Unit Plan
Concord Consortium

Concord Consortium: Quadratic Functions in Vertex Form

For Students 9th - 10th
Given the equation of a quadratic function in vertex form, students learn to identify the vertex of a parabola from the equation, and then graph the parabola.
Activity
Texas Instruments

Texas Instruments: Exploring the Vertex Form of the Quadratic Function

For Teachers 9th - 10th
Students explore the vertex form of the parabola and discover how the vertex, direction, and width of the parabola can be determined by studying the parameters. They predict the location of the vertex of a parabola expressed in vertex form.
Activity
Texas Instruments

Texas Instruments: Vertex Form of a Parabola

For Teachers 9th - 10th
This set of multiple choice questions asks students to identify parabolas in vertex form, to find the vertices of parabolas, and to determine if their graphs open up or down. Solutions are included.
Activity
Texas Instruments

Texas Instruments: Investigating the Parabola in Vertex Form (Y = Ax2

For Teachers 9th - 10th
In this activity, students investigate the standard form of the quadratic function, y = ax^2 + bx + c. They investigate the changes on the graph of a quadratic equation that result from changes in A, B, and C. They also locate the vertex...
Activity
Texas Instruments

Texas Instruments: Writing Equations of Parabolas in Vertex Form

For Teachers 9th - 10th
Students use their knowledge of the vertex form of a quadratic equation to graph parabolas, given a specific move to make.
Handout
Analyze Math

Analyze Math: Vertex and Intercepts Parabola Problems

For Students 9th - 10th
The tutorial explores the vertex and intercepts of parabolas. Some topics discussed are vertex form, vertical axis, intercepts, and graphing. The activity consists of examples with detailed solutions.
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...
Activity
Texas Instruments

Texas Instruments: Parabolas: Numb3 Rs: Structural Corruption

For Teachers 9th - 10th
Based off of the hit television show NUMB3RS, this lesson helps students understand how changing the values of y=a(x-b)^2+c changes the graph of the associated parabola. This is framed in the context of a bridge jumper, who enters the...
Activity
Texas Instruments

Texas Instruments: Quadratic Equations With the Cbl 2

For Teachers 9th - 10th
Students will generate parabolas using the motion sensor. They will then determine the vertex form of the equation and compare it to the regression equation from the calculator.
Activity
Texas Instruments

Texas Instruments: Transforming Parabolas

For Teachers 9th - 10th Standards
1. Students will be able to review how to find the vertex of a parabola using a graphing calculator. 2. Students will be able to observe the relationship between the values of a, h and k and the graph of a parabola in vertex form. 3....
Website
Purple Math

Purplemath: Conics: Parabolas: Introduction

For Students 9th - 10th Standards
This reference material introduces the terms and equations related to parabolas in the context of conics. Also, relates concepts to previously-learned material and shows how to 'read' from the 'conics' form of the parabola equation.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs of Quadratic Functions in Intercept Form

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Understanding the graphs of a parabola given equations. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Handout
National Council of Teachers of Mathematics

The Math Forum: Parabolas

For Students 9th - 10th Standards
A brief overview on calculating various measures of segments, like focus to vertex and vertex to directix, is given. Additionally, equations of parabolas in general, standard, and vertex forms are listed.
Activity
Texas Instruments

Texas Instruments: Exploring Transformations of the Quadratic Function

For Teachers 9th - 10th Standards
Using TI-Interactive, students will discover how the variables of a, h, and k in the vertex form of a quadratic function affect the size, shape and location of the parabola. During the lesson students will write quadratic functions when...
Unit Plan
University of Georgia

University of Georgia: Writing Quadratic Equations

For Students 9th - 10th Standards
In this lesson, students will learn how to find an equation of a quadratic function when given the vertex of the parabola, and how to find the equation that defines a quadratic function when given three points.
Activity
Texas Instruments

Texas Instruments: Standard Form of a Parabola

For Teachers 9th - 10th
This activity will help students work with the standard form of a parabola y = a(x - h)^2 + k by writing an equation given the vertex and a point.
Lesson Plan
Alabama Learning Exchange

Alex: Conic Sections: Playing With Parabolas

For Teachers 9th - 10th Standards
Through a mixture of online exploration, and teacher instruction, students will discover how parabolas are formed and will be able to use the key components from a graph (vertex, focus and directrix,) to generate the equation of a graph.
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...
Activity
Texas Instruments

Texas Instruments: Exploring Quadratic Data With Transformation Graphing

For Teachers 9th - 10th
Students practice with the parameters of the vertex form of the parabola and their effect on the shape of the curve. They use this concept to find a quadratic model. They also use translation and dilation to change the general parabola.
Unit Plan
Khan Academy

Khan Academy: Features of Quadratic Functions: Strategy

For Students 9th - 10th Standards
Identify the form of a quadratic function that immediately reveals a given feature of that function. Features in question are the y-intercept of the graph, the zeroes ("roots") of the function, and the vertex of the parabola. Students...
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Khan Academy

Khan Academy: Features of Quadratic Functions: Strategy

For Students 9th - 10th Standards
Identify the form of a quadratic function that immediately reveals a given feature of that function. Features in question are the y-intercept of the graph, the zeroes ('roots') of the function, and the vertex of the parabola.
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Math Notes and Math Tests

Pre Calculus Notes: Polynomial and Rational Functions [Pdf]

For Students 9th - 10th Standards
The resource discusses quadratic functions. Topics examined are parabolas, the vertex, the axis of symmetry, and standard form.
Unit Plan
Khan Academy

Khan Academy: Features of Quadratic Functions

For Students 9th - 10th Standards
Find the zeroes ("roots") of quadratic functions and the vertex of their parabolas. Functions are given in standard, vertex, and factored form. Students receive immediate feedback and have the opportunity to try questions repeatedly,...
Unknown Type
Khan Academy

Khan Academy: Features of Quadratic Functions

For Students 9th - 10th Standards
Find the zeroes ('roots') of quadratic functions and the vertex of their parabolas. Functions are given in standard, vertex, and factored form.