Learning goals: Teacher Facing Comprehend that the graph of a linear equation in two variables represents all pairs of values that are solutions to the equation. Interpret points on a graph of a linear equation to answer questions about the quantities in context. Use graphing technology to graph linear equations and identify solutions to the equations. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from Alg1.2 Linear Equations, Inequalities, and Systems, Algebra 1.