Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Equation for an Arch

For Students 9th - 10th
A student with a summertime carpenter job asks Dr. Math how to draw an arch. Dr. Math responds by showing how the equation of the parabola can be generated by having three distinct points of the parabola known.
Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Parabolic Equation of an Arch

For Students 9th - 10th
A student, in writing to Dr. Math, wants to know how to find the equation of the parabola of McDonald's arches. Dr. Math helps the student get started with the problem.
Activity
Texas Instruments

Texas Instruments: Given a Graph, What Is the Function?

For Teachers 9th - 10th
Understanding how to associate a function of a parabola with its graph. Students will explore varies functions and determine its graph. They will then use what they learned to predicate where a particular graph of a different function...
Activity
Texas Instruments

Texas Instruments: Exploring Transformations of the Quadratic Function

For Teachers 9th - 10th Standards
Using TI-Interactive, students will discover how the variables of a, h, and k in the vertex form of a quadratic function affect the size, shape and location of the parabola. During the lesson students will write quadratic functions when...
Activity
Texas Instruments

Texas Instruments: Old Mac Donald's Pigpen

For Teachers 9th - 10th
In this activity, students solve a standard maximum value problem using the calculator. Students help Old MacDonald build a rectangular pigpen with 40 m fencing that provides maximum area for the pigs. They graph scatter plots, analyze...
Activity
Texas Instruments

Texas Instruments: Parabolic Applications

For Teachers 9th - 10th
Students will analyze a parabola graphed from word problems. Students can use the calculator to find the roots and vertex of the graph to answer questions based on the word problems.
Activity
Texas Instruments

Texas Instruments: St. Louis Curves or Arch? You Pick!

For Teachers 9th - 10th
Students explore curve fitting and translations of the parabola.
Activity
Texas Instruments

Texas Instruments: Conics as a Locus of Points

For Teachers 6th - 8th
Students investigate the definition of a parabola through one of its geometric definitions. They study conic sections. They examine an ellipse as a locus of points such that the sum of distances from the foci to the traced path is constant.
Activity
Texas Instruments

Texas Instruments: How High Will It Bounce?

For Teachers 9th - 10th
In this activity, students collect the height versus time data of a bouncing ball using the CBR 2. They find the relationship between the bounce number and the bounce height. They learn to graph scatter plots, calculate the maximum value...
Activity
Texas Instruments

Texas Instruments: Bouncing Ball

For Teachers 9th - 10th Standards
In this experiment, students collect the height versus time data of a bouncing ball using the CBR 2. This activity investigates the values of height, time, and the coefficient A in the quadratic equation, which describes the behavior of...
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Conics and Reflection

For Teachers 9th - 10th Standards
Students investigate the reflective properties of the parabola, the ellipse, and the hyperbola. They will look at applications that relate to both the collection of incoming signals and signals that are emitted from a source and...
Activity
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: Conicas

For Students 9th - 10th Standards
In Spanish. Learn more about the ellipse, hyperbola and the parabola with these interactive activities.
Handout
Other

Sierra College: Conics

For Students 9th - 10th Standards
Provides the locus of points, dominant axis and equation, discriminant, center, vertex, focus, directrix, and asymptotes for the parabola, the ellipse, and the hyperbola.
Activity
Exploratorium

Exploratorium: Science Snacks: Water Spinner

For Students 9th - 10th
A student demonstration which illustrates that rotating water has a curved surface called a parabola.
Handout
Varsity Tutors

Varsity Tutors: Hotmath: Quadratic Function

For Students 9th - 10th Standards
Students will use graphics to understand quadratic functions such as parabolas and determine the vertex, intercepts, domain, and range of the functions.
Activity
Paul Dawkins

Paul's Online Notes: Algebra: Common Graphs

For Students 9th - 10th Standards
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...
Website
Discovery Education

Discovery Education: Web Math: Plots and Geometry

For Students 9th - 10th Standards
This site provides descriptions and helpful hints regarding conic sections - circles, parabolas, ellipses, and hyperbolas. Content also includes interactive problem solvers complete with a full analysis of the math behind the answer.
Unit Plan
Math Planet

Math Planet: The Graph of Y = Ax^2 + Bx + C

For Students 9th - 10th Standards
A nonlinear function that can be written on the standard form ax^2 + bx + c,where a is not = 0, is called a quadratic function. All quadratic functions hava a U-shaped graph called a parabola.
Handout
Purple Math

Purplemath: Graphing Quadratic Functions: Introduction

For Students 9th - 10th Standards
The most basic quadratic is y = x2. The general technique for graphing quadratics is the same as for graphing linear equations. The quadratics graph as curvy lines (called "parabolas"), rather than the straight lines generated by linear...
eBook
Mathigon

Mathigon: Geometry: Circle and Pi: Conic Sections

For Students 9th - 10th
The circle is one of four different shapes which can be created using "slices" through a cone, a 3-dimensional solid that has a circular base joined to a single point (called the vertex) by a curved side. If you tilt a cone, you get an...
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 10.1 Conic Sections

For Students 9th - 10th Standards
The conic sections are the cross-sections of a double-napped cone. Depending on the angle of the plane with respect to the cone, a conic section may be a circle, an ellipse, a parabola, or a hyperbola.
Lesson Plan
Other

Nearpod: Quadratic Equations: Intro & Factoring

For Teachers 9th - 10th
For this lesson, students will learn the main parts of a parabola and solve quadratic equations by factoring.
Handout
Math Words

Math words.com: Vertex, Parabola

For Students 9th - 10th Standards
The definition is given for what the vertex is. An example illustration is also given.
Unit Plan
Concord Consortium

Concord Consortium: Quadratic Functions in Vertex Form

For Students 9th - 10th
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.

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