Most problems in the real world involve many variables. So far, you have encountered two types of models that have multiple independent variables: linear models and multiplicative models. These are definitely the most commonly used multivariable models since they are easier to interpret and can cover a variety of situations. But they do not cover all the possibilities. Probably the next most commonly used model is a quadratic multivariable model. This is the generalization of a parabola. This chapter will introduce you to this model in several ways. First, you will learn how to create such models using regression and interaction terms. Then you will learn how to graph and visualize some of these models. This approach to graphing quadratics can then be used to graph other types of nonlinear models.
| As a result of this chapter, students will learn | As a result of this chapter, students will be able to |
|
|