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eBook
Math Planet

Math Planet: Factorization and Prime Numbers

For Students 6th - 8th
Gain an understanding of how to factor prime numbers by viewing examples and a video lesson.
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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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eBook
Math Planet

Math Planet: Algebra 2: Polynomial Functions: Remainder and Factor Theorems

For Students 9th - 10th Standards
Provides examples and a video lesson that illustrate the remainder and factor theorems. [1:34]
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Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Dividing Polynomials

For Students 9th - 10th
Math Forum offers an example of how to simplify a complex rational expression by factoring.
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Activity
Help Algebra

Help algebra.com: Factoring Polynomials

For Students 9th - 10th
A detailed description of how to factor several types of polynomials is presented. Examples are provided to demonstrate the 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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Handout
Purple Math

Purplemath: Factoring Polynomials: How To

For Students 9th - 10th Standards
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.
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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
Math Notes and Math Tests

Pre Calculus Notes: Finding Zeros of Polynomial Functions [Pdf]

For Students 9th - 10th Standards
Students learn how to find the zeros of a polynomial function. Topics include rational zero test, factoring, and conjugate pairs of zeros. Techniques and examples are included
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Handout
Purple Math

Purplemath: Simple Factoring

For Students 9th - 10th Standards
Demonstrates how to factor simple polynomial expressions such as "2x + 6".
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Handout
Windstream

Ojk's Precalculus Study Page: Solving Polynomial Equations

For Students 9th - 10th Standards
A comprehensive look at the three main ways to find the roots of a polynomial: factoring, formulas, and the rational root theorem.
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Activity
University of Saskatchewan (Canada)

University of Saskatchewan: Polynomials and Roots

For Students 9th - 10th
This site, which is given by the University of Saskatchewan, provides a general overview of polynomials and roots. Examples and exercises are included.
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Activity
National Council of Teachers of Mathematics

The Math Forum: Understanding Algebraic Factoring

For Students 9th - 10th
This site from the Drexel University explains the principles of factoring symbolically using algebra tiles.
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Handout
Purple Math

Purplemath: Solving Polynomials: How To

For Students 9th - 10th Standards
Demonstrates the steps involved in solving a general polynomial, including how to use the Rational Roots Test and synthetic division. Points out when using a graphing calculator can be very helpful.
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Unknown Type
Math Slice

Math Slice: Polynomials

For Students 9th - 10th Standards
Generate easy and hard worksheets for factoring polynomials. solving quadratic equations, and multiplying polynomials.
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Unit Plan
Mangahigh

Mangahigh: Algebra: Solve Trinomials by Factoring

For Students 9th - 10th
Students watch an online tutorial on the concept of factoring trinomials. After watching, students test their knowledge by attempting ten practice problems that increase or decrease in difficulty based on their answers.
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Unit Plan
Mangahigh

Mangahigh: Algebra: Solve Trinomials by Factoring

For Students 9th - 10th
Students watch an online tutorial on the concept of factoring trinomials. After watching, students test their knowledge by attempting ten practice problems that increase or decrease in difficulty based on their answers.
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Lesson Plan
National Council of Teachers of Mathematics

The Math Forum: Suzanne Alejandre: Algebraic Factoring

For Teachers 9th - 10th Standards
Use algebra tiles to explore factoring of polynomials.
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McGraw Hill

Glencoe Mathematics: Online Study Tools: Self Check Quiz on Factoring

For Students 9th - 10th
The interactive quiz demonstrates knowledge of concepts used in Algebra I. The multiple choice questions assess students on factoring polynomials.
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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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Activity
Texas Instruments

Texas Instruments: Multiplying/factoring Polynomials

For Teachers 9th - 10th
Students will be given binomials to multiply or trinomials to factor. The teacher will enter the binomials/trinomial into activity center and students must send in other form. Correct answers should match teacher graph.
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Handout
Oswego City School District

Regents Exam Prep Center: Factoring Trinomials (A=1)

For Students 9th - 10th
This site from the Oswego City School District shows students how to factor trinomials when the leading coefficient is equal to 1. The example walks students through the process so they can learn to do it on their own. Includes link to...
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Unknown Type
Khan Academy

Khan Academy: Factoring Quadratics Intro

For Students 9th - 10th
Factor quadratics of the form x^2+bx+c.
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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...

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