Texas Instruments
Texas Instruments: Exploring the Vertex Form of the Quadratic Function
Examine the changes in a graph of a quadratic function that occur when different transformations are applied to the vertex form of the equation. Students will need to have the transformation graphing application on their TI-83+...
Concord Consortium
Seeing Math: Quadratic Transformer
The Quadratic Transformer was developed to support the learning of quadratic functions, and in particular to help you understand the connections between symbolic and graphic representations. Indirectly, it also helps you connect either...
Oswego City School District
Regents Exam Prep Center: Quadratic Inequalities
The mathematics tutorial explores quadratic inequalities. The lesson consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes a worksheet on matching graphs with equations.
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.
Wyzant
Wyzant: Calculator Index
These WyzAnt online graphing utilities help you calculate just about anything in algebra, including solving linear and quadratic equations to factoring polynomials. This a great tool for checking homework.
Texas Instruments
Texas Instruments: Bouncing Ball
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...
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.
Integrated Publishing
Integrated Publishing: Graphical Solution
This site explains how graphing can be used to solve (find the roots of) a quadratic equation. Practice problems are included.
Texas Instruments
Texas Instruments: Investigating the Parabola in Vertex Form (Y = Ax2
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...
CK-12 Foundation
Ck 12: Analysis: Hyperbola Equations and the Focal Property
[Free Registration/Login may be required to access all resource tools.] Students learn by exploring the focal property and graphing hyperbolas. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Cool Math
Coolmath: Graphing Parabolas Part 4
Find out how the equations shift the shape of the parabola.
Integrated Publishing
Integrated Publishing: Maximum and Minimum Points
An explanation of how to find maximum (or minimum) point of a quadratic equation, including graphs to enhance understanding. Includes several examples/exercises, with solutions on the page.
Khan Academy
Khan Academy: Graph Quadratics in Vertex Form
Graph quadratic functions that are given in the vertex form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Illustrative Mathematics
Illustrative Mathematics: A ced.a.2: Silver Rectangle
This task provides a geometric context for working with ratios and algebraic equations. Students will create and then solve an algebraic equation describing a remarkable shape, the silver rectangle. Aligns with A-CED.A.2.
Illustrative Mathematics
Illustrative Mathematics: A Rei the Circle and the Line
Students are required to solve a system of equations in this task which will demonstrate their understanding of the correspondence between intersection points of the two graphs and solutions of the system. Aligns with A-REI.C.7.
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: Algebra: Quadratic Functions and Their Graphs
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to find the x-intercepts, vertex, axis of symmetry, and y-intercept of a parabola.
Khan Academy
Khan Academy: Range of Quadratic Functions
Given the equation of a quadratic function, determine its range.
Khan Academy
Khan Academy: Lsn 13: Systems of Equations, Algebraic and Graphical Representations
Lesson 3 of 4 for Passport to Advanced Math. Students will solve systems of equations in two variables in which one equation is linear and the other equation is quadratic or another nonlinear equation; relate properties of the function f...
Other
University of Wisconsin: Basic Algebra
This college site offers a variety of problems and answers. Problems are divided into topic areas for easy access. Also offers quizzes with each topic.
Other
Algebra.com: Homework Solvers
This site offers both instruction and homework help in several algebraic topics, including topics within Pre-Algebra, Algebra I, and Algebra II.
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 Instruments
Texas Instruments: Numb3 Rs: Dial the Phone
Based off of the hit television show NUMB3RS, this lesson gives students some insight into the connection between graph theory and triangular numbers, using telephone networks. Similar to the famous Handshake Problem, students will find...
Sophia Learning
Sophia: Comparing Linear, Quadratic, and Exponential Functions
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...