column   4 videos

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  Two Column Proofs

  Geometry Triangles

  How to organize a two column proof.

  statement reason cpctc prove show congruent triangles
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  Simplifying Determinants

  Precalculus Systems of Linear Equations and Matrices

  How to simplify determinants using three row (or column) operations.

  determinant row operations column operations interchanging rows common factors adding a multiple of one row to another
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  Introduction to Matrices

  Algebra 2 Matrices

  How to talk about matrices.

  matrix dimensions element row column
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  Square Matrices

  Precalculus Systems of Linear Equations and Matrices

  How to determine whether two matrices can be multiplied, and if so, what the dimensions of the product will be.

  matrices rows columns dimension matrix multiplication