Question 1

Employ the following supply and demand equations.

Write a system of linear inequalities corresponding to the producer surplus.

Accepted Answer

A)  P ? 122 - 0.05x; P ? 83; x ? 0 
B)  P ? 122 - 0.05x; P ? 83 
C)  P ? 52 + 0.04x; P ? 83; x ? 0 
D)  P ? 52 + 0.04x; P ? 83; x ? 0

Question 2

Employ the following supply and demand equations.
  
Write a system of linear inequalities corresponding to the consumer surplus.

Accepted Answer

The answer of Employ the following supply and demand equations.
...

Question 3

Solve the system of linear equations by graphing the following equations.
4x - 3y = 7
2x - 6y = 26

Accepted Answer

A)  (-2, -5) 
B)  (-5, -2) 
C)  (5, -2) 
D)  (-2, 5)

Question 4

Graph the linear inequality.

Accepted Answer

The answer of Graph the linear inequality.
 ...

Question 5

Solve the system of linear equations by substitution.
7t - 2u = 39
2t + 6u = -48

Accepted Answer

The answer of Solve the system of linear equations by...

Question 6

Graph the system of inequalities.

Accepted Answer

The answer of Graph the system of inequalities.
 ...

Question 7

Graph the system of inequalities.

Accepted Answer

The answer of Graph the system of inequalities.
 ...

Question 8

Match the graph to the linear inequality.

Accepted Answer

A)   
B)   
C)   
D)

Question 9

Write the form of the partial fraction decomposition for the given rational expression. Do not solve for the constants.

Accepted Answer

The answer of Write the form of the partial fraction...

Question 10

Graph the system of inequalities.

Accepted Answer

The answer of Graph the system of inequalities.
 ...

Question 11

Solve the system of linear equations by elimination.

Accepted Answer

The answer of Solve the system of linear equations by...

Question 12

Write the form of the partial fraction decomposition for the given rational expression. Do not solve for the constants.

Accepted Answer

The answer of Write the form of the partial fraction...

Question 13

Select the form of the partial fraction decomposition for the given rational expression. Do not solve for the constants.

Accepted Answer

A)   
B)   
C)   
D)

Question 14

Find the solution to the system of inequalities.
2x + 4y < 7
4y ≥ 15 - 2x

Accepted Answer

The answer of Find the solution to the system of...

Question 15

Solve the system of linear equations by substitution.

Accepted Answer

The answer of Solve the system of linear equations by...

Question 16

Solve the system of equations.

Accepted Answer

The answer of Solve the system of equations.
 ...

Question 17

Select the form of the partial fraction decomposition for the given rational expression. Do not solve for the constants.

Accepted Answer

A)   
B)   
C)   
D)

Question 18

Solve the system of linear equations for k, m, and n.
4k + 3m - 3n = 10
5k - 5m - 2n = 30
3k - 2m - 8n = 49

Accepted Answer

A)  (1, -3, -5) 
B)  (1, 3, -5) 
C)  (-5, -3, 1) 
D)  (-5, 3, 1)

Question 19

Starbucks Coffee sells its House Blend for $9.52 per pound and its Sumatra coffee for $11.18 per pound. How many pounds of each type of coffee did a Starbucks outlet sell in one day if the total number of pounds sold was 60 and the day's receipts totaled $637.60? Let h represent the number of pounds of House Blend and s the number of pounds of Sumatra sold. Round your answer to the nearest pound.

Accepted Answer

A)  h = 40 pounds, s = 20 pounds 
B)  h = 20 pounds, s = 40 pounds 
C)  h = 55 pounds, s = 5 pounds 
D)  h = 5 pounds, s = 55 pounds

Question 20

Maximize z = 9x + 5y

Accepted Answer

A)  74 
B)  20 
C)  62 
D)  32

Exam 6: Systems of Linear Equations and Inequalities

Employ the following supply and demand equations. Write a system of linear inequalities corresponding to the producer surplus.

Employ the following supply and demand equations. Write a system of linear inequalities corresponding to the consumer surplus.

Solve the system of linear equations by graphing the following equations. 4x - 3y = 7 2x - 6y = 26

Graph the linear inequality.

Solve the system of linear equations by substitution. 7t - 2u = 39 2t + 6u = -48

Graph the system of inequalities.

Graph the system of inequalities.

Match the graph to the linear inequality.

Write the form of the partial fraction decomposition for the given rational expression. Do not solve for the constants. $Write the form of the partial fraction decomposition for the given rational expression. Do not solve for the constants.$

Graph the system of inequalities.

Solve the system of linear equations by elimination.

Write the form of the partial fraction decomposition for the given rational expression. Do not solve for the constants. $Write the form of the partial fraction decomposition for the given rational expression. Do not solve for the constants.$

Select the form of the partial fraction decomposition for the given rational expression. Do not solve for the constants. $Select the form of the partial fraction decomposition for the given rational expression. Do not solve for the constants. A) B) C) D)$

Find the solution to the system of inequalities. 2x + 4y < 7 4y ≥ 15 - 2x

Solve the system of linear equations by substitution.

Solve the system of equations.

Select the form of the partial fraction decomposition for the given rational expression. Do not solve for the constants. $Select the form of the partial fraction decomposition for the given rational expression. Do not solve for the constants. A) B) C) D)$

Solve the system of linear equations for k, m, and n. 4k + 3m - 3n = 10 5k - 5m - 2n = 30 3k - 2m - 8n = 49

Maximize z = 9x + 5y