More Lessons for Grade 9
Videos, worksheets, games and activities to help Algebra students learn about matrices and how they can be used.
What is a Matrix?
A matrix is a rectangular array of variables or constants in horizontal rows and vertical columns, usually enclosed in brackets.
Each value in a matrix is called an element.
The dimensions of a matrix is the size of the matrix measured in rows and columns.
A row matrix is a matrix with only one row.
A column matrix is a matrix with only column row.
A square matrix is a matrix with the same number of rows as columns.
A zero matrix is a matrix in which every element is zero..
Equal matrices have the same dimensions and each element is equal.
Introduction to Matrices
Operations with Matrices
Addition, subtraction and scalar multiplication
How to multiply two matrices
What a matrix is.
How to add and subtract them.
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