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."
Activity
Math Medics

S.o.s. Math: Quadratic Equations

For Students 9th - 10th Standards
Defines root of a quadratic equation. Portrays graphically what quadratic roots look like. Tutorial includes two basic examples where roots are discovered, and links to pertinent topics elsewhere on the site and a math forum organized by...
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.
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]
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Use Graphs to Solve Quadratic Equations

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Determine the number of solutions to a quadratic equation and find such solutions by graphing.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Use Square Roots to Solve Quadratic Equations

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Use square roots to solve quadratic equations.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Use Square Roots to Solve Quadratic Equations

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving quadratic equations using square roots.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Use Graphs to Solve Quadratic Equations

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Learn how to use graphs to solve quadratic equations.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Use Square Roots to Solve Quadratic Equations

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Use square roots to solve quadratic equations.
Activity
Other

Algebra.com: Quadratic Equation Solver

For Students 9th - 10th Standards
An interactive solver for quadratic equations shows solutions using several methods, including graphing and the quadratic formula.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Use Graphs to Solve Quadratic Equations

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Learn how to use graphs to solve quadratic equations.
Activity
Math Medics

S.o.s. Math: Quadratic Equations Quadratic Formula

For Students 9th - 10th Standards
Here you can find a general overview of the quadratic formula, complete with a full breakdown of how to come up with the quadratic formula with a quadratic equation, as well as am example of using the quadratic formula to solve a...
Handout
Math Medics

S.o.s. Math: Quadratic Equations

For Students 9th - 10th Standards
This lesson shows a step-by-step procedure for solving a quadratic equation by completing the square.
Activity
Math Medics

S.o.s. Math: Algebra

For Students 9th - 10th Standards
This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...
Lesson Plan
Alabama Learning Exchange

Alex: The Pattern of Graphing Quadratic Equations

For Teachers 6th - 8th
The students will develop an algebraic expression from geometric representations and ultimately graph quadratic equations with understanding. The students will also develop a better understanding of algebraic expressions by comparing...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Quadratic Formula

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers deriving the quadratic formula and using it to solve any quadratic equation.
Unit Plan
Sophia Learning

Sophia: Solving for Quadratic Equations

For Students 9th - 10th
Solve for x using the quadratic formula and complete practice problems. Assess learning with a quiz.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Quadratic Formula

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Use the quadratic formula to solve equations and find the vertex of parabolas.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Vertex Form of a Quadratic Equation

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Learn to complete the square in order to write quadratic equations in vertex form.
Activity
Cool Math

Coolmath: Freaky Things That Can Happen With Quadratics

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

Mangahigh: Algebra: Solve Equations by Rearranging

For Students 9th - 10th Standards
Students learn about the concept of solving quadratic equations by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
Activity
Paul Dawkins

Paul's Online Notes: Algebra: Solving Equations and Inequalities

For Students 9th - 10th Standards
Students learn how to solve equations and inequalities. Topics examined are linear equations, quadratic equations, linear inequalities, and absolute value inequalities. The class notes are available in pdf format.
Unit Plan
Sophia Learning

Sophia: Quadratic Formula Tutorial

For Students 9th - 10th Standards
Determine the use of the quadratic formula and when and why it is used to solve quadratic equations.