Unit Plan
Texas Education Agency

Texas Gateway: Solving Quadratic Equations Using Algebraic Methods

For Students 9th - 10th Standards
Given a quadratic equation, the student will solve the equation by factoring, completing the square, or by using the quadratic formula.
Unknown Type
Khan Academy

Khan Academy: Solve Equations Using Structure

For Students 9th - 10th
Solve advanced equations by strategically using quadratic factorization methods.
Handout
Purple Math

Purplemath: Solving Quadratic Equations by Factoring

For Students 9th - 10th
Demonstrates how to solve quadratics using factoring (that is/the Zero-Product Property). Provides worked examples/and warnings about common mistakes.
Handout
Windstream

Ojk's Precalculus Study Page: Solving Polynomial Equations

For Students 9th - 10th Standards
A comprehensive look at the three main ways to find the roots of a polynomial: factoring, formulas, and the rational root theorem.
Lesson Plan
Alabama Learning Exchange

Alex: "Factoring by Mack"

For Teachers 9th - 10th
This strategy for factoring trinomials will eliminate the trial-and-error method used in most textbooks.The lesson will be a direct teaching lesson. With the teacher lecturing and the young scholars taking notes and then having the...