Chapter 12

Graphing Inequalities

In This Chapter

Graphing one-variable inequalities

Starting and quitting the Inequality app

Entering and graphing inequalities

Shading intersections and unions

Storing data points

Solving linear programming problems

With the Inequality app that comes preloaded on the TI-84 Plus family of graphing calculators, you can graph functions and inequalities of the form y ≤ f(x), y < f(x), y ≥ f(x), and y > f(x). You can even graph and shade regions formed by the union or intersection of several inequalities. You can also use this app to solve linear programming problems. If you don’t know what linear programming is, see the explanation in the linear programming section in this chapter.

Graphing One-Variable Inequalities

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