Question: Please answer all problems. QUESTION 1 The auxiliary problem (Phase I LP) is always feasible. True False QUESTION 2 Phase 2 of the two-phase simplex

Please answer all problems.

Please answer all problems. QUESTION 1 The

QUESTION 1 The auxiliary problem (Phase I LP) is always feasible. True False QUESTION 2 Phase 2 of the two-phase simplex method is only performed if the LP is feasible. True False QUESTION 3 The two-phase simplex method and the big-M method are needed to address issues with selecting the entering variable. the ratio test initialization. termination QUESTION 4 Upon termination of the big-M method we know that the original LP is optimal if all artificial variables are equal to zero in the optimal solution to the big-M problem. all artificial variables are positive in the optimal solution to the big-M problem. at least one artificial variable is positive in the optimal solution to the big-M problem. O the big-M problem is unbounded. QUESTION 5 Phase 1 of the two-phase simplex method determines whether the LP is feasible. the LP has an unbounded feasible region. the LP is optimal. the LP is unbounded

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