# The purpose of the ratio test is

**Question 1 **

The purpose of the ratio test is to

Ratio Test | |

Slack Variable | |

Surplus Variable | |

Real Decision Variables | |

Basic Variables |

A. | Determines variable to exit next tableau |

B. | Solution variables of the problem |

C. | Associated with less than or equal to constraints |

D. | Associated with greater than or equal to constraints |

E. | Have values other than zero |

25 points

**Question 8 **

Refer to the LP model and solution shown in figure 6 on page 242. The following statement is true:

[removed] | 1. | The optimum profit is 350 |

[removed] | 2. | The value for L is 25 |

[removed] | 3. | One of the resources uses exactly 125 units |

[removed] | 4. | All of the above |

[removed] | 5. | None of the above |

10 points

**Question 9 **

Refer to the tableau on page 215 of text (table 75). Assume that this is a tableau for a maximization problem. For the tableau to be optimal, what should the values be for c1, c2 and b

[removed] | 1. | c1=-2, c2=1 and b=6 |

[removed] | 2. | c1 = 4, c2 = 3, and b = 6 |

[removed] | 3. | C1 = 3, C2 = 6, b = -1 |

[removed] | 4. | All of the above |

[removed] | 5. | None of the above |

10 points

**Question 10 **

Which of the following is not required for all linear programming problems?

[removed] | 1. | There must be an objective function to be maximized or minimized |

[removed] | 2. | The variables may only assume continuous values that are greater than or equal to zero |

[removed] | 3. | The constraints and objective function must be linear |

[removed] | 4. | The number of constraints must be less than or equal to the number of variables |

[removed] | 5. | All of the above are required |

5 points

**Question 11 **

Which of the following is true in the standard form of a linear programming problem?

[removed] | 1. | Each constraint is expressed as an equality |

[removed] | 2. | There will be the same number of variables as constraints |

[removed] | 3. | Redundant constraints will have to be removed |

[removed] | 4. | All of the above is true |

[removed] | 5. | None of the above is true |

5 points

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