Chapter 15
Solving Polynomials with Powers Three and Higher
A polynomial is a smooth curve that goes on and on forever, using input variables going from negative infinity to positive infinity. To solve a polynomial means to set the equation equal to 0 and determine which, if any, numbers create a true statement. Any numbers satisfying this equation give you important information: They tell you where the graph of the polynomial crosses or touches the x-axis.
The Problems You'll Work On
Solving polynomials in this chapter requires the following techniques:
What to Watch Out For
As you probably know, you can come up with a different answer to a math problem by simply confusing or forgetting one step; here are some things to watch out for:
Applying Descartes's Rule ...
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