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Systems of Equations and Inequalities

What is a system of equations?  It is a collection of two or more equations with the same solution (common point) to both equations. The solution to a system of equations is the common solution (common point) to both equations. 

When do we use a system of equations?  Typically, it used when there is more than one unknown quantity and you want a specific amount for each quantity. 
For more information on the concept of a system of equations, click here.

2.3.1a Solve system of equations by graphing
2.3.1b Determine if a point is a solution to a given system of equation
2.3.1c Solve system of equations by substitution
2.3.2a Solve system of equations by linear combination (elimination)
2.3.2c Systems of Equations with three variables (honors)
2.3.2d State the Number of Solutions to a system of equations
2.3.2e Equivalent Systems of Equations (honors)
2.3.2f System of Equations Mixed Review
2.3.3 Graphing Inequalities in Two Variables
2.3.4 Systems of linear inequalities