CK-12 Foundation
Ck 12: Algebra: Quadratic Functions and Equations
[Free Registration/Login may be required to access all resource tools.] This lesson covers vertex, intercept, and standard forms.
CK-12 Foundation
Ck 12: Analysis: Graphs of Quadratic Functions
[Free Registration/Login may be required to access all resource tools.] Students review of quadratic function graphing methods. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Other
Quick Math: Quadratic Equations
Complete step-by-step investigation of quadratic functions, allowing the user to input the function. Each step, from solving f(x) = 0 to graphing and finding extreme points, is covered in depth, via links for each step (requires...
Texas Education Agency
Texas Gateway: Analyzing the Effects of Changes in "A" on the Graph Y=ax^2 + C
Given verbal, graphical, or symbolic descriptions of the graph of y = ax^2 + c, the student will investigate, describe, and predict the effects on the graph when "a" is changed.
Interactive Mathematics
Interactive Mathematics: Quadratic Equations
Using modeling, the world of quadratics is explored. Learn how to solve quadratics using methods of factoring, completing the square, and the quadratic formula. Also included are methods for graphing quadratic functions.
Texas Instruments
Texas Instruments: Exploring Standard Form of a Quadratic Function
Students explore y=ax^2+bx+c using the transform graphing application. Teacher calculator is used with Navigator to send device settings, the equation format and initial coefficient values to all students. Worksheet includes all student...
Texas Instruments
Texas Instruments: Exploring the Vertex Form of a Quadratic Function
In this activity, you will change the parameters of the function and determine the effects on its graph and its vertex.
Interactive Mathematics
Interactive Mathematics: Find Equation of a Quadratic Function From Its Graph
A detailed explanation of how to find a quadratic equation from its graph using different methods, including using software.
CK-12 Foundation
Ck 12: Algebra: Quadratic Functions and Equations
[Free Registration/Login may be required to access all resource tools.] Recognize a quadratic function as an equation in two variables with a specific form.
Quia
Quia: Graphing Quadratic Functions
Jeopardy type of a game will ask students to practice working with the three forms of quadratic equations. Can they: identify the form of equation, find the vertex, find the x-intercepts, identify what the graph looks like?
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Quadratic Equations
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.
BBC
Bbc: Higher Bitesize Maths: Quadratic Theory
A tutorial on quadratics presents topics including: factoring and solving quadratics, graphing quadratic functions, using completing the square and the quadratic formula to solve functions, the discriminant and conjugates. Plenty of...
University College London
University College London: The Graph of Y = Ax Squared + Bx + C
Provides a walkthrough of graphs of quadratic functions, including what factors "shift" or otherwise affect the parabola.
Illustrative Mathematics
Illustrative Mathematics: F Bf Building a Quadratic Function From F(x) = X^2
This is the first of a series of tasks aiming at understanding the quadratic formula in a geometric way in terms of the graph of a quadratic function. Here the student works with an explicit function and studies the impact of additive...
Khan Academy
Khan Academy: Range of Quadratic Functions
Given the equation of a quadratic function, determine its range.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Quadratic Function (Changing Coefficients)
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.
Illustrative Mathematics
Illustrative Mathematics: F if.c.7.a, a sse.b.3, F if.c.7: Graphs of Quadratic
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.
Texas Instruments
Texas Instruments: Taks Activities Objective 5: Quadratic Functions
For problem situations, the student analyzes graphs of quadratic functions and draws conclusions
PBS
Pbs Teachers: Toothpicks and Transformations [Pdf]
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...
Texas Education Agency
Texas Gateway: Solving Quadratic Equations Using Graphs
Given a quadratic equation, the student will use graphical methods to solve the equation.
Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: Quadratics
Here is a site that clearly and thoroughly explains quadratic functions, including graphing functions and solving equations using factoring. There are example problems solved, problems for the student to attempt, and answers to the...
Cuemath
Cuemath: Functions
In this mini-activity, students will learn about the world of functions. They will explore topics such as how to represent a function, conditions for a function, how to solve a function, types of functions, and various graphs of...
PBS
Wnet: Thirteen: Math in Basketball: Lesson Plan
In this lesson plan, students will explore ways that mathematics are used in basketball. Students will explore the concept of a function and will learn to use function notation. Students will recognize, describe, and represent quadratic...
Texas Education Agency
Texas Gateway: Determining Parent Functions (Verbal/graph)
Given a graph or verbal description of a function, the student will determine whether the parent function is quadratic or linear.