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  • Quadratic Equations
Number Systems
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Number systems and the rules for combining numbers can be daunting. This ... More

Number systems and the rules for combining numbers can be daunting. This unit will help you to understand the detail of rational and real numbers, complex numbers and integers. You will also be introduced to modular arithmetic and the concept of a relation between elements of a set. Less

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Material Type:
Activities and Labs
Readings
Syllabi
Provider:
Open University
Provider Set:
Open University OpenLearn
Author:
The Open University
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The Pattern of Graphing Quadratic Equations
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Read the Fine Print
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The students will develop an algebraic expression from geometric representations and ultimately ... More

The students will develop an algebraic expression from geometric representations and ultimately graph quadratic equations with understanding. The students will also develop a better understanding of algebraic expressions by comparing with geometric, tabular, and graphical representations. Less

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Subject:
Algebra
Geometry
Material Type:
Lesson Plans
Provider:
Alabama Learning Exchange (ALEX)
Provider Set:
ALEX
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Predict where the Axes of symmetry and the Vertices will be
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This applet is designed to allow students to explore how the coefficients ... More

This applet is designed to allow students to explore how the coefficients of a quadratic equation affect the shape and location of its graph. The applet can be used to enable students to discover a formula for the Axes of symmetry equation, or to use the Less

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Subject:
Geometry
Material Type:
Simulations
Provider:
GeoGebra
Provider Set:
GeoGebraTube
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The Quadratic Equation: It’s Hip to Be Squared
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Remix and Share
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This lesson aims to help students with quadratic functions y = ax2 ... More

This lesson aims to help students with quadratic functions y = ax2 + bx + c. This is the next step after linear functions bx + c. The lesson begins with three quadratics and their graphs (three parabolas): y = x2 - 2x + (0 or 1 or 2). The prerequisite or co-requisite is some working experience with algebra, like factoring x2 -2x into x(x-2). The objective is to connect four things: the formula for y, the graph of y (a parabola), the roots of y and the minimum or maximum of y. The particular example y = x2 – 2x could be repeated by the teacher, for emphasis. The lesson will take more than one class period (and this is deserved!). The breaks allow time to consider parabolas starting with -x2 and opening downward. A physical path would be one (dangerous?) activity. Less

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Subject:
Mathematics
Material Type:
Instructional Material
Lesson Plans
Video Lectures
Provider:
MIT Learning International Networks Consortium
Provider Set:
MIT Blossoms
Author:
Gilbert Strang
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Quadratic Equations: Objectives
Conditions of Use:
No Strings Attached
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This module contains the objectives of the chapter on quadratic equations from ... More

This module contains the objectives of the chapter on quadratic equations from Elementary Algebra by Denny Burzynski and Wade Ellis, Jr. Less

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Subject:
Algebra
Material Type:
Readings
Provider:
Rice University
Provider Set:
Connexions
Author:
Denny Burzynski
Wade Ellis
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Solving Quadratic Equations: Cutting Corners
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This lesson unit is intended to help teachers assess how well students ... More

This lesson unit is intended to help teachers assess how well students are able to solve quadratics in one variable. In particular, the lesson will help teachers identify and help students who have the following difficulties: making sense of a real life situation and deciding on the math to apply to the problem; solving quadratic equations by taking square roots, completing the square, using the quadratic formula, and factoring; and interpreting results in the context of a real life situation. Less

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Material Type:
Assessments
Lesson Plans
Provider:
Shell Center for Mathematical Education
University of California Berkeley
Provider Set:
Mathematics Assessment Project (MAP)
Mathematics Assessment Project (MAP)
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