Intro to matrix multiplicationMultiplying matricesMultiplying matrices

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Multiply matricesGet 3 of 4 questions to level up!

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Defined matrix operationsMatrix multiplication dimensionsIntro to identity matrixIntro to identity matricesDimensions of identity matrixIs matrix multiplication commutative?Associative property of matrix multiplicationZero matrix & matrix multiplicationProperties of matrix multiplicationUsing properties of matrix operationsUsing identity & zero matrices

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Transforming vectors using matricesTransforming polygons using matricesMatrices as transformationsMatrix from visual representation of transformationVisual representation of transformation from matrix

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Transform vectors using matricesGet 3 of 4 questions to level up!

Transform polygons using matricesGet 3 of 4 questions to level up!

Matrices as transformationsGet 3 of 4 questions to level up!

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Determinant of a 2x2 matrix

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Determinant of a 2x2 matrixGet 3 of 4 questions to level up!

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Intro to matrix inversesDetermining invertible matrices

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Determine inverse matricesGet 3 of 4 questions to level up!

Determine invertible matricesGet 3 of 4 questions to level up!

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Finding inverse of a 2x2 matrix using determinant & adjugate

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

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Representing linear systems with matrix equationsSolving linear systems with matrix equationsMatrix word problem: vector combination

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Represent linear systems with matrix equationsGet 3 of 4 questions to level up!

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Matrix word problem: prices