Texas Instruments
Texas Instruments: Exploring the Parabola and Its Equation Part 1 and @
Starting with y=x^2 going all the way to (in part 2)y=ax^2+bx+c, how do changes in the quadratic equation/function change the appearance of the 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.
CK-12 Foundation
Ck 12: Analysis: Applications of Parabolas
[Free Registration/Login may be required to access all resource tools.] Exploring the similarity of parabolas and their use in real world applications
Analyze Math
Analyze Math: Vertex and Intercepts Parabola Problems
The tutorial explores the vertex and intercepts of parabolas. Some topics discussed are vertex form, vertical axis, intercepts, and graphing. The activity consists of examples with detailed solutions.
McGraw Hill
Glencoe Mathematics: Online Study Tool: Self Check Quiz on Parabolas
The online assessment exhibits knowledge of advanced mathematical concepts in Trigonometry. The questions test students on parabolas.
CK-12 Foundation
Ck 12: Analysis: Parabolas and Analytic Geometry
[Free Registration/Login may be required to access all resource tools.] In this lesson students gain an understanding of parabolas using analytic geometry, by exploring guided notes, watching a video and attempting practice problems.
Alabama Learning Exchange
Alex: Conic Sections: Playing With Parabolas
Through a mixture of online exploration, and teacher instruction, young scholars will discover how parabolas are formed and will be able to use the key components from a graph (vertex, focus and directrix,) to generate the equation of a...
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
Mathwords: Directrix of a Parabola
A definition and example that shows what a directrix of a parabola is.
Science Buddies
Science Buddies: Point of a Parabola: Focusing Signals for a Better Wireless Net
Here's a project with practical applications for homes with a wireless network. This project shows you how to build and test parabolic reflectors for the transmitters on your network. You may be able to increase the range of your...
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Axis of Symmetry of a Parabola
Find a quick, concise explanation of the Axis of Symmetry of a Parabola. An example is given to help you understand how to find the axis of symmetry of a parabola.
Science Struck
Science Struck: Real Life Examples of a Parabola
Explains what a parabola is and the vocabulary used to describe one and gives several examples of parabolas in real life.
Math Open Reference
Math Open Reference: Parabola
Learn about the three ways to define a parabola: Focus and Directrix, The Graph of a Function, and As a Conic Section. Examples are provided.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Parabola
Find a quick, concise explanation of what a parabola is. An illustration and example are both given and clearly explained.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: How Many Points Determine a Parabola?
This site discusses how many point determine a parabola and then gives an example of finding the equation of a parabola given the sufficient number of points located on the parabola.
Windstream
Ojk's Precalculus Study Page: Parabolas
Good study tutorial about parabolas. There are examples of finding the equation of the parabola or the focal point and directrix that students can examine and attempt.
National Council of Teachers of Mathematics
The Math Forum: Quadratic Formulas, Equations, Parabolas
Dr. Math here at the Math Forum, in a reply to a student question, helps find the vertex and coordinates of the parabola. The information is somewhat brief, but factual, and worth checking out.
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.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Area of a Parabola
Dr. Math helps a student find the area enclosed by a parabola and an ellipse.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Parabola Given Three Points
This site gives a student a hint of how to determine the equation of a parabola when given three points on the parabola. The Dr. only hints at the solution, encouraging thinking on behalf of the student.
Oswego City School District
Regents Exam Prep Center: Graphing Parabolas
Works through an example to show how to graph a parabola. Also shows what a positive and negative axis of symmetry looks like.
Creative Science Centre
Creative Science Centre: Solar Heaters and Other Parabolic Devices
Parabolic mirror surfaces are found wherever energy needs to be focused efficiently and accurately. You find them built into car headlights, spotlights, as well as astronomical telescopes. Here we explore the parabola in the design of...
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.
Texas Instruments
Texas Instruments: Quadratic Equations With the Cbl 2
Students will generate parabolas using the motion sensor. They will then determine the vertex form of the equation and compare it to the regression equation from the calculator.
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