Series: Algebra 1: Systems of Equations

None of the lesson in this series have been reviewed.

Below are the descriptions for each of the lessons included in the series:

• Alg 1: Systems of Equations 1 - Graphing

  This lesson covers the idea of graphing systems of equations. Students learn to solve a system of linear equations by graphing. The first step is to graph each of the given equations, then find the point of intersection of the two lines, which is the solution to the system of equations. If the two lines are parallel, then the solution to the system is the null set. If the two given equations represent the same line, then the solution to the system is the equation of that line.

  For more on this topic from www.YourTeacher.com, including practice problems, multiple-choice self-tests, printable worksheets, and more, click the following link:

  http://www.yourteacher.com/algebra1/graphingsystemsofequations.php

• Alg 1: Systems of Equations 2 - Addition

  This lesson covers the idea of system of equations. Students learn to solve a system of linear equations by addition. To solve a system of equations by addition, the goal is to cancel out one of the variables by adding the equations together. Students may need to multiply one or both of the equations by a number in order to set up a situation where one of the variables will cancel out when the equations are added together.

  For more on this topic from www.YourTeacher.com, including practice problems, multiple-choice self-tests, printable worksheets, and more, click the following link:

  http://www.yourteacher.com/algebra1/systemofequations.php

• Alg 1: Systems of Equations 3 - Substitution

  This lesson covers the idea of solving systems by substitution. Students learn to solve a system of linear equations by substitution, by first isolating one of the variables in the system, then substituting its value for the corresponding variable in the other equation.

  For more on this topic from www.YourTeacher.com, including practice problems, multiple-choice self-tests, printable worksheets, and more, click the following link:

  http://www.yourteacher.com/algebra1/solvingsystemsbysubstitution.php

Supplementary Files:

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