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Lesson: Real and Complex Roots of Polynomials

In this lesson, we will learn how to find the number and type of roots of polynomials and how to find unknown coefficients if the roots are given.

Question Video: Forming Quadratic Equations in the Simplest Form given Their Roots

02:55

Worksheet: Real and Complex Roots of Polynomials • 15 Questions

Q1:

Find, in its simplest form, the quadratic equation whose roots are and .

A
B
C
D

Q2:

If is a root of the polynomial , what is the value of ?

Q3:

How many roots does the polynomial have?

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