Upper Bound and Lower Bound Finding Zeros Using Synthetic Division

Learn how to use the upper bound and lower bound when doing synthetic division to help you more quickly find the zeros. We go through an example in this free math video tutorial by Mario's Math Tutoring.

0:25 What are Zeros and how to find them.
0:40 Using the Rational Root Theorem to find possible rational Zeros
1:37 Being Strategic when you pick your Zeros to test
2:09 Using the Upper Bound to Narrow Down the Zeros
3:40 Using the Lower Bound to Narrow Down the Zeros
4:40 Quick Summary of the Upper and Lower Bound when doing Synthetic Division

Other Helpful Videos Related to this Topic:

Descartes Rule of Signs
   • Descartes Rule of Signs  

Synthetic Division
   • How to do Synthetic Division  

Rational Root Theorem
   • Rational Root Theorem  

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