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Discovery Education
Discovery Education: Web Math: Factor a Polynomial With Three Terms Trinomials
This WebMath site allows a student to type in any trinomial and find the factorization of that trinomial and an explanation.
Texas Instruments
Texas Instruments: Polynomial Root Finder App
This App allows students to calculate real and complex roots for polynomials up to degree 30 using eigenvalues and easily graph polynomials.
Khan Academy
Khan Academy: Factor Polynomials: Quadratic Methods
Factor polynomials that can be factored as the product of a monomial and a quadratic expression, then further factor the quadratic expression.
Other
Interactive Algebra: Factoring With Negatives
These randomly generated polynomials allow you practice factoring. Some of the polynomials contain leading coefficients that are negative. Hints are available when needed and, when ready, you can check your answer.
Other
Interactive Algebra: Factoring Helper
This interactive site allows you to enter a quadratic expression and work through the steps of factoring. Hints and the answer are available to help with the process.
Help Algebra
Help algebra.com: Factoring Polynomials
Several types of factoring are covered in this article, including common factors, grouping, special factors, and completing the square. The examples include detailed explanations of the factoring process.
CK-12 Foundation
Ck 12: Algebra: Factor Polynomials Using Special Products
[Free Registration/Login may be required to access all resource tools.] This lesson covers factoring perfect square trinomials and the difference of squares.
Other
Quick Math: Factor Polynomials
The process of factoring is essential to the simplification of many algebraic expressions and is a useful tool in solving higher degree equations. In fact, the process of factoring is so important that very little of algebra beyond this...
University of Guelph
University of Guelph: Physics Tutorials: Algebra
This site reviews factoring quadratics, factoring higher order polynomials, and partial fractions.
Math Planet
Math Planet: Monomials and Adding or Subtracting Polynomials
Gain an understanding of how to add or subtract polynomials by viewing an example and a video lesson.
CK-12 Foundation
Ck 12: Find Imaginary Solutions
[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...
Math2
Math2.org: Polynomial Identities
This resource provides a list of polynomial identities, including formulas for squaring a binomial, FOILing a trinomial, factoring a difference of two squares, factoring a sum or difference of two cubes, and the Quadratic Formula.
Wyzant
Wyzant: Factoring a Gcf From an Expression
This tutorial demonstrates how to factor the GCF out of a polynomial expression. An online worksheet is provided for extra practice.
Sophia Learning
Sophia: Zeros and Their Multiplicities: Lesson 1
This lesson demonstrates how to use factoring to find the zeros of a polynomial function, and explains how to tell if a particular zero occurs more than once. It is 1 of 6 in the series titled "Zeros and Their Multiplicities." Includes...
Interactive Mathematics
Interactive Mathematics: Factoring and Fractions
Polynomials are the focus of these lessons, concentrating on factoring and special products to work with rational expressions. Interactive tools of Live Math and Scientific Notebook are used to provide animated solutions to the examples....
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Factoring by Grouping
Find a quick, concise explanation of how to factor by grouping. Several examples are given and clearly explained.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Factoring Monomials
Find a quick, concise explanation of how to factor monomials. An example is given and clearly explained.
CK-12 Foundation
Ck 12: Algebra: Factoring by Grouping
[Free Registration/Login may be required to access all resource tools.] Group terms in quadratic expressions to help completely factor them.
CK-12 Foundation
Ck 12: Algebra: Factoring by Grouping
[Free Registration/Login may be required to access all resource tools.] Learn how to factor quadratic expressions by grouping.
CK-12 Foundation
Ck 12: Algebra: Factoring by Grouping
[Free Registration/Login may be required to access all resource tools.] Group terms in quadratic expressions to help completely factor them.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Polynomial Inequality Problem
This site from Drexel University answers student question about solving polynomial inequalities, "Dr. Math" provides a fairly thorough explanation in how to solve such problems.
Annenberg Foundation
Annenberg Learner: The X Factor Trinomials and Algebra Tiles
This is the first of two algebra lesson plans from Annenberg Learning. Find plans to teach students how to factor trinomials. This lesson plan is part of a larger workshop for teachers that offer insights into teaching algebra.
Google
Google for Education: Measuring Complexity of Function or Algorithm
In this lesson, students learn how to measure the complexity of the function or algorithm in a math problem and understand how this applies to real world situations.
Purple Math
Purplemath: Factoring Polynomials: How To
Demonstrates the steps involved in factoring a general polynomial, including using the Rational Roots Test and synthetic division. Shows how to "cheat" with a graphing calculator.