Two linear equations, with two variables, are presented and students use graphs to solve the system of equations.

The method of graphing to solve a system of linear equations is demonstrated on this site. Students are shown how to graph the lines, then shown how to find the solution.

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.

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...

Demonstrates step-by-step, with illustrations, how to solve linear equations. Also explains the formatting and reasoning for 'no solution' and 'all x' equations. Includes interactive tool for practice solving linear equations.

Given application problems, the student will use appropriate tables, graphs, and algebraic equations to find and justify solutions to problems.

Gain an understanding of how to solve systems of equations by graphing by viewing an example and a video lesson. [2:49]

Practice the connection between the graphical representation of equations and their algebraic solutions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.

Provides a thorough lesson on radical equations. Explains what radical equations are and provides many different examples on how to solve different types of radical equations.

A discussion of how to solve absolute value problems. The lesson goes into detail about the graphs of absolute value problems and how the graph is related to the numeric solution. Includes problems along with interactive widgets.

Use your knowledge about the slopes of parallel and perpendicular lines to solve some problems. For example, what's the equation of the lineperpendicular to y=3x-3 and passes through the point (-8, -2).

Three examples are used to demonstrate solving a system of linear equations algebraically using addition and subtraction. The examples cover different situations that occur with the coefficients of the variable terms. Includes several...

A nice tutorial on how to graph linear equations. Goes through the process step by step and gives numerous examples.

Here is a site that clearly and thoroughly explains the equation of a line, including how to find points on a line, intercepts, and how to recognize the equation of a line. There are example problems solved, problems for the student to...

Students solve two problems involving the motion of projectile objects, modeled using quadratic equations. They then graph parabolas and use the graphs to answer questions about projectile objects, and identify the maximum heights of the...

Demonstrates the steps involved in solving a general polynomial, including how to use the Rational Roots Test and synthetic division. Points out when using a graphing calculator can be very helpful.

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...

Algebra lesson focuses on using patterns and relationships to write equations with two variables to represent relationships and patterns in real-world problems, plotting ordered pairs on a coordinate grid, and interpreting the meaning of...

[Free Registration/Login may be required to access all resource tools.] This lesson covers fitting a data set to a quadratic equation.

Solving a system of linear inequalities is shown to be as easy as solving a system of linear equations! An example is explained before students are given several problems to complete on their own. Complete explanations of these are...