Completion requirements
In this section, you will use many of the same tools you used to find zeros of polynomials to find the zeros of rational functions. Finding the zeros (intercepts) will help you graph rational functions without a calculator.
Ex: Find the Intercepts, Asymptotes, and Hole of a Rational Function
Source: Mathispower4u, https://www.youtube.com/watch?v=UnVZs2EaEjI
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License.