Substitution and Elimination Methods
LearnZillion: Find the Slope of a Line on the Coordinate Plane
LearnZillion: Find the Slope and y-Intercept of a Line
Solving Systems of Equations (3x3's)
LearnZillion: Graph a Line Using x and y Intercepts
Solving Linear Quadratic Systems Algebraically
LearnZillion: Graph Lines in Point Slope Form
Solving Linear Quadratic Systems Graphically