# Formula for the determinant of a 2-by-2 matrix.

math.la.t.mat.det.2x2

# The inverse of 2x2 matrices

The formula for the inverse of a 2x2 matrix is derived. (need tag for that formula)

##### math.la.t.mat.det.2x2
Created On
February 17th, 2017
7 years ago
Views
2
Type
Video
Timeframe
Pre-class
Perspective
Introduction
Language
English
Content Type
text/html; charset=utf-8

# Matrix Inverses, definition and 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.

##### math.la.t.eqn.mat.inv
Created On
August 22nd, 2017
7 years ago
Views
4
Type
Video
Language
English
Content Type
text/html; charset=utf-8

# Determinant of a Matrix - A First Course in Linear Algebra

Before we define the determinant of a matrix, we take a slight detour to introduce elementary matrices. These will bring us back to the beginning of the course and our old friend, row operations.

##### math.la.t.mat.det.2x2
License
GFDL-1.2
Submitted At
September 11th, 2017
7 years ago
Views
3
Type
Textbook
Language
English
Content Type
text/html

# Matrix Inverse: Pre-Class Quiz (Canvas)Awaiting Moderation

Pre-class quiz (four questions) on the matrix inverse to be completed by students after having watched a pre-class video on the topic.

##### math.la.t.mat.det.2x2
License
CC-BY-SA-4.0
Created On
August 1st, 2016
8 years ago
View
1
Type
Formative Quiz
Timeframe
Pre-class
Perspective
Introduction
Language
English
Content Type
text/html; charset=utf-8