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.
E)None of the above

Question

Quizplus · Accepted Answer

Artificial variables are added to ≥ or = constraints to start the simplex method when there is no obvious initial feasible solution.

An Artificial Variable Has No Physical Interpretation but