Solving Systems of Equations by Graphing

Expand on learners' understanding of quadratic-linear systems. Building on the graphic understanding developed in the previous lesson, pupils learn algebraic methods of solving the systems. 

Lets keep the system working and show learners the three ways to solve linear systems of equations. Each method includes step-by-step instructions to work their way through the problem. The same problem is used for each method to show...

Get hands on with solving systems of equations graphically. A solid lesson plan uses guided practice to show how to solve systems of linear equations. It allows time for sharing ideas and provides a printable matching activity...

If your class has a grasp on the concept of graphing systems of equations and has worked with inequalities, then it's time to expose them to the wonders of graphing systems of inequalities. Using various colors and a graph, Sal explains...

Sal evaluates a word problem and then solves it by graphing systems of equations. This problem would be significant as a daily challenge, as a concept review, or as a homework assignment. Show this video only after the students have had...

Sal teaches how to use graphing as a tool, not a hindrance, in this helpful video. His lecture would make a good resource for your algebra class, particularly as the focus shifts to graphing problems and linear systems.

Sal uses the elimination method to simplify a system of three variables. Next, he employs the substitution method to check his solution. This resource would nicely complement any lesson on this topic.

Systems are meant to be solved. An educational video teaches scholars how to graph systems of linear equations to determine whether they have one solution, no solution, or many solutions. They also see how to graph systems of equations...

Solve equations and graph systems of inequalities. Designed as a lesson plan to reinforce these concepts, learners revisit shading and boundaries along with solving linear inequalities.

One way to solve a system of equations is to graph two equations and find the point of intersection. This method is demonstrated on a whiteboard to help your mathematicians understand the concept. An easy way to check your solution is...