Chapter 4
Solving Equations
In This Chapter
Entering, editing, and solving equations in the Equation Solver
Guessing the value to find multiple solutions
Using the Solve function
Finding roots of polynomials
Solving systems of equations
Many students don’t know what a powerful tool their calculator is! You can use your calculator to solve all kinds of different equations. Three methods are discussed in this chapter: Equation Solver, Solve function, and the PlySmlt2 app. A fourth method of solving equations — graphing — is covered in Chapter 11.
One note that applies to all the methods of solving equations discussed in this chapter: Your calculator automatically displays irrational answers as decimals. For instance, the 
will be displayed as 1.414213562. This can be problematic if you ...
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