jdlogo

jdlogo

jdlogo

jdlogo

jdlogo

Home

Coordinates,Distance and Midpoint

Linear Inequalities

The Graphical Method

Substitution & Elimination

Solving Systems Using Matrices

Problem Solving

Systems of Inequalities

Systems with 3 Equations in 3 Unknowns

Review&Test

UNIT 2  : SYSTEMS OF EQUATIONS

LESSON 8 :  SOLVING SYSTEMS OF 3 EQUATIONS IN 3 UNKNOWNS USING MATRICES

 

 

Definition:  A matrix is a rectangular array of numbers consisting of

rows and columns as below.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note:  The Matrix Method may be used in place of either elimination or substitution.

 

 

 

Return to top of page

Click here to go to homework questions