Question 1

Graph the system of linear inequalities. Tell whether the graph is bounded or unbounded, and label the corner
points.
-

Accepted Answer

A) bounded; 
B) unbounded; corner points (3, 0), (0, 3),(0, 1), (1, 0)corner points (0, 0), (0, 1), (1, 0)     
C) unbounded; 
D) no solution corner points (3, 0), (0, 3)     
A) bounded; 
B) unbounded; corner points (3, 0), (0, 3),(0, 1), (1, 0)corner points (0, 0), (0, 1), (1, 0)     
C) unbounded; 
D) no solution corner points (3, 0), (0, 3)     A

Question 2

Find the value of the determinant.
-

Accepted Answer

A) 16 
B) 170 
C) -16 
D) -34 
A) 16 
B) 170 
C) -16 
D) -34 A

Question 3

Graph the inequality.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)    A

Question 4

Perform the row operation(s)on the given augmented matrix.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 5

Write the partial fraction decomposition of the rational expression.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 6

Write the system of equations associated with the augmented matrix. Do not solve.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 7

Graph the system of inequalities.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 8

Solve the system of equations using Cramerʹs Rule if it is applicable. If Cramerʹs Rule is not applicable, say so.
-

Accepted Answer

A) x = 8, y = 6; (8, 6) 
B) x = 6, y = 8; (6, 8) 
C) x = -6, y = 8; (-6, 8) 
D) x = -8, y = -6; (-8, -6) 
A) x = 8, y = 6; (8, 6) 
B) x = 6, y = 8; (6, 8) 
C) x = -6, y = 8; (-6, 8) 
D) x = -8, y = -6; (-8, -6)

Question 9

Solve the system of equations.
-

Accepted Answer

A) x = 4, y = -4, z = 1; (4, -4, 1) 
B) x = 1, y = 4, z = -4; (1, 4, -4) 
C) x = 1, y = -4, z = 4; (1, -4, 4) 
D) inconsistent 
A) x = 4, y = -4, z = 1; (4, -4, 1) 
B) x = 1, y = 4, z = -4; (1, 4, -4) 
C) x = 1, y = -4, z = 4; (1, -4, 4) 
D) inconsistent

Question 10

Solve the system of equations by elimination.
-

Accepted Answer

A) x = 3, y = 8; (3, 8) 
B) x = 3, y = 9; (3, 9) 
C) x = 2, y = 8; (2, 8) 
D) x = 2, y = 9; (2, 9) 
A) x = 3, y = 8; (3, 8) 
B) x = 3, y = 9; (3, 9) 
C) x = 2, y = 8; (2, 8) 
D) x = 2, y = 9; (2, 9)

Question 11

Perform the row operation(s)on the given augmented matrix.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 12

Solve the system of equations using matrices (row operations). If the system has no solution, say that it is
inconsistent.
-

Accepted Answer

A) x = -3, y = 5; (-3, 5) 
B) x = 5, y = -3; (5, -3) 
C) x = -3, y = -5; (-3, -5) 
D) inconsistent 
A) x = -3, y = 5; (-3, 5) 
B) x = 5, y = -3; (5, -3) 
C) x = -3, y = -5; (-3, -5) 
D) inconsistent

Question 13

Graph the system of inequalities.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 14

Write the partial fraction decomposition of the rational expression.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 15

Graph the system of inequalities.
-

Accepted Answer

A)    
B)    
C)    
D) No   solution 
A)    
B)    
C)    
D) No   solution

Question 16

Use the given matrices to compute the given expression.
-Let C   Find C - 4D.

