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.
Unit Plan
Wyzant

Wyzant: Factoring Completely

For Students 9th - 10th
The resource examines the algebra topic of solving equations. Students view the tutorial to review how to solve by factoring. The lesson consists of the greatest common factor, difference between two squares, and trinomial techniques. An...
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
Interactive Mathematics

Interactive Mathematics: Quadratic Equations

For Students 9th - 10th Standards
Using modeling, the world of quadratics is explored. Learn how to solve quadratics using methods of factoring, completing the square, and the quadratic formula. Also included are methods for graphing quadratic functions.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Review Factoring Polynomials

For Students 9th - 10th Standards
A wealth of material to supplement classroom instruction on factoring of polynomials. Lessons offer methods and guidelines for factoring as well as examples; practice exercises allow students to begin testing their factoring skills; and...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization of Quadratic Expressions

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Learn how to factor quadratic expressions.
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.
Website
Other

Quick Math: Factor Polynomials

For Students 9th - 10th Standards
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...
Interactive
Lawrence Hall of Science

The Math Page: Topics in Pre Calculus: Quadratics

For Students 9th - 10th Standards
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...
Unit Plan
CK-12 Foundation

Ck 12: Find Imaginary Solutions

For Students 10th - 12th Standards
[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...
Website
Purple Math

Purplemath: Numerical Approximation of Zeroes: The Midpoint Method

For Students 9th - 10th Standards
Explains the reasoning and methodology for the process of numerically approximating the zeroes of a non solvable polynomial.
Handout
Purple Math

Purplemath: Solving Polynomials: How To

For Students 9th - 10th Standards
Demonstrates the steps involved in solving a general polynomial, including how to use the Rational Roots Test and synthetic division. Points out when using a graphing calculator can be very helpful.

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