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Multiplying Matrices

This precalculus video tutorial provides a basic introduction into multiplying matrices. It explains how to tell if you can multiply two matrices together and how to determine the order of the new matrix. The order of the new matrix is based on the rows of the first matrix and the number of columns in the second matrix. To multiply two matrices together, multiply the rows of the first matrix by the columns of the second matrix and find the sum of the products. This video contains plenty of examples and practice problems on matrix multiplication. Introduction to Matrices:    • Intro to Matrices   Adding and Subtracting Matrices:    • Adding and Subtracting Matrices   Scalar Multiplication of Matrices:    • Scalar Multiplication of Matrices and...   Solving Matrix Equations:    • Solving Matrix Equations   Multiplying Matrices:    • Multiplying Matrices   __________________________________ Gaussian Elimination & Row Echelon Form:    • Gaussian Elimination & Row Echelon Form   Gauss Jordan Elimination:    • Gauss Jordan Elimination & Reduced Ro...   Gaussian Elimination With 4 Variables:    • Gaussian Elimination With 4 Variables...   Inverse of a 2x2 Matrix:    • Inverse of a 2x2 Matrix   Inverse of a 3x3 Matrix:    • Inverse of a 3x3 Matrix   __________________________________ Determinant of 2x2 and 3x3 Matrix:    • Determinant of 3x3 Matrices, 2x2 Matr...   Determinant of 4x4 Matrix:    • How To Find The Determinant of a 4x4 ...   Cramer's Rule - 2x2 Linear System:    • Cramer's Rule - 2x2 Linear System   Cramer's Rule - 3x3 Linear System:    • Cramer's Rule - 3x3 Linear System   ___________________________________ Final Exams and Video Playlists: https://www.video-tutor.net/ Full-Length Videos and Worksheets:   / collections