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Solving Systems of 2 Linear Equations in 2 Variables

Solving Systems of 2 Linear Equations in 2 Variables

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Author: Shirley Beil
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Tutorial

The following video will be available with closed captioning at:

http://youtu.be/ZuluO7YQXHg

Introduction to the Substitution and Elimination Methods

The following video will be available with closed captioning at:

http://youtu.be/o5r-s-wyCYs

Using WebAssign to Display Graphical Solutions

I used the second equation (not the first) of the 4th system to find the point (7,-8). However, since the equations are equivalent the result would have been the same had I used the first equation.

The following video will be available with closed captioning at:

http://youtu.be/7FxpVFA_tUw

Using INTERSECT on the GC to Solve a System Graphically

The following video will be available with closed captioning at:

http://youtu.be/hHz0cQgAQGY

Writing the General Solution for a System with Infinitely Many Solutions

The following video will be available with closed captioning at:

http://youtu.be/OVmgUKoYyqc

Practical Applications for Systems of 2 Linear Equations in 2 Variables