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.
Discovery Education
Discovery Education: Web Math: Using the Quadratic Formula
This WebMath site provides interactive problem solvers to understand the quadratic formula and solve quadratic equations by factoring. In addition to providing answers, these 'solvers' show the step-by-step method in which to get there.
University of Vienna (Austria)
University of Vienna: The Big Function Graph Puzzle
Interactive matching game where linear and quadratic expressions are matched to their associated functions graphs. Site features over 100 graphs, although only six are used at one time.
Khan Academy
Khan Academy: Solve Equations Using Structure
Solve advanced equations by strategically using quadratic factorization methods. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Wyzant
Wyzant: Function Graphing Calculator
Students input a function in either y= of f(x)= form, and then the site from WyzAnt does the rest! A detailed graph is shown in less than a second. Students can change the window used to view the graph as well as whether to have...
Math Planet
Math Planet: Algebra 2: The Quadratic Formula
Gain an understanding of how to solve a quadratic equation using the quadratic formula by viewing examples and a video lesson. [2:23]
Math Planet
Math Planet: Algebra 2: How to Solve Quadratic Equations
Gain an understanding of how to use factoring to solve a quadratic equation by viewing examples and a video lesson. [2:13]
CK-12 Foundation
Ck 12: Applications of Function Models
[Free Registration/Login may be required to access all resource tools.] A collection of resources for exploring word problems using function models.
Khan Academy
Khan Academy: Fitting Quadratic and Exponential Functions to Scatter Plots
Determine if a quadratic or exponential model fits a data set better, then use the model to make a prediction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Texas Instruments
Texas Instruments: Ball Bounce
This activity allows students to use real data obtained by them to model quadratic equations. students can use the TI-83 and/or TI-84 and a motion detector to collect their data. The students will then manually fit both quadratic and...
Texas Instruments
Texas Instruments: Mc Dougal Littell Algebra 1: Find Minimum and Maximum
Students can use the TI-84 Plus family to find the minimum or maximum and the zeros of quadratic functions.
Texas Instruments
Texas Instruments: Math Today for Ti Navigator System Humidity Makes Air Feel
Using data from the USA TODAY graphic,"Humidity makes air feel even hotter," students will explore quadratic and cubic functions to determine how well they model the relationship between air temperature and heat index. When the models...
Texas Instruments
Texas Instruments: Prodigious! Quadratics and Free Fall Motion
Uses the movie "October Sky" as an introduction to the study of free fall motion functions. Acts a summation activity to a quadratic unit in Algebra. Solve quadratic equations by graphing, factoring, and the quadratic formula.
Texas Instruments
Texas Instruments: Getting Started With the Ti Navigator: Quadratic Equations
This lesson introduces students to Activity Center and is intended to help students write systems of equations in standard form in slope intercept form to solve the system using tables and graphs.
Alabama Learning Exchange
Alex: Discover the Roots of a Polynomial Function
In this lesson, students will be re-introduced to the Four Step Problem - Solving Plan. The plan will be used as a 'checks and balance' tool for discovering the roots (solutions) of polynomial functions. Students will: *Explore the...
Help Algebra
Help algebra.com: Quadratic Equations
After defining a quadratic equation, this site shows you what the graphs of quadratics look like and how to use the graphs to determine the numbers of solutions to the quadratic. A brief explanation is included on how graphing...
Purple Math
Purplemath: Solving Quadratic Equations by Factoring
Demonstrates how to solve quadratics using factoring (that is/the Zero-Product Property). Provides worked examples/and warnings about common mistakes.
Khan Academy
Khan Academy: Quadratic Formula
Solve quadratic equations using the quadratic formula. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Quadratics by Taking Square Roots
Solve quadratic equations of the form (x+a)squared-b=0. These can be solved using square roots. For example, solve (x-5)squared-4=0. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
Illustrative Mathematics
Illustrative Mathematics: F Bf Skeleton Tower
This problem is a quadratic function example where students analyze how many cubes are used to build a multi-dimensional tower of different heights. Aligns with F-BF.A.1.
Khan Academy
Khan Academy: Equations & Inequalities Word Problems
HSA-CED.A.1: Interactive resource which create equations and inequalities in one variable and use them to solve problems. Include equations arising from linear and quadratic functions, and simple rational and exponential functions....
Texas Instruments
Texas Instruments: What Goes Up Must Come Down
In this activity, students use the calculator to solve quadratic equations. They use the quadratic formula to determine the vertex and the x-intercepts of the graph of a quadratic function.
Illustrative Mathematics
Illustrative Mathematics: F If, a Rei Springboard Dive
This problem is about the changing height of a diver en route to the water. It gives students experience translating questions about a real-world context into mathematical questions about a quadratic function and then answering those...
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.