1-The objective function equation in "standardized" form is written as *

None of the answers.

z - 4x1 + 6x2 - 8x3 = 0

z + 4x1 - 6x2 - 8x3 = 0

z - 4x1 - 6x2 - 8x3 = 0

z - 4x1 - 6x2 + 8x3 = 0

2-Add/Subtract a slack/surplus variable to the 1st constraint *

3x1 + 2x2 + 5x3 - S1 30

3x1 + 2x2 + 5x3 - S1 = 30

None of the answers.

3x1 + 2x2 + 5x3 + S1 30

3x1 + 2x2 + 5x3 + S1 = 30

3-Add/Subtract a slack/surplus variable to the 2nd constraint *

9x1 + 2x2 + 7x3 + S2 = 126

9x1 + 2x2 + 7x3 - S2 126

9x1 + 2x2 + 7x3 + S2 126

9x1 + 2x2 + 7x3 - S2 = 126

None of the answers.

4-Add/Subtract a slack/surplus variable to the 3rd constraint *

2x1 + 3x2 + x3 + S3 = 60

None of the answers.

2x1 + 3x2 + x3 + S3 60

2x1 + 3x2 + x3 - S3= 60

2x1 + 3x2 + x3 - S3 60

5-_____ is the "1st entering variable" since it has the ________ which is equal to __________ *

X3; most negative coefficient; -8

X3; most positive coefficient; -8

X3; minimum positive ratio; 8

None of the answers.

X3; minimum positive coefficient; 8

6-__________ is the "1st leaving variable" since it has the/a _________. *

None of the answers.

S3; minimum positive ratio

S1; minimum positive ratio

S2; minimum positive ratio

S2; minimum negative ratio

7-The first pivot element is the intersection of the _________________ &_____________ it's equal to _________. *

Pivot column; pivot row; 7

Pivot column; z-row; 4.25

Pivot column; z-row; 4

Pivot column; pivot row; 5

None of the answers.

8-The "new pivot row" of the first iteration is written as: *

(06, 0.4, 1, 0.20, 0, 0, 6)

(0.6, 0.4, 1, 020, 0, 0, 6)

(0.6, 04, 1, 0.20, 0, 0, 6)

None of the answers.

(0.6, 0.4, 1, 0.20, 0, 0, 6)

9-The "New Z-row" of the first iteration is written as: *

(0.8, -2.80, 0, 160, 0, 0, 48)

None of the answers.

(0.8, 2.80, 0, 1.60, 0, 0, 48)

(0.8, -2.80, 0, 1.60, 0, 0, 48)

(0.8, -280, 0, 1.60, 0, 0, 48)

10-The values of the "2nd basic" variable in the first iteration, is written as: *

(4.80, 0.80, 0, -1.40, 1, 0, 84)

(4.80, -080, 0, -1.40, 1, 0, 84)

None of the answers.

(4.80, -0.80, 0, -1.40, 1, 0, 84)

(4.80, -0.80, 0, 1.40, 1, 0, 84)

11-The values of the "3rd basic" variable in the first iteration, is written as: *

(1.40, 2.60, 0, 0.20, 0, 1, 54)

(1.40, 2.60, 0, -0.20, 0, 1, 54)

(1.40, 2.60, 0, -020, 0, 1, 54)

None of the answers.

(1.40, -2.60, 0, -0.20, 0, 1, 54)

12-The 2nd entering variable is ______ with a coefficient of______. *

X1; -6

X1; -4.86

X2; -2.80

None of the answers.

X3; 6.29

13-The 2nd leaving variable is *

S2

None of the answers.

X3

S1

S3

14-The pivot element of the 2nd iteration is *

None of the answers.

0.40

1.71

1.57

-0.43

15-The "new pivot row" of the 2nd iteration is written as: *

(1.57, 0, 2.86, 0, 0.43, 1, 0.6)

(1.57, 0, -2.86, 0, 0.43, 1, 0.6)

None of the answers.

(1, 0, 0.35, 0.21, -0.03, 0, 2.47)

(1.57, 0, 2.86, 0, -0.43, 1, 0.6)

16-The "New Z-row" of the 2nd iteration is written as: *

(5, 0, -7, 3, 0, 0, 90)

None of the answers.

(5, 0, 7, 3, 0, 0, 9.0)

(5, 0, 7, 3, 0, 0, 90)

(5, 0, 7, -3, 0, 0, 90)

17-The values of the "second basic" variable in the 2nd iteration, is written as: *

(6, 0, 2, -1, 1, 0, 96)

(6, 0, 2, -1, -1, 0, 96)

(6, 0, 2, 1, -1, 0, 96)

None of the answers.

(6, 0, 2, 1, 1, 0, 96)

18-The values of the "3rd basic" variable in the 2nd iteration, is written as: *

(-2.50, 0, -6.50, 1.50, 0, 1, 15)

(-2.50, 0, 6.50, 1.50, 0, 1, 15)

None of the answers.

(-2.50, 0, 6.50, -1.50, 0, 1, 15)

(-2.50, 0, -6.50, -1.50, 0, 1, 15)

19-The optimal value of "z" is: *

minimum z = 90

None of the answers.

maximum z = 48

minimum z = 48

maximum z = 90

20-The optimal value of "X1" is: *

54

None of the answers.

0

15

96

21-The optimal value of "X2" is: *

15

54

None of the answers.

96

0

22-The optimal value of "X3" is: *

0

6

54

None of the answers.

84

23-The optimal value of z in terms of D1, D2, & D3 (Changes in the RHS) is written as: *

z = 90 + 3D2

z = 90 + 3D1

None of the answers.

z = 9 + 3D1

z = 90 + 3D3

24-A unit increase in D1, D2, & D3 will result in a/an ________ in z by ------------- respectively. *

increase; 3, 0, & 0

None of the answers.

decrease; 1, 0, & 0

decrease; 0, 1, & 1

increase; 0, 1, & 0

25-The optimal value of X2 in terms of D1, D2, & D3 (Changes in the RHS) is written as: *

None of the answers.

X2= 15 + 0.5D1

X2= 15 - 0.5D1

X2= 15 + 0.5D3

X2= 15 + 0.5D2

Maximize z= 4x1 + 6x2 + 8x3 Subject to 3x1 + 2x2 + 5x3 = 30 9x1 + 2x2 + 7x3 5 126 2x1 + 3x2 + x3 = 60 Xi 20