Finding Zeros of Polynomials Using Graphing Calculators

This video tutorial teaches how to find the roots of polynomials using graphing calculators and algebraic methods. It covers polynomial division, the quadratic formula, and the fundamental theorem of algebra. The tutorial emphasizes the importance of verifying solutions algebraically, even when using graphs, and explains how to find complex and imaginary roots. The lesson concludes with a final example demonstrating these techniques.

What is the polynomial function given in the lesson?

How can we find the roots of a polynomial according to the lesson?

Describe the process of using long division to find polynomial factors.

What is the significance of the quadratic formula in finding zeros?

Explain the fundamental theorem of algebra as discussed in the lesson.

What method is used to check if x plus 2 is a factor of the polynomial?

What does it mean when a root is referred to as a double root?