Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Factoring Quadratic Trinomials

For Students 9th - 10th
Thirty-nine problems present a variety of problems working with factoring quadratic trinomials. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
Unit Plan
Other

Algebra Class: Solving and Graphing a Quadratic Equation

For Students 9th - 10th
Math teacher provides a unit on quadratic equations in which she explains the concepts of solving and graphing quadratic equations through numerous examples and graphs. Hyperlinks are available to each step that ultimately leads to...
Unit Plan
Khan Academy

Khan Academy: Algebra: Solving Quadratic Equations by Factoring

For Students 9th - 10th
An exercise on solving a quadratic equation by applying the method of factoring by grouping. Begin by clicking on "show scratchpad."
Unit Plan
Oswego City School District

Regents Exam Prep Center: Quadratic Equations, Discriminant, Quadratic Formula

For Teachers 9th - 10th Standards
A wealth of resources for teachers planning classroom instruction on quadratic equations, discriminant, and the quadratic formula: six lessons covering various ways to solve equations, complete with definitions and step-by-step solutions...
Unit Plan
Sophia Learning

Sophia: Factoring Quadratic Equations When a ? 1: Lesson 5

For Students 9th - 10th
This lesson will review how to factor and solve a quadratic equation when a ? 1. It is 5 of 5 in the series titled "Factoring Quadratic Equations when a ? 1."
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization of Quadratic Expressions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers factoring quadratics when the leading coefficient is not one. Students can watch a video on factoring and then practice by attempting the problems...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factoring When the Leading Coefficient Equals 1

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers factoring quadratics when the leading coefficient is 1.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization of Quadratic Expressions

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers factoring quadratics when the leading coefficient is not one.
Unit Plan
CK-12 Foundation

Ck 12: Factor Quadratic Expressions With Negative Coefficients

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Factor quadratic expressions in which the coefficients a, b, and/or c are negative. Students can watch videos and follow along with notes. There is also practice...
eBook
Math Planet

Math Planet: Algebra 2: How to Solve Quadratic Equations

For Students 9th - 10th Standards
Gain an understanding of how to use factoring to solve a quadratic equation by viewing examples and a video lesson. [2:13]
Handout
Math Is Fun

Math Is Fun: Real World Examples of Quadratic Equations

For Students 9th - 10th
Provides examples of how quadratic equations can be used in real-world scenarios, and the different methods used to solve them.
Activity
Texas Instruments

Texas Instruments: Prodigious! Quadratics and Free Fall Motion

For Teachers 9th - 10th
Uses the movie "October Sky" as an introduction to the study of free fall motion functions. Acts a summation activity to a quadratic unit in Algebra. Solve quadratic equations by graphing, factoring, and the quadratic formula.
Activity
Texas Instruments

Texas Instruments: Quadratic Equations

For Teachers 9th - 10th
Students solve quadratic equations by factoring and finding square roots, as well as by graphing.
Activity
Discovery Education

Discovery Education: Web Math: Using the Quadratic Formula

For Students 9th - 10th Standards
This WebMath site provides interactive problem solvers to understand the quadratic formula and solve quadratic equations by factoring. In addition to providing answers, these 'solvers' show the step-by-step method in which to get there.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Solving Quadratic Equations by Finding Square Roots

For Students 9th - 10th
Twenty-one problems where students practice solving quadratic equations by factoring.
Activity
Math Is Fun

Math Is Fun: Factoring Quadratics

For Students 9th - 10th Standards
The tutorial examines how to factor quadratics. The resource consists of detailed examples and explanations about the algebra concept.
Interactive
Mangahigh

Mangahigh: Wrecks Factor: Factor Simple and Harder Quadratics

For Students 9th - 10th
In this game, you must send rescuers to ships trapped in the Bermuda Triangle by first decoding their coordinates that were given to you as quadratic expressions. As you decode the coordinates, you must draw a search area on a grid that...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factoring When the Leading Coefficient Equals 1

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers factoring quadratics when the leading coefficient is 1.
Activity
Math Notes and Math Tests

Pre Calculus Notes: The "Qf" Method for Factoring Quadratics [Pdf]

For Students 9th - 10th Standards
Learners examine the quadratic formula method for factoring quadratics. Examples with detailed solutions are included.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization of Quadratic Expressions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Factor quadratic expressions in which the coefficients a, b, and/or c are negative.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization Using Perfect Square Trinomials

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Factor perfect square trinomials and the difference of two squares and solve quadratic equations by factoring.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization of Quadratic Expressions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Factor quadratic polynomial expressions of the form ax^2 + bx + c.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization Using Difference of Squares

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Factor the difference of two squares and perfect square trinomials and solve quadratic polynomial equations by factoring.
Activity
Cool Math

Coolmath: Freaky Things That Can Happen With Quadratics

For Students 6th - 9th
Use this tutorial on to help solve quadratic equations.

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