Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization Using Difference of Squares

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Factor the difference of two squares and perfect square trinomials and solve quadratic polynomial equations by factoring.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization Using Difference of Squares

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Factor the difference of two squares and perfect square trinomials and solve quadratic polynomial equations by factoring.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization of Quadratic Expressions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers factoring quadratics when the leading coefficient is not one. Students can watch a video on factoring and then practice by attempting the problems...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization of Quadratic Expressions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Factor quadratic polynomial expressions of the form ax^2 + bx + c.
Activity
Math Medics

S.o.s. Math: Factoring Integers

For Students 9th - 10th
This S.O.S. tutorial gives students a basic review of factoring integers. Follow the tutorial to refresh your skills involving the rules for factoring numbers. Contains practice problems with links to the answers.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Factoring

For Teachers 9th - 10th
From pulling out the common factors of a polynomial to giving hints on how to factor a trinomial that does not have a leading coefficient of 1, a comprehensive tutorial for factoring polynomials is given as well as practice, interactive...
Activity
University of Saskatchewan (Canada)

University of Saskatchewan: Factoring Polynomials

For Students 9th - 10th
This site from the University of Saskatchewan provides an explanation of factoring by grouping, greatest common factor, perfect squares, and difference of squares. Higher degree polynomials factored as well. Some examples provided along...
Activity
Math Medics

S.o.s. Math: Algebra

For Students 9th - 10th Standards
This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...
PPT
Sophia Learning

Sophia: Finding a Polynomial Passing Through a Point: Lesson 2

For Students 9th - 10th Standards
This lesson uses the linear factorization theorem to find a particular function polynomial passing through a point given the zeros of that function. It is 2 of 7 in the series titled "Finding A Polynomial Passing Through A Point."
PPT
Sophia Learning

Sophia: Finding a Polynomial Passing Through a Point: Lesson 4

For Students 9th - 10th Standards
This lesson uses the linear factorization theorem to find a particular function polynomial passing through a point given the zeros of that function. It is 4 of 7 in the series titled "Finding A Polynomial Passing Through A Point."
Unit Plan
Sophia Learning

Sophia: Finding a Polynomial Passing Through a Point: Lesson 7

For Students 9th - 10th Standards
This lesson uses the linear factorization theorem to find a particular function polynomial passing through a point given the zeros of that function. It is 7 of 7 in the series titled "Finding A Polynomial Passing Through A Point."
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Factoring Polynomials by Grouping

For Students 9th - 10th
Twenty-five problems on factoring polynomials by grouping. To review the basics on this topic, click the "View Lesson" button at the top.
Unknown Type
Varsity Tutors

Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Factoring

For Students 9th - 10th
Practice using your graphing calculator for solving exponent problems and factoring polynomials. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.
Activity
Math Medics

S.o.s. Math: Factoring: Some Special Cases

For Students 9th - 10th
In this lesson, special cases of factoring are described, including perfect squares, difference of squares, and difference and sum of cubes. Exercises with answers included.
Activity
Wolfram Research

Wolfram Mathworld: Polynomial Factorization

For Students 9th - 10th Standards
This site discusses factoring of polynomials, giving a general definition, and many links to satisfy unfamiliar terminology. There are however very few examples.
Lesson Plan
Alabama Learning Exchange

Alex: Factoring Fanatic

For Teachers 9th - 10th
This activity is designed to give students practice in "finding" the correct factors to use when attempting to factor a trinomial. The students are provided with a Tic-Tac sheet to help them discover the relationship or pattern between...
Activity
Other

Interactive Algebra: Factoring With Negatives

For Students 9th - 10th
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.
Activity
Other

Interactive Algebra: Factoring Helper

For Students 9th - 10th
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.
Activity
Other

Interactive Algebra: Factoring, Lesson 2 1

For Students 9th - 10th
An interactive solver allows you to factor quadratic polynomials. The solver provides hints to help you factor before seeing the answer. Note: These quadratics have a leading coefficient of 1.
Handout
Northern Illinois University

Northern Illinois University: Roots Unique Factorization

For Students 9th - 10th
This site from the Northern Illinois University contains relevant information about complex nth roots of unity. Includes important formulas.
Activity
Cool Math

Coolmath: Complex Numbers Factoring the Sum of Two Squares

For Students 5th - 9th
Use this algebra lesson to learn how to factor the sum of two squares.
Unknown Type
Washington State University

Washington State University: Sample Problems From Intermediate Algebra

For Students 9th - 10th
Check for college math readiness using this problem sampler. Problems cover high school algebra topics, including linear and quadratic equations, factoring, radicals, rational expressions, synthetic division, complex numbers and more....
Unit Plan
CK-12 Foundation

Ck 12: Factor Quadratic Expressions With Negative Coefficients

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Factor quadratic expressions in which the coefficients a, b, and/or c are negative. Students can watch videos and follow along with notes. There is also practice...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Greatest Common Factor 2

For Students 9th - 10th Standards
Twenty-four problems present a variety of problems working with finding the greatest common factor and finding prime factorizations. They are given with each step to the solution cleverly revealed one at a time. You can work each step of...