math.la.d.mat.nonsingular.inv
Statements that are equivalent to a square matrix being invertible; examples.
Definition of the inverse of a matrix, examples, uniqueness; formula for the inverse of a 2x2 matrix; determinant of a 2x2 matrix; using the inverse to solve a system of linear equations.
A four-question check-your-understanding quiz for students to complete after having watched a pre-class video on the Invertible Matrix Theorem.
Pre-class quiz (four questions) on the matrix inverse to be completed by students after having watched a pre-class video on the topic.