Activity
Texas Instruments

Texas Instruments: Conic Equations

For Teachers 9th - 10th Standards
This Learn Check file is a review of writing conic sections given the graph of a conic section. Students are asked to use the graphs to write the equations for a ellipse, circle, parabola, and hyperbola.
Handout
Other

Platonic Realms: Function

For Students 9th - 10th Standards
Resource provides an introduction to conics. A picture of each conic, the definition, and a brief discussion about the standard form of conic equations are given, along with encouragement to master conics.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Systems of Inequalities

For Students 9th - 10th Standards
Hotmath provides 21 practice problems dealing with systems of equations and inequalities. Each of the practice problems include a step-by-step guide for solving their algebraic problem.
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.
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: How Many Points Determine a Parabola?

For Students 9th - 10th
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.
Handout
Windstream

Ojk's Precalculus Study Page: Parabolas

For Students 9th - 10th Standards
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.
Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Graphing a Parabola

For Students 9th - 10th
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.
Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Parabola Given Three Points

For Students 9th - 10th Standards
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.
Website
National Council of Teachers of Mathematics

The Math Forum: Quadratic Formulas, Equations, Parabolas

For Students 9th - 10th Standards
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.
Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Equations of Conics

For Students 9th - 10th Standards
Posed with a student question about equations of conics, Dr. Math provides some insight on the standard form of parabolas, ellipses, and hyperbolas. One example is shown.
Activity
Other

Dans Math: Lessons: Intermediate Algebra

For Students 9th - 10th Standards
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.
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...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Quadratic Formula

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Use the quadratic formula to solve equations and find the vertex of parabolas.
Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Parabola Problems

For Students 9th - 10th
Dr. Math tackles a problem about culverts. This is in response to question posed by a student.
Unit Plan
CK-12 Foundation

Ck 12: Analysis: Planes in Space

For Students 11th - 12th
[Free Registration/Login may be required to access all resource tools.] The equation of a plane on an x, y, z coordinate graph
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs of Quadratic Functions in Intercept Form

For Students 9th - 10th Standards
[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.
Unit Plan
CK-12 Foundation

Ck 12: Analysis: General Forms of Conic Sections

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this lesson students review the general forms of conic section equations, identifying conic sections from their equations. Students examine guided notes, review...
Handout
Math Words

Math words.com: Conic Sections

For Students 9th - 10th Standards
Examples of conic sections are given and the equation for their standard form is also given.
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.
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...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Quadratic Functions and Their Graphs

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Graph and compare graphs of quadratic functions in the coordinate plane.
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...
Activity
Texas Instruments

Texas Instruments: Let's Play Ball With Families of Graphs

For Teachers 9th - 10th
This activity is designed for students to use real-time data to generate a family of parabolic graphs. The data set will be generated by graphing the heights of a ball bounce with respect to time. Students will determine the regression...
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.