Problems 1-2
These problems are the Essential Ideas for this section. Work through both of these problems.

Problems 3-11
See Example 1 and 2.

Problems 12-14
See Example 3.

Problems 15-17
These are called cubic equations. In order to draw a graph, select x-values and find the corresponding y-values to find ordered pairs satisfying the given equations. Plot those ordered pairs on a coordinate system and then connect those points to draw a graph.

Problems 18-28
See Examples 1 and 2.

Problems 29-40
See Example 4.

Problems 41-46
See Example 3.

Problems 47-49
See Example 5.

Problems 50-52
See Example 6.

Problems 53-54
See Example 1 and 2.

Problem 55
See Examples 4 and 5.

Note: Homework Hints are given only for the levels 1 and 2 problems. You can also check some sources for homework help on the Internet (see Links, below), or you can call the author at (707) 829-0606 or send an e-mail to: smithkjs@mathnature.com