When you are given two lines, there are many ways to determine if and where they intersect. You can graph them, solve by substitution, solve by elimination, and use matrices to solve.

Possible Systems Solutions

Two-Variable Linear Systems

Solving systems by elimination is the focus of this video.

Two-Variable Linear Systems Section 7.2 notes

Multi-Variable Linear Systems

 

Multivariable Linear Systems Section 7.3 notes

Systems of Inequalities

Systems of Inequalities Section 7-5 notes