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eBook
Math Planet

Math Planet: Algebra 2: The Quadratic Formula

For Students 9th - 10th Standards
Gain an understanding of how to solve a quadratic equation using the quadratic formula by viewing examples and a video lesson. [2:23]
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eBook
Math Planet

Math Planet: Algebra 2: How to Solve Quadratic Equations

For Students 9th - 10th Standards
Gain an understanding of how to use factoring to solve a quadratic equation by viewing examples and a video lesson. [2:13]
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Unknown Type
Khan Academy

Khan Academy: Algebra 2: Compare Features of Functions

For Students 9th - 10th Standards
Compare various features between two functions, each represented in a different way. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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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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Activity
Wyzant

Wyzant: Function Graphing Calculator

For Students 9th - 10th Standards
Students input a function in either y= of f(x)= form, and then the site from WyzAnt does the rest! A detailed graph is shown in less than a second. Students can change the window used to view the graph as well as whether to have...
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Activity
Texas Instruments

Texas Instruments: Behaviors Quadratic Functions

For Teachers 9th - 10th
This StudyCard set teaches and tests on the quadratic function. Shows connection between the function parameters and the resulting geometric behaviors of the quadratic function. Use with Foundations for College Mathematics, ch. 2.5, 9.1.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Bf, a Sse Building a General Quadratic Function

For Teachers 9th - 10th
This task is a followup to the one called 'Building an explicit quadratic function.' In this one, students follow the same process with a general quadratic function. The operations take place in the opposite order and the goal is to find...
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Activity
Analyze Math

Analyze Math: Quadratic Functions (1)

For Students 9th - 10th Standards
Students are introduced to quadratic functions. The tutorial explores the equation of a quadratic function, intercepts, graphing, and points of intersection. The activity consists of examples with detailed solutions.
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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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Activity
Texas Instruments

Texas Instruments: Transformations of Quadratics

For Teachers 9th - 10th
Series of LearningCheck documents to assess student knowledge of quadratic transformations.
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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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Activity
Analyze Math

Analyze Math: Quadratic Functions: Problems (1)

For Students 9th - 10th Standards
The tutorial demonstrates how to use quadratic functions to solve word problems. Some topics discussed are minimum points, maximum points, and vertex. The activity consists of examples with detailed solutions.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Apr Zeroes, Factorization of Quadratic Polynomial Ii

For Teachers 9th - 10th Standards
This task is intended to help learners see more clearly the link between factorization of polynomials and zeroes of polynomial functions. The argument here generalizes to show that a polynomial of degree d can have at most d roots....
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Apr Zeroes and Factorization of Quadratic Polynomial

For Teachers 9th - 10th Standards
This is the first of a series of problems building to an understanding of an important property of polynomial functions, that a polynomial of degree d can have at most d roots. Aligns with A-APR.B.2.
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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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Activity
Discovery Education

Discovery Education: Web Math: Using the Quadratic Formula

For Students 9th - 10th Standards
This WebMath site provides interactive problem solvers to understand the quadratic formula and solve quadratic equations by factoring. In addition to providing answers, these 'solvers' show the step-by-step method in which to get there.
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Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Definition of Quadratic Function

For Students 9th - 10th
Dr. Math briefly defines a quadratic function.
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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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Activity
Math Medics

S.o.s. Math: Quadratic Equations: Basic Definitions

For Students 9th - 10th Standards
This S.O.S. Math tutorial offers definitions and examples of quadratic equations and quadratic functions.
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Unit Plan
CK-12 Foundation

Ck 12: Analysis: Methods for Solving Quadratic Functions

For Students 11th - 12th
[Free Registration/Login may be required to access all resource tools.] A review of the three major methods of solving quadratic functions for ''X'' intercepts.
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Unit Plan
Khan Academy

Khan Academy: Solving Quadratics by Completing the Square

For Students 9th - 10th Standards
Practice some multiple-choice problems solving quadratics by completing the square.
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Unit Plan
PBS

Pbs: Representing Functions

For Students 6th - 8th
Watch as the organ function grinder from the National Museum of Mathematics represents a quadratic function in a variety of ways. This video focuses on converting a verbal expression into an algebraic representation.
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Unit Plan
Khan Academy

Khan Academy: Graph Quadratics in Vertex Form

For Students 9th - 10th Standards
Graph quadratic functions that are given in the vertex form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unit Plan
Khan Academy

Khan Academy: Quadratic Formula

For Students 9th - 10th Standards
Solve quadratic equations using the quadratic formula. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.