This site gives an example of solving a system of equations with the use of Gaussian Elimination.

Take a closer look at the SAT Math Test. Math questions on the test fall into different categories called "domains." One of these domains is Heart of Algebra. It focuses strongly on algebra -- especially on the areas of the subject that...

[Free Registration/Login may be required to access all resource tools.] Solve linear systems by using substitution.

This activity is a series of LearningCheck documents to be used during a unit on solving systems of linear equations.

In Spanish. Learn the algebraic language to represent and solve systems of two linear equations with two unknowns.

The lesson plan investigates how to use matrices to solve a complex linear programming problem. Educators can download printable version of the activity in pdf format.

The resource consists of comprehensive notes, videos, and worksheets through which students can review algebra concepts.

This site provides a specific example of Cramer's Rule. The site does not explain why Cramer's Rule works, yet does a fair job of expressing the method to reach the answers.

This lesson is a review of problems with systems of inequalities. Many of the questions involve real world scenarios as word problems which the reader must decipher and resolve.

In Spanish. Practice how to solve system of equations graphically with this interactive activity.

This resource presents information about the mathematical model of forces on bridges. Examples of a classroom activity are provided. The resource also involves using matrices to solve systems of equations.

[Free Registration/Login may be required to access all resource tools.] In this lesson students apply the various solution methods to solve real-world problems involving linear systems. Students watch a video tutorial, explore guided...

Analyze related rates problems to determine the appropriate value or units for various expressions used to solve the problem.

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....

[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a system of equations in three variables (x, y, and z).

Use this tutorial to learn how Cramer's Rule works for 3 x 3.

Students will identify factors that affect the solubility of a salt and test one of the factors (temperature). They will apply their experience to ocean salinity, the effects of temperature on the composition of ocean water, and what...

Learners identify the graphs of a system of linear equations and then solve the system. The practice exercise is available in PDF format.

Students solve a system of linear equations using the elimination method. The practice exercise is available in PDF format.

This site from the Richland Community College provides the detailed lecture notes to a college algebra course, complete with equations and definitions. Content ranges from "functions and their graphs" to "conics and parametric equations."

[Free Registration/Login Required] In this Flipchart, students are introduced to linear equations, substitutions, and graphing linear equations on a coordinate grid system.

This lesson demonstrates graphing two lines on a coordinate plane and determining the point where two lines intersect. It is 2 of 5 in the series titled "Finding Intersections."

This lesson demonstrates graphing two lines on a coordinate plane and determining the point where two lines intersect. It is 3 of 5 in the series titled "Finding Intersections."

This lesson demonstrates graphing two lines on a coordinate plane and determining the point where two lines intersect. It is 5 of 5 in the series titled "Finding Intersections."