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Math Planet
Math Planet: Factor Polynomials of the Form of X^2 + Bx + C
This resource is about factorizing trinomials of the form x^2+bx+c by making them into a product of two binomials x^2+bx+c=(x+m)(x+n) where m+n=b and m*n=c
Math Planet
Math Planet: Polynomial Equations in Factored Form
All equations are composed of polynomials. If you know how to solve equations containing polynomials of the first degree, then you can solve equations of higher degree. One way to solve a polynomial equation is to use the zero-product...
Math Planet
Math Planet: Factor Polynomials on the Form of Ax^2 + Bx +C
You can factor polynomials of the form ax^2 + bx + c. If a is positive, then ax^2+bx+c=(x+m)(ax+n) where c = m*n, a*c = p*q and b = p+q = a*m + n
Lawrence Hall of Science
The Math Page: Skill in Algebra: Quadratic Equations
Here is a site that clearly and thoroughly explains the quadratic equations, including how to solve them by factoring, completing the square, and using the quadratic formula. There are example problems solved, problems for the student to...
Calculator Soup
Calculator Soup: Prime Factorization Calculator
Use this prime numbers calculator to find all prime factors of a given integer number up to 1 trillion. This calculator presents prime factors of a number, prime decomposition in exponential form, CSV (comma separated values) list of...
University of Saskatchewan (Canada)
University of Saskatchewan: Factoring Polynomials Given One Root
Contains a few example problems on factoring polynomials with a given root.
Sophia Learning
Sophia: Simplifying Rational Expressions: It's Simple
Learn to simplify rational expressions using factoring. Includes a short video [1:37] and a practice problem in a slideshow.
Other
All Elementary Mathematics: Trigonometric Equations
This site gives a definition for what a trigonometric equation is, gives a listing of the simplest trigonometric equations, and lists seven main methods of solution of trigonometric equations with examples.
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.
Oswego City School District
Regents Exam Prep Center: Quadratic Equations
Includes lesson, practice exercise, and teacher resource on how to factor quadratic equations. You'll find examples for using the factoring and graphing methods for solving, a twelve-question quiz with hints and answers, and a suggested...
Math Planet
Math Planet: Use Graphing to Solve Quadratic Equations
A quadratic equation is an equation that can be written on the standard form ax^2 + bx + c = 0, where a is not = 0. One way of solving a quadratic equation is by factoring. Another way of solving a quadratic equation is to solve it...
BBC
Bbc: Higher Bitesize Maths: Quadratic Theory
A tutorial on quadratics presents topics including: factoring and solving quadratics, graphing quadratic functions, using completing the square and the quadratic formula to solve functions, the discriminant and conjugates. Plenty of...
Annenberg Foundation
Annenberg Learner: The X Factor Trinomials and Algebra Tiles
This is the first of two algebra lesson plans from Annenberg Learning. Find plans to teach learners how to factor trinomials. This lesson plan is part of a larger workshop for teachers that offer insights into teaching algebra.
Khan Academy
Khan Academy: Equivalent Expressions: Negative Numbers & Distribution
Practice problems with equivalent expressions: negative numbers and distribution.
Khan Academy
Khan Academy: Distributive Property With Variables Negative Numbers
Practice these problems using the distributive property with variables in negative numbers.
Khan Academy
Khan Academy: Factors & Divisibility
Students practice multiple-choice problems with factors and divisibility.
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.
Khan Academy
Khan Academy: Factor With the Distributive Property
Practice applying the distributive property to factor numerical expressions (no variables). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Math Planet
Math Planet: Algebra 2: Polynomial Functions: Remainder and Factor Theorems
Provides examples and a video lesson that illustrate the remainder and factor theorems. [1:34]