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 17

Solve the system of equations using substitution.
-

Accepted Answer

A) x = -4, y = -5; x = 5, y = 4 or (-4, -5), (5, 4) 
B) x = 4, y = -5; x = 5, y = -4 or (4, -5), (5, -4) 
C) x = -4, y = 5; x = -5, y = 4 or (-4, 5), (-5, 4) 
D) x = 4, y = 5; x = 5, y = 4 or (4, 5), (5, 4) 
A) x = -4, y = -5; x = 5, y = 4 or (-4, -5), (5, 4) 
B) x = 4, y = -5; x = 5, y = -4 or (4, -5), (5, -4) 
C) x = -4, y = 5; x = -5, y = 4 or (-4, 5), (-5, 4) 
D) x = 4, y = 5; x = 5, y = 4 or (4, 5), (5, 4)

Question 18

Write the system of equations associated with the augmented matrix. Do not solve.
-

Accepted Answer

A)    
B)    
C)    
A)    
B)    
C)

Question 19

Graph the system of inequalities.
-

Accepted Answer

A)    
B)    
C)    
D) No   solution 
A)    
B)    
C)    
D) No   solution

Question 20

Tell whether the given rational expression is proper or improper. If improper, rewrite it as the sum of a polynomial
and a proper rational expression.
-

Accepted Answer

A) improper;   
B) proper 
C) improper;   
D) improper;   
A) improper;   
B) proper 
C) improper;   
D) improper;

Graph the system of linear inequalities. Tell whether the graph is bounded or unbounded, and label the corner points. -

Find the value of the determinant. -

Graph the inequality. -

Perform the row operation(s)on the given augmented matrix. -

Write the partial fraction decomposition of the rational expression. - $Write the partial fraction decomposition of the rational expression. -$

Write the system of equations associated with the augmented matrix. Do not solve. -

Graph the system of inequalities. -

Solve the system of equations using Cramerʹs Rule if it is applicable. If Cramerʹs Rule is not applicable, say so. -

Solve the system of equations. -

Solve the system of equations by elimination. -

Perform the row operation(s)on the given augmented matrix. -

Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent. -

Graph the system of inequalities. -

Write the partial fraction decomposition of the rational expression. - $Write the partial fraction decomposition of the rational expression. -$

Graph the system of inequalities. -

Use the given matrices to compute the given expression. -Let C Find C - 4D.

Solve the system of equations using substitution. -

Write the system of equations associated with the augmented matrix. Do not solve. -

Graph the system of inequalities. -

Tell whether the given rational expression is proper or improper. If improper, rewrite it as the sum of a polynomial and a proper rational expression. -

Equations and Inequalities

Graphs

Functions and Their Graphs

Linear and Quadratic Functions

Polynomial and Rational Functions

Exponential and Logarithmic Functions

Analytic Geometry

Sequences; Induction; the Binomial Theorem

Counting and Probability

Graphing Utilities

Filters

Exam 8: Systems of Equations and Inequalities

Graph the system of linear inequalities. Tell whether the graph is bounded or unbounded, and label the corner points. -

Find the value of the determinant. -

Graph the inequality. -

Perform the row operation(s)on the given augmented matrix. -

Write the partial fraction decomposition of the rational expression. -

Write the system of equations associated with the augmented matrix. Do not solve. -

Graph the system of inequalities. -

Solve the system of equations using Cramerʹs Rule if it is applicable. If Cramerʹs Rule is not applicable, say so. -

Solve the system of equations. -

Solve the system of equations by elimination. -

Perform the row operation(s)on the given augmented matrix. -

Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent. -

Graph the system of inequalities. -

Write the partial fraction decomposition of the rational expression. -

Graph the system of inequalities. -

Use the given matrices to compute the given expression. -Let C Find C - 4D.

Solve the system of equations using substitution. -

Write the system of equations associated with the augmented matrix. Do not solve. -

Graph the system of inequalities. -

Tell whether the given rational expression is proper or improper. If improper, rewrite it as the sum of a polynomial and a proper rational expression. -

Equations and Inequalities

Graphs

Functions and Their Graphs

Linear and Quadratic Functions

Polynomial and Rational Functions

Exponential and Logarithmic Functions

Analytic Geometry

Sequences; Induction; the Binomial Theorem

Counting and Probability

Graphing Utilities

Filters

Write the partial fraction decomposition of the rational expression. - $Write the partial fraction decomposition of the rational expression. -$

Write the partial fraction decomposition of the rational expression. - $Write the partial fraction decomposition of the rational expression. -$