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...
Texas Instruments
Texas Instruments: Glencoe Algebra: Graphing Quadratic Functions in Vertex Form
Students will explore quadratic functions in vertex form.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Aplicaciones De La Derivada
In Spanish. In this interactive unit learn how to calculate intervals of growth and decay, maximum and minimum value of a function, the intervals of concavity and convexity and the turning points of a function.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Funcion Derivada
In Spanish. Learn with these interactive exercises the concept of the derivative of a function, calculate tangents to a curve and maximum and minimum values of functions.
Varsity Tutors
Varsity Tutors: Hotmath: Quadratic Function
Students will use graphics to understand quadratic functions such as parabolas and determine the vertex, intercepts, domain, and range of the functions.
Discovery Education
Discovery Education: Web Math: Complete the Square on a Polynomial
This WebMath site allows the student to type in a quadratic and have it solved by the completing the square method.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Quadratic Equations
Find a concise explanation of how to graph quadratic equations. Several examples are given and clearly explained.
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.
Purple Math
Purplemath: Completing the Square: Solving Quadratic Equations
Purplemath gives several examples which clearly show the process of completing the square to find the maximum and minimum solutions to a quadratic equation.
Annenberg Foundation
Annenberg Learner: Insights Into Algebra 1. Workshop 4
Determine the height of a bouncing ball by creating a quadratic function for each.
Analyze Math
Analyze Math: Quadratic Functions: Problems (1)
The tutorial demonstrates how to use quadratic functions to solve word problems. Some topics discussed are minimum points, maximum points, and vertex. The activity consists of examples with detailed solutions.
University of Georgia
University of Georgia: Writing Quadratic Equations
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.
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...
Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: Completing the Square
Here is a site that clearly and thoroughly explains how to solve quadratic equations by completing the square. The quadratic formula is derived using this method on this page. Point this site out to students who have been absent or who...
Purple Math
Purplemath: Completing the Square: Finding the Vertex
Demonstrates step-by-step how to complete the square to find the vertex of a parabola. Thorough descriptions of each problem.
Cool Math
Coolmath: Making the Connection Between Graphing and Solving
Description and examples of the connection between solving and graphing quadratics.
Cool Math
Coolmath: Graphing Polynomials Absolute Maximums and Minimums
This algebra lesson explains how to find the absolute maximums and minimums (extrema) of a polynomial.
Cool Math
Coolmath: Graphing by Completing the Square Intro
This algebra lesson introduces how to complete the square in a parabola.
Math Planet
Math Planet: The Graph of Y = Ax^2 + Bx + C
A nonlinear function that can be written on the standard form ax^2 + bx + c,where a is not = 0, is called a quadratic function. All quadratic functions hava a U-shaped graph called a parabola.
Concord Consortium
Concord Consortium: Graphing Quadratic Equations
Students learn to graph the equation of a quadratic function using the coordinates of the vertex of a parabola and its x-intercepts.
Khan Academy
Khan Academy: Completing the Square (Intro)
Try these multiple-choice practice problems on completing the square.
Khan Academy
Khan Academy: Solving Quadratics by Completing the Square
Practice some multiple-choice problems solving quadratics by completing the square.
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.
Khan Academy
Khan Academy: Completing the Square
Solve quadratic equations of the form ax^2+bx+c by completing the square. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.