
Consistent
A system of equations with at least one solution.

Dependent
A system of two linear equations if dependent if the equations describe the same line.

Inconsistent
A system of equations with no solutions.

Independent
A system of two linear equations is independent if the equations describe distinct lines.

System of Equations
A set of two or more equations with the same variables.

Underdetermined
A system in which there are more variables than equations is underdetermined.