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Activity
Texas Instruments

Texas Instruments: Quadratic Functions

For Teachers 9th - 10th
Students can use quadratic functions to solve physical problems. Students can use the y = a(x-h)^2 + k form and the velocity formula (0 = -16t^2 + vt + s).
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Unit Plan
Other

Desmos: Quadratic Bundle

For Students 9th - 10th Standards
A collection of activities where students investigate quadratic relationships. Activities explore uses of quadratic relationships, features of parabolas and how to describe them, graphing quadratic functions, a marble activity with...
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Lesson Plan
University of Texas at Austin

Mathematics Teks Toolkit: Quadratic Functions

For Teachers 9th - 10th Standards
Students use a real-world problem to solve for quadratic functions.
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Activity
Texas Instruments

Texas Instruments: Exploring Standard Form of a Quadratic Function

For Teachers 9th - 10th
Students explore y=ax^2+bx+c using the transform graphing application. Teacher calculator is used with Navigator to send device settings, the equation format and initial coefficient values to all students. Worksheet includes all student...
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Handout
Interactive Mathematics

Interactive Mathematics: Find Equation of a Quadratic Function From Its Graph

For Students 9th - 10th
A detailed explanation of how to find a quadratic equation from its graph using different methods, including using software.
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Lesson Plan
PBS

Pbs Teachers: Toothpicks and Transformations [Pdf]

For Teachers 9th - 10th
Using calculators, students investigate quadratic functions using geometric toothpick designs in this instructional activity that with a review of transformations of quadratic functions, vertical and horizontal shifts, and stretches and...
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Unit Plan
Texas Education Agency

Texas Gateway: Solving Quadratic Equations Using Graphs

For Students 9th - 10th
Given a quadratic equation, the student will use graphical methods to solve the equation.
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Interactive
Lawrence Hall of Science

The Math Page: Topics in Pre Calculus: Quadratics

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains quadratic functions, including graphing functions and solving equations using factoring. There are example problems solved, problems for the student to attempt, and answers to the...
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Unit Plan
Interactive Mathematics

Interactive Mathematics: Quadratic Equations

For Students 9th - 10th Standards
Using modeling, the world of quadratics is explored. Learn how to solve quadratics using methods of factoring, completing the square, and the quadratic formula. Also included are methods for graphing quadratic functions.
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Handout
CK-12 Foundation

Ck 12: Algebra: Graphing Quadratic Equations Study Guide

For Students 9th - 10th
This comprehensive study guide highlights the main terms and formulas needed to review graphing quadratic equations. Examples are included.
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Lesson Plan
Alabama Learning Exchange

Alex: Parent Functions and Their Children

For Teachers 9th - 10th
In this lesson, students will be able to identify parent functions of linear functions, absolute value functions, and quadratic functions. Students will be presented with functions and asked to graph them by first identifying the basic...
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Activity
Texas Instruments

Texas Instruments: Video Tutorial Using the Graph Screen to Factor Quadratics

For Teachers 9th - 10th Standards
This tutorial shows you how to factor quadratic functions using the graph screen.
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Activity
Texas Instruments

Texas Instruments: Finding Patterns and Graphing Functions

For Teachers 9th - 10th Standards
This activity has students find patterns in the areas and perimeters of a given series of figures. Students' then use graphing calculators to graph the values and to find linear and quadratic functions to describe the patterns.
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Whiteboard
ClassFlow

Class Flow: Exploring Quadratic Functions

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Use this interactive flipchart to allow students to explore quadratic functions in algebra.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Identification of Quadratic Models

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers fitting a data set to a quadratic equation.
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Activity
Texas Instruments

Texas Instruments: Explore Graphs and Factors

For Students 9th - 10th Standards
Students use a graphing calculator to explore the relationship between the linear factors of a quadratic function and its zeros. They learn that the x-intercepts and axis of symmetry of a quadratic function can be determined from its...
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Unit Plan
Concord Consortium

Concord Consortium: Graphing Quadratic Equations

For Students 9th - 10th Standards
Students learn to graph the equation of a quadratic function using the coordinates of the vertex of a parabola and its x-intercepts.
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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...
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Activity
Texas Instruments

Texas Instruments: Floral Shop Math

For Teachers 9th - 10th
Students will create quadratic functions that model revenue collected and profit earned from selling bouquets in a flower shop. The students can use graphing calculators to identify the maximum value for each function. Once they identify...
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Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Algebra: Quadratic Equations

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the quadratic equations, including how to solve them by factoring, completing the square, and using the quadratic formula. There are example problems solved, problems for the student to...
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Activity
Texas Instruments

Texas Instruments: Playing With the Transformation Application

For Teachers 9th - 10th
Students try to fit a quadratic function to the 200 m world record data using the transformation graphing application.
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Unit Plan
BBC

Bbc: Higher Bitesize Maths: Quadratic Theory

For Students 9th - 10th Standards
A tutorial on quadratics presents topics including: factoring and solving quadratics, graphing quadratic functions, using completing the square and the quadratic formula to solve functions, the discriminant and conjugates. Plenty of...
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Graphic
BBC

Bbc: Functions

For Students 9th - 10th Standards
This resource takes a look at graphs of functions, composite functions, inverse functions and how to use completing the square to solve quadratic functions. A number of examples and a practice test are offered.
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Lesson Plan
PBS

Wnet: Thirteen: Math in Basketball: Lesson Plan

For Teachers 9th - 10th
In this lesson plan, students will explore ways that mathematics are used in basketball. Students will explore the concept of a function and will learn to use function notation. Students will recognize, describe, and represent quadratic...