Khan Academy
Khan Academy: Intro to Factors & Divisibility
Learn what it means for polynomials to be factors of other polynomials or to be divisible by them.
CK-12 Foundation
Ck 12: Analysis: Methods for Solving Quadratic Functions
[Free Registration/Login may be required to access all resource tools.] This lesson applies factoring a quadratic equation to other types of polynomials that are in "quadratic form."
Wolfram Research
Wolfram Math World: Algebra
MathWorld provides a basic overview of Algebra. Includes a few formulas and many links to related topics.
Richland Community College
Richland Community College: Steps to Graphing Rational Functions
This site describes the steps to follow when graphing a rational function.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Greatest Common Factor 2
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...
Wyzant
Wyzant: Evaluating Expressions Calculator
Need assistance in evaluating a polynomial expression if you're given the values of all the variables? This "Calculator," from WyzAnt asks you to input the expression and the known values to be substituted in, and then displays the final...
Khan Academy
Khan Academy: Perfect Squares
Factor quadratic expressions of the general perfect square forms: (ax)^2+2abx+b^2 or (ax)^2-2abx+b^2. The factored expressions have the general forms (ax+b)^2 or (ax-b)^2.
Texas Instruments
Texas Instruments: Math a Review 1
This StudyCards stack enables students to review concepts in algebra, arithmetic, and geometry, in preparation for the Math A Exam held in New York. They solve problems involving scientific notation, factoring, linear equations, rate of...
Wyzant
Wyzant: Calculator Index
These WyzAnt online graphing utilities help you calculate just about anything in algebra, including solving linear and quadratic equations to factoring polynomials. This a great tool for checking homework.
Interactive Mathematics
Interactive Mathematics: The Sum and Difference of Cubes
The method to factor sums and differences of perfect cubes is presented along with an example and several exercises to use for practice.
Interactive Mathematics
Interactive Mathematics: Special Products
Several special products are presented here, including expressions with two variables, squaring binomials and trinomials, and products involving cubes.
CK-12 Foundation
Ck 12: Find Imaginary Solutions: Fundamental Theorem of Algebra
[Free Registration/Login may be required to access all resource tools.] Here you will learn about the Fundamental Theorem of Algebra, and how to apply it to various functions. You will also review using the quadratic equation to find...
Alabama Learning Exchange
Alex: Zero Product Property
The zero product property allows you to solve a quadratic equation by converting it into two linear equations. This is a common strategy of algebra--to break down a problem into simpler parts, each solved by previously learned methods.
Purple Math
Purplemath: Factor Theorem
Purplemath.com discusses the Factor Theorem, explaining its relationship to the Remainder Theorem. The lesson has a link to synthetic division, a key to discovering if a value is a root.
Khan Academy
Khan Academy: Difference of Squares
Factor quadratic expressions of the general difference of squares form: (ax)^2-b^2. The factored expressions have the general form (ax+b)(ax-b).
Curated OER
Eqnarray26
Explains what factoring is and what the roots of a polynomial are separately. It then discusses factoring and roots together.
Curated OER
Eqnarray42
Explains what factoring is and what the roots of a polynomial are separately. It then discusses factoring and roots together.
Curated OER
Displaymath138
Explains what factoring is and what the roots of a polynomial are separately. It then discusses factoring and roots together.
Help Algebra
Help algebra.com: Factor by Grouping
Factor a quadratic by group the terms. This resource demonstrates the procedure, then gives and explanation on why this process works.
Wyzant
Wyzant: Finding a Gcf
In this lesson from WyzAnt, students learn how to find the greatest common factor (GCF) for numbers and expressions. There are practice problems and a GCF calculator for assistance.
Khan Academy
Khan Academy: Perfect Squares
Factor quadratic expressions of the general perfect square forms. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Analysis: Methods for Solving Quadratic Functions
[Free Registration/Login may be required to access all resource tools.] A review of the three major methods of solving quadratic functions for ''X'' intercepts.
Khan Academy
Khan Academy: Factors & Divisibility
Students practice multiple-choice problems with factors and divisibility.
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