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Unit Plan
Sophia Learning

Sophia: Factoring Quadratic Equations When a ? 1: Lesson 5

For Students 9th - 10th
This lesson will review how to factor and solve a quadratic equation when a ? 1. It is 5 of 5 in the series titled "Factoring Quadratic Equations when a ? 1."
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Activity
Wyzant

Wyzant: Factoring Completely

For Students 9th - 10th Standards
Learners complete a worksheet on factoring expressions. An example problem and answer sheet is included.
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Activity
Wyzant

Wyzant: Solve by Factoring Worksheet

For Students 9th - 10th
Learners complete a worksheet on solving equations by factoring. An example problem and answer sheet is included.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Apr Zeroes, Factorization of Quadratic Polynomial Ii

For Teachers 9th - 10th Standards
This task is intended to help students see more clearly the link between factorization of polynomials and zeroes of polynomial functions. The argument here generalizes to show that a polynomial of degree d can have at most d roots....
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Apr Zeroes and Factorization of a General Polynomial

For Teachers 9th - 10th Standards
In this task, students investigate the properties of a polynomial of degree d > 0. The task relates to the Fundamental Theorem of Algebra. Aligns with A-APR.B.2.
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Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Polynomial Inequality Problem

For Students 9th - 10th Standards
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.
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Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Long Division of Polynomials

For Students 9th - 10th Standards
This site is a help letter from a student asking how to divide polynomials. The response to this e-mail also discusses factoring as a method for doing the division.
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Website
Purple Math

Purplemath: Numerical Approximation of Zeroes: The Midpoint Method

For Students 9th - 10th Standards
Explains the reasoning and methodology for the process of numerically approximating the zeroes of a non solvable polynomial.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Zero Product Principle

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Use the Zero Product Principle to solve polynomial equations.
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Unit Plan
Sophia Learning

Sophia: Simplifying Rational Expressions: It's Simple

For Students 9th - 10th Standards
Learn to simplify rational expressions using factoring. Includes a short video [1:37] and a practice problem in a slideshow.
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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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Unknown Type
University of Saskatchewan (Canada)

University of Saskatchewan: Algebra 1 Review

For Students 9th - 10th Standards
A more advanced review of algebra concepts and practice review problems ranging from the basic rules of algebra to polynomials. A good test of readiness for higher level math courses.
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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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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Zero Product Principle

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Factor polynomial equations and apply the Zero-Product Property to solve them.
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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
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
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
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Factoring by Grouping

For Students 9th - 10th
Find a quick, concise explanation of how to factor by grouping. Several examples are given and clearly explained.
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Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Factoring Monomials

For Students 9th - 10th Standards
Find a quick, concise explanation of how to factor monomials. An example is given and clearly explained.
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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
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
Help Algebra

Help algebra.com: Steps for Factoring Trinomials

For Students 9th - 10th
Ever have trouble knowing where to start factoring? This summary gives steps for how to factor and tips on what to look for in the quadratics.
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Whiteboard
ClassFlow

Class Flow: Factoring Trinomials

For Teachers 9th - 10th
[Free Registration/Login Required] In this flipchart students are led on a discovery of the patterns found in factoring trinomials. They apply the patterns to factor.
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Whiteboard
ClassFlow

Class Flow: Factoring Trinomials

For Teachers 6th - 9th
[Free Registration/Login Required] This flipchart shows a process for factoring trinomials. It includes a partner activity and questions that can be used with the Activotes.

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