Given a two-variable linear inequality, check whether a given pair of values is a solution of the inequality. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.

This site from the Simon Fraser University gives an introduction to solving a system of differential equations.

[Free Registration/Login may be required to access all resource tools.] Identify consistent and inconsistent linear systems.

[Free Registration/Login may be required to access all resource tools.] Learn how to write an equation given two points

[Free Registration/Login may be required to access all resource tools.] Learn how to write the equation of a line given the slope and any point.

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

Students will solve systems of linear equations.

[Free Registration/Login may be required to access all resource tools.] Write linear equations in standard form and find the slope and y-intercept of such lines.

[Free Registration/Login may be required to access all resource tools.] Learn how to work with linear equations in standard form.

[Free Registration/Login may be required to access all resource tools.] Learn how to express families of linear equations.

The tutorial discusses how to solve multiple equations by graphing. Learners explore the concept through notes and examples. Practice problems are included to check for comprehension of the algebra topic.

[Free Registration/Login may be required to access all resource tools.] Isolate and substitute for one variable to solve systems of equations in two variables.

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

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.] Use the elimination method to solve systems of linear equations.

[Free Registration/Login may be required to access all resource tools.] Solve systems of linear equations that require multiplication and addition or subtraction to eliminate one of the variables.

[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a system of linear equations using substitution.

This interactive linear system solver allows you to enter two linear equations in general form and then plot the lines and find the answer using either substitution or elimination. The answer is presented with both methods accompanied by...

[Free Registration/Login may be required to access all resource tools.] Students learn to solve a linear system by graphing. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.

The purpose of this task is to encourage students to think critically about both the algebraic and graphical interpretation of systems of linear equations. Aligns with A-REI.C.6.

[Free Registration/Login may be required to access all resource tools.] Learn how to work with linear equations in standard form.

The premise of this problem is simple - students must find three whole numbers with three different sums when they are added in pairs. To do this, they set up a system of linear equations in three variables. Aligns with A-REI.C.6.

A step by step of how to solve systems of linear equations using the row reduction method.

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