Texas Instruments
Texas Instruments: Cutting Corners
Students' will continue to develop the idea of quadratic equations and 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...
Texas Instruments
Texas Instruments: Parabolic Secants
This activity introduces students to an interesting property of parabolas and a method of proving that property using the TI-89 scripts. They then use the CAS of their TI-89 to generalize upon specific results.
Texas Instruments
Texas Instruments: Conics
Three Learning Check documents on the various characteristics of parabolas, circles, ellipses, and hyperbolas.
University of Michigan
Virtual Conics
You may have to download first, but the two VRML icons near the bottom of the page allow you to observe the plane intersecting the cone to form the conic. Controls are present to change the angle of the plane and your view of the...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Familia De Funciones
Ministerio de Educacion y Ciencia: familia de funciones
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Familia De Funciones. Tipos Y Operaciones
In this unit you will work interactively with family of lines, parabolas, radical functions and trigonometric functions. You will also learn about operations with function, composition of functions and the inverse of a function.
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.
University of Georgia
University of Georgia: Lessons on Parabolas
Nine lessons on parabolas are presented here. The lessons progress from the basics of parabolas (definition, algebraic representation of parabolas) to more advanced topics (ie. tangents to parabolas, parabolas in polar form).
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.
National Council of Teachers of Mathematics
The Math Forum: Analytic Geometry: Polar Coordinates
This site from The Math Forum provides great information on polar coordinates. You can access this information either by clicking on the coordinates link or just scrolling down, it is the first one listed on the page. Includes several...
Purple Math
Purplemath: Completing the Square: Finding the Vertex
Demonstrates step-by-step how to complete the square to find the vertex of a parabola. Thorough descriptions of each problem.
Other
Math Pages: Parabola Through Four Points
This resource explains how a parabola is found through four points. There are diagrams to go along with the information.
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.
Concord Consortium
Concord Consortium: Quadratic Word Problems Part 1
Students solve two problems involving the motion of projectile objects, modeled using quadratic equations. They then graph parabolas and use the graphs to answer questions about projectile objects, and identify the maximum heights of the...
Cool Math
Coolmath: Pre Calculus More on Sideways Parabolas
This CoolMath resource provides extended learning on the topic of "sideways parabolas" and how to graph them.
Khan Academy
Khan Academy: Calculating the Touching Point
Calculate a point on a parabola using the string art construction
National Council of Teachers of Mathematics
The Math Forum: Parabolas
A brief overview on calculating various measures of segments, like focus to vertex and vertex to directix, is given. Additionally, equations of parabolas in general, standard, and vertex forms are listed.
Math Words
Math words.com: Conic Sections
Examples of conic sections are given and the equation for their standard form is also given.
Math Words
Math words.com: Parabola
The definition for what a parabola is and an explanation of the difference between a parabola and u-shaped curve is given. Also provides illustrations of what a vertical and horizontal parabola look like.
ClassFlow
Class Flow: Quadratics Zeros
[Free Registration/Login Required] Graph parabolas and discover the zeros. Calculate the roots by factoring.
ClassFlow
Class Flow: Solve by Completing the Square
[Free Registration/Login Required] This flipchart explores the steps for solving quadratics by completing the square.
ClassFlow
Class Flow: Algebra, Geometry Conic Review
[Free Registration/Login Required] Flipchart helps student to interpret algebraic equations and inequalities, geometry (cones, spheres, parabolas, etc.) and describes geometric relationships algebraically.
Math Words
Mathwords: Directrix of a Parabola
A definition and example that shows what a directrix of a parabola is.