logo logo

What Is An Augmented Matrix?

To solve a system of linear equations, we can use substitution, elimination or something we call augmented matrices. To use matrices to solve a system of linear equations, we first enter the values associated with each of the variables and the answer. Once we put the information into a matrix (a rectangular array of numbers), we can use matrix operations to solve the equation.

Example of an Augmented Matrix


augmented matrix

augmented matrix

Definitions:

  • Elements: Each of the entries in the augmented matrix
  • Rows: The numbers or variables that run across the matrix.
  • Columns: The numbers or variables that run down the matrix.
  • The diagonal of the matrix: The set of elements that starts at the top, left corner and runs diagonally down and to the right. (This diagonal: 2, -1 and 4.)

What Is An Augmented Matrix?


This video is brought to you by Brightstorm, where you can see over 2,000 free math videos.


More Practice Problems:


What Is An Augmented Matrix?


More Practice Problems at Brightstorm:


What Is An Augmented Matrix?


SAT Test Prep

Brightstorm also has 24/7 SAT test prep! Don’t take a chance at missing out on your first choice school because of a low SAT score. Plan your SAT studying around your schedule with this great SAT test prep program!

Citation styles

APA style
What Is An Augmented Matrix?. (2010, October 18). In ClassBrain Math. Retrieved 00:38, February 8, 2012, from http://www.classbrainmath.com/2010/03/augmented-matrix/
MLA style
Cynthia Kirkeby, “What Is An Augmented Matrix?.” ClassBrain Math. 18 October 2010, 05:09 UTC. . 8 Feb 2012 <http://www.classbrainmath.com/2010/03/augmented-matrix/>.
MHRA style
Cynthia Kirkeby, 'What Is An Augmented Matrix?', ClassBrain Math, 18 October 2010, 05:09 UTC, <http://www.classbrainmath.com/2010/03/augmented-matrix/> [accessed 8 February 2012]
The Chicago Manual of Style
Cynthia Kirkeby, “What Is An Augmented Matrix?.” ClassBrain Math, http://www.classbrainmath.com/2010/03/augmented-matrix/ [accessed February 8, 2012].
CBE/CSE style
Cynthia Kirkeby, What Is An Augmented Matrix? [Internet]. ClassBrain Math; 2010 October 18, 05:09 UTC [cited 2012 Feb 8]. Available from: http://www.classbrainmath.com/2010/03/augmented-matrix/.
Bluebook style
What Is An Augmented Matrix?, http://www.classbrainmath.com/2010/03/augmented-matrix/ (last visited Feb. 8, 2012).
AMA style
Cynthia Kirkeby, What Is An Augmented Matrix?. ClassBrain Math. October 18, 2010, 05:09 UTC. Available at: http://www.classbrainmath.com/2010/03/augmented-matrix/. Accessed February 8, 2012.
bottom

Leave a Reply

Your email address will not be published. Required fields are marked *

*

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>

bottom