Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization of Quadratic Expressions

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Learn how to factor quadratic expressions.
Activity
National Council of Teachers of Mathematics

The Math Forum: Factoring Polynomials

For Students 9th - 10th Standards
Links to numerous question/answer sessions on factoring polynomials.
Handout
Oswego City School District

Regents Exam Prep Center: Factoring the Difference of Two Perfect Squares

For Students 9th - 10th
Use this site to learn the trick to factoring when the polynomial is a difference of two perfect squares. The site contains examples that are easy to follow.
Unit Plan
Math Planet

Math Planet: Polynomial Equations in Factored Form

For Students 9th - 10th Standards
All equations are composed of polynomials. If you know how to solve equations containing polynomials of the first degree, then you can solve equations of higher degree. One way to solve a polynomial equation is to use the zero-product...
Activity
Discovery Education

Discovery Education: Web Math: Factoring Polynomials by Finding the Gcf

For Students 9th - 10th
This WebMath online tool is useful for factoring polynomials by finding the greatest common factor. Simply plug the numbers in and you are on your way!
Handout
Math Medics

S.o.s. Math: Factoring Over the Complex Numbers

For Students 9th - 10th Standards
S.O.S. Math provides information, including examples, on factoring over the complex numbers.
Handout
Math Medics

S.o.s. Math: Fundamental Theorem of Algebra

For Students 9th - 10th Standards
This lesson takes a look at the Fundamental Theorem of Algebra. It gives information on solving multiplicity of roots and quadratic polynomials. Also gives a brief history and provides some learning exercises to practice.
Unit Plan
CK-12 Foundation

Ck 12: Find Imaginary Solutions

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson, students are finding complex roots of polynomials and applications of the Fundamental Theorem of Algebra. Students examine guided notes, review...