Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: Quadratics
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...
Cool Math
Coolmath: Graphing Parabolas Part 2
Find out how to graph parabolas in this second tutorial.
Texas Instruments
Texas Instruments: Getting Started With the Ti Navigator: Quadratic Equations
This lesson introduces students to Activity Center and is intended to help students write systems of equations in standard form in slope intercept form to solve the system using tables and graphs.
Other
Dans Math: Lessons: Intermediate Algebra
College professor Dan Bach presents a review of algebra concepts, including factoring, quadratic equations, and graphing parabolas. The examples are detailed, but easy to follow. This is a good site for reviewing before tests and quizzes.
CK-12 Foundation
Ck 12: Algebra: Graphs of Quadratic Functions in Intercept Form
[Free Registration/Login may be required to access all resource tools.] Understanding the graphs of a parabola given equations. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Texas Instruments
Texas Instruments: Curve Ball Adventure 12
In this adventure , students will make a Height-Time plot of a bouncing ball using the CBR 2. They graph height as a function of time. They identify and understand the vertex form of a quadratic equation that is generated to describe the...
CK-12 Foundation
Ck 12: Algebra: Factorization of Quadratic Expressions
[Free Registration/Login may be required to access all resource tools.] Learn how to factor quadratic expressions.
Texas Instruments
Texas Instruments: Writing Equations of Parabolas in Vertex Form
Students use their knowledge of the vertex form of a quadratic equation to graph parabolas, given a specific move to make.
Oswego City School District
Regents Exam Prep Center: Quadratic Inequalities
The mathematics tutorial explores quadratic inequalities. The lesson consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes a worksheet on matching graphs with equations.
PBS
Pbs Teachers: Toothpicks and Transformations [Pdf]
Using calculators, students investigate quadratic functions using geometric toothpick designs in this lesson that with a review of transformations of quadratic functions, vertical and horizontal shifts, and stretches and shrinks.
Texas Instruments
Texas Instruments: Exploring Standard Form of a Quadratic Function
Students explore y=ax^2+bx+c using the transform graphing application. Teacher calculator is used with Navigator to send device settings, the equation format and initial coefficient values to all students. Worksheet includes all student...
Analyze Math
Analyze Math: Quadratic Functions (1)
Students are introduced to quadratic functions. The tutorial explores the equation of a quadratic function, intercepts, graphing, and points of intersection. The activity consists of examples with detailed solutions.
Texas Instruments
Texas Instruments: Video Tutorial Using the Graph Screen to Factor Quadratics
This tutorial shows you how to factor quadratic functions using the graph screen.
Illustrative Mathematics
Illustrative Mathematics: F if.c.7.a, a sse.b.3, F if.c.7: Graphs of Quadratic
During this task, students will realize that equivalent expressions produce the same graph. The activity will lead to discussions about the value of different forms of equations. Aligns with F-IF.C.7.a, A-SSE.B.3, and F-IF.C.7.
Mangahigh
Mangahigh: Algebra: Recognize the Equations of Common Curves
Students recognize and know the sketches of quadratics, cubics and recipricols including the shape of positive and negative functions and the interpretation of their y-intercepts.
University College London
University College London: Math Help Glossary: Keyword: Quadratic
A "glossary" definition of quadratic functions, including examples of quadratic and non-quadratic functions, and links to related definitions as well and graphs.
CK-12 Foundation
Ck 12: Algebra: Quadratic Functions and Their Graphs
[Free Registration/Login may be required to access all resource tools.] Graph and compare graphs of quadratic functions in the coordinate plane.
CK-12 Foundation
Ck 12: Algebra: Quadratic Functions and Their Graphs
[Free Registration/Login may be required to access all resource tools.] Learn the anatomy of the graph of a quadratic function.
CK-12 Foundation
Ck 12: Algebra: Radical Equations
[Free Registration/Login may be required to access all resource tools.] Learn how to solve equations involving radicals.
CK-12 Foundation
Ck 12: Analysis: Quadratic Inequalities
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn about graphing and solving quadratic inequalities. Students examine guided notes, review guided practice, watch instructional videos...
CK-12 Foundation
Ck 12: Algebra: Quadratic Functions and Their Graphs
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to find the x-intercepts, vertex, axis of symmetry, and y-intercept of a parabola.
Richland Community College
Richland Community College: Algebra Lecture Notes
This site from Richland Community College provides lecture notes to a class on Algebra. It covers a wide array of topics including functions, quadratic equations, inequalities, and much more.
Concord Consortium
Concord Consortium: Quadratic Functions in Vertex Form
Given the equation of a quadratic function in vertex form, students learn to identify the vertex of a parabola from the equation, and then graph the parabola.
Integrated Publishing
Integrated Publishing: Graphical Solution
This site explains how graphing can be used to solve (find the roots of) a quadratic equation. Practice problems are included.