| A | B |
| Function of Two Variables | A relationship in which one variable depends on two other variables. |
| Linear Combination Method | A method of solving system of equations where the goal is to add the equations to obtain an equation in one variable. |
| Linear Eq in Three Variables | An equation of the form ax + by + cz = d. |
| Linear Programming | The process of optimizing a linear objective function subject to a system of linear inequalities called constraints. |
| Ordered Triple | A set of three numbers of the form (x, y, z) that represents a point in space. |
| System of Linear Inequalities | A system made up of two linear inequalities in two variables. |
| System of Three Linear Eq in Three Variables | A system made up of three linear equations in three variables. |
| System of Two Linear Eq in Two Variables | Two equations of the form Ax + By = C and Dx + Ey = F. |
| Substitution Method | A method of solving system of equations where the goal is to substitute the value of one equation in for another to obtain only one variable. |
| Three-dimensional Coordinate System | A coordinate system determined by three mutually perpendicular axes. |