In this lesson, students continue to practice relating the structure of equations to the situation and corresponding graphs. They use their understanding of constraints, equations, and points on a graph to explain whether a graph represents an equation and a situation. Along the way, students practice reasoning quantitatively and abstractly (MP2) and constructing logical arguments (MP3).

Students also work with the structure of linear equations outside of contextual situations. They analyze and rearrange equations to determine the slope and -intercept of their graphs and practice explaining their reasoning.

Technology isn't required for this lesson, but there are opportunities for students to choose to use appropriate technology to solve problems. We recommend making technology available.