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Unknown Type
Khan Academy

Khan Academy: Range of Quadratic Functions

For Students 9th - 10th Standards
Given the equation of a quadratic function, determine its range.
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Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Quadratic Function (Changing Coefficients)

For Students 9th - 10th Standards
The Dr. gives information about a method for deciding how changing the coefficients of a quadratic function affects a graph. The page also leaves some questions for the reader to ponder.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F if.c.7.a, a sse.b.3, F if.c.7: Graphs of Quadratic

For Teachers 9th - 10th
During this task, students will realize that equivalent expressions produce the same graph. The lesson will lead to discussions about the value of different forms of equations. Aligns with F-IF.C.7.a, A-SSE.B.3, and F-IF.C.7.
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Activity
Texas Instruments

Texas Instruments: Taks Activities Objective 5: Quadratic Functions

For Teachers 9th - 10th
For problem situations, the student analyzes graphs of quadratic functions and draws conclusions
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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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Lesson Plan
Cuemath

Cuemath: Functions

For Students 9th - 10th Standards
In this mini-activity, students will learn about the world of functions. They will explore topics such as how to represent a function, conditions for a function, how to solve a function, types of functions, and various graphs of...
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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...
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Unit Plan
Texas Education Agency

Texas Gateway: Determining Parent Functions (Verbal/graph)

For Students 9th - 10th Standards
Given a graph or verbal description of a function, the student will determine whether the parent function is quadratic or linear.
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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.
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Activity
Texas Instruments

Texas Instruments: Construction Tools: Interactive Function Graphs

For Teachers 9th - 10th
Students draw a dynamic graph of the quadratic function with interactive parameters. They understand that there is only one graph of the function that changes dynamically as the values of the parameters change.
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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
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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Primary
J Coffman

Joseph Coffman's Lecture Notes: Modeling Data With Quadratics

For Students 9th - 10th Standards
Learners explore quadratic functions and their graphs. Vocabulary, examples, methods, and a quiz are included.
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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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Handout
University College London

University College London: Math Help Glossary: Keyword: Quadratic

For Students 9th - 10th Standards
A "glossary" definition of quadratic functions, including examples of quadratic and non-quadratic functions, and links to related definitions as well and graphs.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le What Functions Do Two Graph Points Determine?

For Teachers 9th - 10th Standards
In this task, young scholars find a unique linear function, a unique exponential function, and more than one quadratic function that go through the same two points on the coordinate grid. Aligns with F-LE.A.
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Activity
Texas Instruments

Texas Instruments: The Standard Form of a Quadratic Equation

For Teachers 9th - 10th Standards
In this activity, students explore the standard form of a quadratic equation, y = ax 2 + bx + c. They explore how the x-intercepts (zeros), y-intercept, and vertex are related to the graph of the standard form of a quadratic function.
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Interactive
Concord Consortium

Seeing Math: Quadratic Transformer

For Students 9th - 10th
The Quadratic Transformer was developed to support the learning of quadratic functions, and in particular to help you understand the connections between symbolic and graphic representations. Indirectly, it also helps you connect either...
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Unknown Type
University of Vienna (Austria)

University of Vienna: The Big Function Graph Puzzle

For Students 9th - 10th Standards
Interactive matching game where linear and quadratic expressions are matched to their associated functions graphs. Site features over 100 graphs, although only six are used at one time.
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Graphic
William Mueller

William Mueller: Families of Functions

For Students 9th - 10th Standards
Meet the Function Family! Each member of the family has examples of their graphs and descriptions of the types of real-world situation that produce those graphs.
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Activity
Texas Instruments

Texas Instruments: Graphs of Quadratic Functions in Vertex Form

For Teachers 9th - 10th
TI Explorations books has a great activity for TI InterActive! in graphing parabolas in vertex form. What if you don't have TI InterActive! or a lab to take your students, but you do have a class set of TI-83 or TI-84. This activity...