Unit Plan
Math Planet

Math Planet: Factor Polynomials of the Form of X^2 + Bx + C

For Students 9th - 10th
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
Unit Plan
Math Planet

Math Planet: Polynomial Equations in Factored Form

For Students 9th - 10th Standards
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...
Unit Plan
Math Planet

Math Planet: Factor Polynomials on the Form of Ax^2 + Bx +C

For Students 9th - 10th
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
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Algebra: Quadratic Equations

For Students 9th - 10th Standards
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...
Interactive
Calculator Soup

Calculator Soup: Prime Factorization Calculator

For Students 9th - 10th
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...
Activity
University of Saskatchewan (Canada)

University of Saskatchewan: Factoring Polynomials Given One Root

For Students 9th - 10th
Contains a few example problems on factoring polynomials with a given root.
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.
Activity
Other

All Elementary Mathematics: Trigonometric Equations

For Students 9th - 10th
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.
Activity
Massachusetts Institute of Technology

Mit: Useful Trigonometric Identities

For Students 9th - 10th
This list of trigonometric identities includes the factoring formulas near the bottom. A great tool for reference.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Quadratic Equations

For Students 9th - 10th
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...
Unit Plan
Math Planet

Math Planet: Use Graphing to Solve Quadratic Equations

For Students 9th - 10th Standards
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...
Unit Plan
BBC

Bbc: Higher Bitesize Maths: Quadratic Theory

For Students 9th - 10th Standards
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...
Lesson Plan
Annenberg Foundation

Annenberg Learner: The X Factor Trinomials and Algebra Tiles

For Teachers 9th - 10th
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.
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Khan Academy

Khan Academy: Equivalent Expressions: Negative Numbers & Distribution

For Students 7th Standards
Practice problems with equivalent expressions: negative numbers and distribution.
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Khan Academy

Khan Academy: Distributive Property With Variables Negative Numbers

For Students 7th Standards
Practice these problems using the distributive property with variables in negative numbers.
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Khan Academy

Khan Academy: Factors & Divisibility

For Students 9th - 10th Standards
Students practice multiple-choice problems with factors and divisibility.
eBook
Khan Academy

Khan Academy: Intro to Factors & Divisibility

For Students 9th - 10th Standards
Learn what it means for polynomials to be factors of other polynomials or to be divisible by them.
Unit Plan
Khan Academy

Khan Academy: Factor With the Distributive Property

For Students 5th - 7th
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.
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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