| A | B |
|---|
| System of Linear Equations | Two or more linear equations in the same variables. Also called a linear system |
| Linear Combination of Two Equations | An equation obtained by adding one of the equations (or a multiple of one of the equations) to the other. |
| Graphing Method | A useful method for approximating a solution, checking the reasonableness of a solution, and providing a visual method. |
| Substitution Method | A useful method when at least one of the variables has a coefficient of 1 or -1. |
| Linear Combinations Method | A useful method when none of the variables has a coefficient of 1 or -1. |
| System of Linear Inequalities | Two or more linear inequalities in the same variables. Also called a system of inequalities. |
