Nine Exercises
Identifying PIVOT COLUMNS

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Nine SIMPLEX TABLEAUS are shown. Remember that the pivot column is the column containing the most negative indicator; occasionally there is a tie for most negative indicator, in which case: flip a coin. If there is no negative indicator, either the tableau is a FINAL TABLEAU or the problem has NO SOLUTION. Exercises and help in finding the indicator row are available.

 [1] Click on the button below which names the pivot column. If the tableau has no pivot column, click on the UNDEFINED button.

Name the pivot column

 [2] Click on the button below which names the pivot column. If the tableau has no pivot column, click on the UNDEFINED button.

Name the pivot column

 [3] Click on the button below which names the pivot column. If the tableau has no pivot column, click on the UNDEFINED button.

Name the pivot column

 [4] Click on the button below which names the pivot column. If the tableau has no pivot column, click on the UNDEFINED button.

Name the pivot column

 No next step

 [5] Click on the button below which names the pivot column. If the tableau has no pivot column, click on the UNDEFINED button.

Name the pivot column

 [6] Click on the button below which names the pivot column. If the tableau has no pivot column, click on the UNDEFINED button.

Name the pivot column

 No next step

 [7] Click on the button below which names the pivot column. If the tableau has no pivot column, click on the UNDEFINED button.

Name the pivot column

 [8] Click on the button below which names the pivot column. If the tableau has no pivot column, click on the UNDEFINED button.

Name the pivot column