Unit Plan
Khan Academy

Khan Academy: Graph Quadratics in All Forms

For Students 9th - 10th
Graph quadratic functions given in any form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Parabola

For Students 9th - 10th
Thirty-two problems present a variety of practice working with parabolas. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to check...
Activity
Lawrence Hall of Science

The Math Page: Topics in Pre Calculus: Basic Graphs

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the graphs of the major mathematical functions. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to...
Handout
Math Open Reference

Math Open Reference: Parabola

For Students 9th - 10th Standards
Learn about the three ways to define a parabola: Focus and Directrix, The Graph of a Function, and As a Conic Section. Examples are provided.
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.
Handout
Interactive Mathematics

Interactive Mathematics: Find Equation of a Quadratic Function From Its Graph

For Students 9th - 10th
A detailed explanation of how to find a quadratic equation from its graph using different methods, including using software.
Graphic
Math2

Math2.org: Algebraic and Conic Section Graphs

For Students 9th - 10th Standards
THis resource provides examples and information about Algebraic graphing.
Activity
Other

Dans Math: Lessons: Intermediate Algebra

For Students 9th - 10th Standards
College professor Dan Bach presents a review of algebra concepts, including factoring, quadratic equations, and graphing parabolas. The examples are detailed, but easy to follow. This is a good site for reviewing before tests and quizzes.
Activity
Texas Instruments

Texas Instruments: Let's Play Ball With Families of Graphs

For Teachers 9th - 10th
This activity is designed for students to use real-time data to generate a family of parabolic graphs. The data set will be generated by graphing the heights of a ball bounce with respect to time. Students will determine the regression...
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: 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.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Quadratic Equations

For Students 9th - 10th
Practice using your graphing calculator for solving and graphing quadratic equations. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.
Activity
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: La Function Cuadratica. Parabolas.

For Students 9th - 10th Standards
In Spanish. In this unit you will examine the plot of a second -degree polynomial function. You will establish similarities and differences between the graphs of two second-degree polynomial functions from their coefficients.
Activity
Texas Instruments

Texas Instruments: Numb3 Rs: Fresh Air and Parabolas

For Teachers 9th - 10th
Based off of the hit television show NUMB3RS, this lesson examines a plane crash, and gets students to try to find the location of various pieces of wreckage. This is done using parametric equations which form a parabolic trajectory....
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le Finding Parabolas Through Two Points

For Teachers 9th - 10th Standards
For this task, students are asked to find the quadratic functions that pass through two given points on a coordinate grid and to describe how their graphs are related. Aligns with F-LE.A.2.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A rei.d.10: Collinear Points

For Teachers 9th - 10th
This task leads students through a series of problems which illustrate a crucial interplay between algebra and geometry. Aligns with A-REI.D.10.
Unit Plan
Other

Desmos: Quadratic Bundle

For Students 9th - 10th Standards
A collection of activities where students investigate quadratic relationships. Activities explore uses of quadratic relationships, features of parabolas and how to describe them, graphing quadratic functions, a marble activity with...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Identification of Quadratic Models

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Understanding the equations of parabolas
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...
Activity
Texas Instruments

Texas Instruments: Parabolic Applications

For Teachers 9th - 10th
Students will analyze a parabola graphed from word problems. Students can use the calculator to find the roots and vertex of the graph to answer questions based on the word problems.
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: How High Will It Bounce?

For Teachers 9th - 10th
In this activity, students collect the height versus time data of a bouncing ball using the CBR 2. They find the relationship between the bounce number and the bounce height. They learn to graph scatter plots, calculate the maximum value...
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...