Massachusetts Institute of Technology
Mit: Useful Trigonometric Identities
This list of trigonometric identities includes the factoring formulas near the bottom. A great tool for reference.
Other
Quick Math: Factor Polynomials
The process of factoring is essential to the simplification of many algebraic expressions and is a useful tool in solving higher degree equations. In fact, the process of factoring is so important that very little of algebra beyond this...
Other
Interactive Algebra
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...
Math Notes and Math Tests
Pre Calculus Notes: Finding Zeros of Polynomial Functions [Pdf]
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
Cool Math
Coolmath: Solving Quadratics the Square Root Trick
This CoolMath resource will help students solve quadratic equations with a square roots trick instead of through factoring.
Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: Quadratics
Here is a site that clearly and thoroughly explains quadratic functions, including graphing functions and solving equations using factoring. There are example problems solved, problems for the student to attempt, and answers to the...
Wyzant
Wyzant: Algebra Help
Heres a comprehensive review of the basics of algebra. WyzAnt includes lessons on varied topics, calculators that show step-by-step solutions, and interactive worksheets for practicing and testing your skills. Just choose a topic and use...
Khan Academy
Khan Academy: Difference of Squares
Factor quadratic expressions of the general difference of squares form. The factored expressions have the general form (ax+b)(ax-b). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
Other
Cre: Ecuaciones Cuadraticas
In Spanish. Clear step by step directions, explanations and example problems of quadratic equations. Explains factorization, the quadratic formula, and completing the square.
Khan Academy
Khan Academy: Difference of Squares Intro
Factor quadratic expressions into the special products of the general form (x+a)(x-a). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
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...
Texas Instruments
Texas Instruments: Introduction to Some Algebra Concelpts Using Cas
This series of activities provides an introduction to some Algebra concelpts using CAS. The activities start with Algebra tiles and CAS. Patterning is modelled for the students so that they can construct the knowledge rather than be...
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.
Other
Mathway: Algebra Formulas
Comprehensive resource provides algebra formulas for exponents, absolute value, factoring Pythagorean Theorem, linear equations, quadratic formula, distance formula, midpoint formula, and slope of a line through two points.
Cool Math
Coolmath: Solving Quadratics a Brief Intro
This CoolMath resource introduces student to quadratic equations.
Texas Instruments
Texas Instruments: Polynomial Functions
In this set of questions, students will find the x-intercepts of a polynomial function, factor a polynomial, and determine the number of solutions of a polynomial equation. Questions are multiple choice and true/false; solutions are...
Texas Instruments
Texas Instruments: Connecting Factors and Zeros
Students will determine if a quadratic formula is factorable, then they will factor the equation, set each factor equal to 0, and solve for x.
CK-12 Foundation
Ck 12: Algebra: Zero Product Principle
[Free Registration/Login may be required to access all resource tools.] Factor polynomial equations and apply the Zero-Product Property to solve them.
Elias Saab
Math Drills: Roots of Polynomial Functions Quiz
An interactive quiz which provides students with a problem involving a polynomial function to be solved. Students input their solution and have the program evaluate it. Hints are available if the student needs them, and explanations are...
Other
University of Wisconsin: Basic Algebra
This college site offers a variety of problems and answers. Problems are divided into topic areas for easy access. Also offers quizzes with each topic.
Purple Math
Purplemath: Lcm & Gcf
Purplemath shows an easy and orderly way to determine the GCF and LCM of any two numbers. Even large numbers won't be a challenge with this method.
CK-12 Foundation
Ck 12: Find Imaginary Solutions
[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...
CK-12 Foundation
Ck 12: Algebra: Monomial Factors of Polynomials
[Free Registration/Login may be required to access all resource tools.] Find monomial factors of polynomials