In this inquiry activity, students discover why we shade inequality graphs.
Students will create simple graphs based on a description of the heights of two people, Jack and Jill. One will lead to a line, and one will lead to a shaded portion of the graph.
This is a quick lesson I use to introduce two-variable inequalities and how they look on a graph.
I try to make the idea simple so students get the concept!
You will receive a PDF of the student sheet and a key with notes for you.
Graph the solutions to a linear inequality in two variables as a half-plane (excluding the boundary in the case of a strict inequality), and graph the solution set to a system of linear inequalities in two variables as the intersection of the corresponding half-planes.
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System of Equations or Inequalities Project