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Cool Math

Coolmath: Solving Quadratic Equations by Factoring

For Students 9th - 10th
This CoolMath resource will help students solve quadratic equations by factoring.
Graphic
Cool Math

Coolmath: Pre Algebra Factorizations

For Students 9th - 10th
Learn about "factorization" from Cool Math. Several examples and practice problems are provided.
Unit Plan
Khan Academy

Khan Academy: Factor Polynomials: Quadratic Methods (Challenge)

For Students 9th - 10th
Factor "advanced" polynomials (i.e. polynomials of various degrees and or with two variables) using quadratic factorization methods. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
Unit Plan
Khan Academy

Khan Academy: Solve Quadratics by Factoring (Intro)

For Students 9th - 10th
Solve quadratic equations of the form x^2+bx+c=0 that can be rewritten according to their linear factors. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Handout
Math2

Math2.org: Polynomial Identities

For Students 9th - 10th
This resource provides a list of polynomial identities, including formulas for squaring a binomial, FOILing a trinomial, factoring a difference of two squares, factoring a sum or difference of two cubes, and the Quadratic Formula.

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