Lesson Plan: Solving Linear Equations Graphically
This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to represent and interpret linear graphs and use them to solve linear equations.
Objectives
Students will be able to
- understand that the graph of gives all pairs of values that make the equation true, while has one solution only, given by the -coordinate of the point of intersection of and ,
- solve linear equations by using their graphs,
- solve real-life problems involving solving linear equations graphically.
Prerequisites
Students should already be familiar with
- graphing a given linear equation.
Exclusions
Students will not cover
- linear equations in the form ,
- function notation,
- systems of linear equations.
