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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.
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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.
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Interactive
Other

Interactive Algebra: Factoring, Lesson 2 2

For Students 9th - 10th
Practice factoring trinomials with these randomly generated problems. Stuck on finding the right factors? Hints are available, as well as the answer. Continue practicing until you feel comfortable factoring.
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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.
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Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra

For Students 9th - 10th
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
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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....
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Website
Wyzant

Wyzant: Factoring Numbers

For Students 3rd - 8th
Never quite understood factors? This site explains it all. Review what a factor is and how to find it.
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Activity
Math Notes and Math Tests

Pre Calculus Notes: The Fundamental Theorem of Algebra (Fta) [Pdf]

For Students 9th - 10th Standards
Learners examine the fundamental theorem of algebra. The resource investigates the linear factorization theorem, Descartes's rule of signs, and rules for zeros.
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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.
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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.
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eBook
CK-12 Foundation

Ck 12: Algebra Ii: 1.9 Sum and Difference of Cubes

For Students 9th - 10th
This section expands on the process of factoring to certain types of polynomials. In particular, it investigates how to find the sum and difference of cubed numbers and terms, and it will use volume of cubes to model this process.
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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.
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Unit Plan
Khan Academy

Khan Academy: Factoring Quadratics Intro

For Students 9th - 10th
Factor quadratics of the form x squared+bx+c. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Activity
Other

Dan's Math: Basic Skills Topics

For Students 9th - 10th Standards
College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.
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Website
Discovery Education

Discovery Education: Web Math: Algebra

For Students 9th - 10th
This WebMath site provides links to tutorials and lessons in both Algebra I and II. Links to topics such as factoring, solving equations, polynomials, simplifying equations, graphing, and much more.
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Activity
Purple Math

Purplemath: Algebra Resources

For Students 9th - 10th
Purplemath contains about 40 different lessons on various algebra topics. The lessons are divided into five different sections: preliminary topics, beginning algebra, intermediate algebra, advanced algebra, and word problems. The lessons...
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Activity
Help Algebra

Help algebra.com: Factoring Polynomials

For Students 9th - 10th
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.
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Interactive
Other

Interactive Algebra

For Students 9th - 10th
This interactive site allows you to practice several algebraic concepts, including solving equations, factoring, and graphing. Problems are randomly generated and allow unlimited practice. Each link contains buttons that allow you to get...
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Unit Plan
Khan Academy

Khan Academy: Factor Polynomials: Quadratic Methods (Challenge)

For Students 9th - 10th
Factor "advanced" polynomials (i.e. polynomials of various degrees and or with two variables) using quadratic factorization methods. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
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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.
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Activity
Other

Cre: Ecuaciones Cuadraticas

For Students 9th - 10th
In Spanish. Clear step by step directions, explanations and example problems of quadratic equations. Explains factorization, the quadratic formula, and completing the square.
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Activity
Cool Math

Coolmath: Factoring Complex Numbers Exercises

For Students 6th - 9th Standards
This Algebra Cruncher generates an endless number of practice problems for factoring the sum of two squares. Each problem has hints and solutions.
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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...
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Unknown Type
Khan Academy

Khan Academy: Equivalent Expressions With Negative Numbers

For Students 6th - 8th Standards
In this exercise, students practice factoring algebraic expressions using the distributive property. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.