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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Factorization of Quadratic Expressions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Factor quadratic expressions in which the coefficients a, b, and/or c are negative.
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Unit Plan
Khan Academy

Khan Academy: Equations & Inequalities Word Problems

For Students 9th - 10th Standards
HSA-CED.A.1: Interactive resource which create equations and inequalities in one variable and use them to solve problems. Include equations arising from linear and quadratic functions, and simple rational and exponential functions....
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Activity
Texas Instruments

Texas Instruments: The Slope of the Tangent Line (Part2)

For Teachers 9th - 10th
In this activity, students graph the cubic and quadratic functions. They also graph the slope values of the tangent lines for each of the function graphs.
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PPT
Sophia Learning

Sophia: Comparing Linear, Quadratic, and Exponential Functions

For Students 9th - 10th Standards
Linear, quadratic and exponential functions have different graphs, equations, and characteristics. In this tutorial, compare the shape of linear, quadratic, and exponential curves on a graph, and explore how to identify a function as...
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Activity
Texas Instruments

Texas Instruments: What Goes Up Must Come Down

For Teachers 9th - 10th Standards
In this activity, students use the calculator to solve quadratic equations. They use the quadratic formula to determine the vertex and the x-intercepts of the graph of a quadratic function.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F If, a Rei Springboard Dive

For Teachers 9th - 10th
This problem is about the changing height of a diver en route to the water. It gives students experience translating questions about a real-world context into mathematical questions about a quadratic function and then answering those...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F if Throwing Baseballs

For Teachers 9th - 10th Standards
In this task about the height of baseballs thrown into the air, students are asked to compare characteristics of two quadratic functions that are each represented differently, one as the graph of a quadratic function and one written out...
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Activity
Integrated Publishing

Integrated Publishing: Graphical Solution

For Students 9th - 10th Standards
This site explains how graphing can be used to solve (find the roots of) a quadratic equation. Practice problems are included.
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Unit Plan
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: Funciones Elementales

For Students 9th - 10th Standards
This is an interactive activity to recognize a liner, quadratic or radical function by its algebraic expression or by its graph.
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Activity
Texas Instruments

Texas Instruments: The Discriminant

For Teachers 9th - 10th
In this set of questions, students find the discriminant of a quadratic function and use it to determine the number of real roots for the function. The questions are multiple choice and solutions are provided.
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Activity
Texas Instruments

Texas Instruments: Old Mac Donald's Pigpen

For Teachers 9th - 10th
In this activity, students solve a standard maximum value problem using the calculator. Students help Old MacDonald build a rectangular pigpen with 40 m fencing that provides maximum area for the pigs. They graph scatter plots, analyze...
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Activity
Texas Instruments

Texas Instruments: Ratio of Areas

For Teachers 9th - 10th Standards
In this activity, students use the CellSheet Application to determine geometric ratios of areas. Students determine the position of the vertices of a square that has all four vertices on the sides of a larger square and has a specified...
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Whiteboard
ClassFlow

Class Flow: Solutions to Quadratics

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Shows students how to solve for x within a quadratic function (no factoring) and identify the root(s) of the function.
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Activity
Interactive Mathematics

Interactive Mathematics: The Graph of a Function

For Students 9th - 10th Standards
Several examples are presented to demonstrate the process of graphing functions, including linear, quadratic, and rational functions.
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Graphic
Curated OER

S.o.s. Math: Sign of a Quadratic Function and Inequalities

For Students 9th - 10th
This lesson discusses the sign of a quadratic function as it applies to inequalities.
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Graphic
Curated OER

S.o.s. Math: Sign of a Quadratic Function and Inequalities

For Students 9th - 10th
This lesson discusses the sign of a quadratic function as it applies to inequalities.
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Graphic
Curated OER

S.o.s. Math: Sign of a Quadratic Function and Inequalities

For Students 9th - 10th
This lesson discusses the sign of a quadratic function as it applies to inequalities.
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Graphic
Curated OER

S.o.s. Math: Sign of a Quadratic Function and Inequalities

For Students 9th - 10th
This lesson discusses the sign of a quadratic function as it applies to inequalities.
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Graphic
Curated OER

S.o.s. Math: Sign of a Quadratic Function and Inequalities

For Students 9th - 10th
This lesson discusses the sign of a quadratic function as it applies to inequalities.
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Graphic
Curated OER

S.o.s. Math: Sign of a Quadratic Function and Inequalities

For Students 9th - 10th
This lesson discusses the sign of a quadratic function as it applies to inequalities.
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Activity
Texas Instruments

Texas Instruments: General Quadratics, Cubics, and Quartics

For Teachers 9th - 10th Standards
This activity explores the characteristics of the graphs of quadratic, cubic, and quartic functions. The graphing calculator will be used to generate graphs and derivatives of these functions.
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Activity
Texas Instruments

Texas Instruments: Ball Bounce

For Teachers 9th - 10th
This activity allows students to use real data obtained by them to model quadratic equations. students can use the TI-83 and/or TI-84 and a motion detector to collect their data. The students will then manually fit both quadratic and...
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Activity
Texas Instruments

Texas Instruments: Wrapping It All Up

For Teachers 9th - 10th Standards
Students recognize the effects of changes in parameters on the graphs of linear, quadratic, and exponential functions.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le Identifying Functions

For Teachers 9th - 10th Standards
In this task, learners are shown a table with linear, quadratic, and exponential functions at various values of x and are asked to match the function type to each data set and explain their reasoning. Aligns with F-LE.A.1.b and F-LE.A.1.c.

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