Cool Math
Coolmath: Advanced Graphing Sideways Parabolas
This algebra lesson explains how to graph sideways parabolas.
Texas Instruments
Texas Instruments: Parabolas: Numb3 Rs: Structural Corruption
Based off of the hit television show NUMB3RS, this lesson helps students understand how changing the values of y=a(x-b)^2+c changes the graph of the associated parabola. This is framed in the context of a bridge jumper, who enters the...
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Graphing a Parabola
Dr. Math helps a student interpret the equation of a parabola so that the student understands how each part of the equation effects the graph.
Discovery Education
Discovery Education: Web Math: Graphing Parabolas
WebMath offers a java applet that allows you to input the equation of a parabola, in one of many forms, and gives you a graph of the parabola along with an explanation of how the graph was drawn.
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.] This lesson covers how to find the x-intercepts, vertex, axis of symmetry, and y-intercept of a parabola.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Parabola Equation
Dr. Math, in a reply to a student's question, describes how to obtain the equation of a parabola.
Other
Georgia Perimeter College: Parabolas
This resource provides an examination of parabolas, both vertical and horizontal, and parabolic functions. It includes six examples and a chart showing how changes in the equation coincide with changes in the graph.
Texas Instruments
Texas Instruments: Investigating the Parabola in Vertex Form (Y = Ax2
In this activity, students investigate the standard form of the quadratic function, y = ax^2 + bx + c. They investigate the changes on the graph of a quadratic equation that result from changes in A, B, and C. They also locate the vertex...
Paul Dawkins
Paul's Online Notes: Algebra: Common Graphs
Students investigate how to graph a wide variety of equations and functions. Topics explored are lines, rational functions, parabolas, ellipses, and transformations. Class notes, definitions, and examples with detailed solutions are...
Texas Instruments
Texas Instruments: Graphs of Quadratic Functions in Vertex Form
TI Explorations books has a great activity for TI InterActive! in graphing parabolas in vertex form. What if you don't have TI InterActive! or a lab to take your students, but you do have a class set of TI-83 or TI-84. This activity...
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.
Khan Academy
Khan Academy: Graph Quadratics in All Forms
Graph quadratic functions given in any form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Oswego City School District
Regents Exam Prep Center: Parabolas
Students will learn about parabolas and how to graph them. Use the given lesson plan and examples to help support instruction and solve the practice problems.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Parabola
Thirty-two problems present a variety of practice working with parabolas. 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 Solution" button to check...
Other
Algebra Class: Solving and Graphing a Quadratic Equation
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...
Cool Math
Coolmath: Intro to Graphing Parabolas
Learn how to graph parabolas with this quick tutorial.
Cool Math
Coolmath: Graphing Parabolas Part 2
Find out how to graph parabolas in this second tutorial.
Cool Math
Coolmath: Graphing Parabolas Part 4
Find out how the equations shift the shape of the parabola.
Cool Math
Coolmath: Graphing by Completing the Square Intro
This algebra lesson introduces how to complete the square in a parabola.
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.