https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:matrices/x9e81a4f98389efdf:multiplying-matrices-by-scalars/v/scalar-multiplication 2021-03-19T16:21:23Z Multiplying matrices by scalars Sal defines what it means to multiply a matrix by a scalar (in the world of matrices, a scalar is simply a regular number). Sal Khan video https://cdn.kastatic.org/googleusercontent/RI6PSxq86LqdkDW1fzFutzFa-DpiNlmdm47YlUGwNn4HFEhtcDx6coGamBiUS2vjWufpZ1ysiGyCYxJrwY5xg52W Multiplying matrices by scalars Sal defines what it means to multiply a matrix by a scalar (in the world of matrices, a scalar is simply a regular number). https://cdn.kastatic.org/ka-youtube-converted/TbaltFbJ3wE.mp4/TbaltFbJ3wE.mp4 138 Multiplying matrices by scalars https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:matrices/x9e81a4f98389efdf:multiplying-matrices-by-scalars/a/multiplying-matrices-by-scalars 2021-04-29T07:56:44Z Multiplying matrices by scalars Learn how to find the result of a matrix multiplied by a real number. article https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:matrices/x9e81a4f98389efdf:multiplying-matrices-by-scalars/e/scalar_matrix_multiplication 2026-03-24T23:41:07.080866137Z Multiply matrices by scalars Practice your understanding of the process of multiplying a matrix by a scalar. Tomer Gal exercise https://www.khanacademy.org/math/algebra-home/alg-matrices/alg-multiplying-matrices-by-scalars/e/solve-matrix-equations-scalar-multiplication 2026-04-07T22:23:57.656416987Z Matrix equations: scalar multiplication Solve equations where the unknown is a matrix, by using matrix multiplication by a scalar. Tomer Gal exercise