An artificial variable has no physical interpretation but
A)is added to each ≤ constraint to facilitate the simplex process.
B)is added to each ≥ constraint to facilitate the simplex process.
C)is added to each ≤ or = constraint to facilitate the simplex process.
D)is merely another manner of introducing a negative slack.

Question

Quizplus · Accepted Answer

Artificial variables are added to each ≥ constraint (or equality constraints that cannot be converted directly into slack form) in linear programming problems to facilitate the simplex process. They help in finding an initial feasible solution when the simplex method is applied.

An Artificial Variable Has No Physical Interpretation but