Hi, what do you want to do?
CK-12 Foundation
Ck 12: Algebra: Solving Problems by Factoring
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving quadratic equations by factoring.
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.
Math Is Fun
Math Is Fun: Derivation of Quadratic Formula
The learning resource investigates the quadratic formula. Students learn how the formula is derived by completing the square and solving for x.
Wyzant
Wyzant: Equation Calculator
Students can input an equation and have the site solve it for them, complete with steps shown and explanations given along the way. Equations must be simple, first- or second-degree with only one variable. A quick list of rules to follow...
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...
CK-12 Foundation
Ck 12: Algebra: Completing the Square
[Free Registration/Login may be required to access all resource tools.] Learn how to complete the square in order to solve quadratic equations.
Khan Academy
Khan Academy: Quadratics by Taking Square Roots
Solve quadratic equations of the form (x+a)^2-b=0. These can be solved using square roots. For example, solve (x-5)$2-4=0.
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.
Khan Academy
Khan Academy: Quadratics by Factoring (Intro)
Solve quadratic equations of the form x^2+bx+c=0 that can be rewritten according to their linear factors.
Purple Math
Purplemath: The Quadratic Formula Explained
An excellent discussion on solving quadratic formulas, accompanied by numerous examples.
Oswego City School District
Regents Exam Prep Center: Linear Quadratic Systems
A lesson, practice exercise, and resource for use when planning classroom instruction on linear quadratic systems. Find definitions, example equations and graphs, a four-question quiz with solutions, and an activity through which...
Shodor Education Foundation
Shodor Interactivate: Algebra Quiz
Students are able to have an on line quiz where the score and time elapsed is recorded on various level of solving equation problems.
Khan Academy
Khan Academy: Quadratics by Taking Square Roots
Analyze the process of solving a quadratic equation by taking the square root. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Algebra: Quadratic Formula
[Free Registration/Login may be required to access all resource tools.] Learn how to use the quadratic formula.
Khan Academy
Khan Academy: Equations and Inequalities Word Problems
Construct an equation or an inequality that models a given context. Modeling expressions can be quadratic, rational, or exponential. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video,...
Cuemath
Cuemath: Equation
A comprehensive guide for learning all about equations with definitions, how to solve them, solved examples, and practice questions.
Oswego City School District
Regents Exam Prep Center: Linear Quadratic Systems
The mathematics tutorial explores how to solve linear and quadratic systems of equations. The lesson consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes a worksheet that...
Elias Saab
Math Drills: Roots of Polynomial Functions Quiz
An interactive quiz which provides students with a problem involving a polynomial function to be solved. Students input their solution and have the program evaluate it. Hints are available if the student needs them, and explanations are...
Khan Academy
Khan Academy: Solve Equations Using Structure
Solve advanced equations by strategically using quadratic factorization methods.
Mangahigh
Mangahigh: Algebra: Solve Trinomials by Using the Quadratic Formula
Students watch an online tutorial on the concept of solving trinomials using the quadratic formula. After watching, students test their knowledge by attempting ten practice problems that increase or decrease in difficulty based on their...
Cool Math
Coolmath: The Quadratic Formula
Reference material and practice problems using the quadratic formula.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: The Discriminant
Thirty-eight problems present a variety of practice working with discriminant. 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...
CK-12 Foundation
Ck 12: Trigonometry: Trigonometric Equations Using Factoring
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving trigonometric equations using factoring, square roots, and the quadratic formula.
Khan Academy
Khan Academy: Completing the Square (Intermediate)
Solve quadratic equations of the form x^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.