Fill in the Blank with One of the Words or Phrases

Multiple Choice

Fill in the blank with one of the words or phrases listed below. $$\begin{array} { l } \text { matrix consistent system of equations triple } \\\text { solution inconsistent element } \\\text { column }\end{array}$$
-A(n) system of equations has at least one solution.

A) consistent
B) row
C) inconsistent
D) solution