Question 1

Choose the number that is a solution of the inequality.
--3n - 3  4n + 2

Accepted Answer

A)  7 
B)  6 
C)  8 
D)  5

Question 2

Solve.
-

Accepted Answer

A)  {-1} 
B)  2 
C)   
D)

Question 3

Solve the absolute value inequality. Write the solution set using interval notation.
-

Accepted Answer

A)   
B)   
C)   
D)  [-19, 19]

Question 4

Solve.
-1.2x - 3  0.7x + 15.5

Accepted Answer

A)   
B)   
C)   
D)

Question 5

Graph the inequality on a plane.
-

Accepted Answer

A)   
B)   
C)   
D)

Question 6

Solve the absolute value inequality. Write the solution set using interval notation.
-

Accepted Answer

A)   
B)   
C)   
D)

Question 7

Solve.
-Suppose that the sales of a particular brand of appliance satisfy the relationship S(x) = 110x + 1400, where S(x) represents the number of sales in year x, with x = 0 corresponding to 1990. For what years will sales be between
1620 and 1950?

Accepted Answer

A)  Between 1992 and 1994 
B)  Between 1992 and 1995 
C)  Between 3 and 6 
D)  Between 1991 and 1994

Question 8

Solve.
-2x + 4  6 or 6x - 2  16

Accepted Answer

A)   
B)  [1, 3] 
C)   
D)

Question 9

Graph the system of inequalities, and find the coordinates of the vertices.
-

Accepted Answer

A)   
B)   
C)   
D)

Question 10

Graph the system of inequalities, and find the coordinates of the vertices.
-

Accepted Answer

A)   
B)   
C)   
D)

Question 11

Solve.
-

Accepted Answer

A)  {-4, 8} 
B)   
C)  {4, -8} 
D)  {4}

Question 12

Solve and graph.
-9x - 6 < 3x or -2x  6

Accepted Answer

A)   
B)   
C)   
D)

Question 13

Solve.
-

Accepted Answer

A)  {3, -3} 
B)  {-3} 
C)  {3} 
D)

Question 14

Solve.
-

Accepted Answer

A)   
B)   
C)   
D)

Question 15

Choose the number that is a solution of the inequality.
-f - 12 < -4

Accepted Answer

A)  10 
B)  7 
C)  8 
D)  11

Question 16

Solve.
-1 - 4x  8 or 1 - 4x < 4

Accepted Answer

A)   
B)   
C)   
D)

Question 17

Solve.
-Body mass index is given by the formula  . Mary's height is 62 in. What weights W will allow Mary to keep her body mass index I between 18.5 and 25?

Accepted Answer

A)   
B)   
C)   
D)

Question 18

Simplify.
-

Accepted Answer

A)  -3x 
B)   
C)  3x 
D)

Question 19

Find the distance between the points on a number line.
-1, -5

Accepted Answer

A)  -4 
B)  4 
C)  6 
D)  -6

Question 20

Find the indicated intersection or union.
-{q, s, u, v, w, x, y, z}  {q, s, y, z}

Accepted Answer

A)  {q, s, u, v, w, y} 
B)  {s, u, v, w, x, z} 
C)  {v, x} 
D)  {q, s, y, z}

Exam 10: More on Inequalities

Choose the number that is a solution of the inequality. --3n - 3 4n + 2

Solve. -

Solve the absolute value inequality. Write the solution set using interval notation. -

Solve. -1.2x - 3 0.7x + 15.5

Graph the inequality on a plane. -

Solve the absolute value inequality. Write the solution set using interval notation. -

Solve. -Suppose that the sales of a particular brand of appliance satisfy the relationship S(x) = 110x + 1400, where S(x) represents the number of sales in year x, with x = 0 corresponding to 1990. For what years will sales be between 1620 and 1950?

Solve. -2x + 4 6 or 6x - 2 16

Graph the system of inequalities, and find the coordinates of the vertices. -

Graph the system of inequalities, and find the coordinates of the vertices. -

Solve. -

Solve and graph. -9x - 6 < 3x or -2x 6

Solve. -

Solve. -

Choose the number that is a solution of the inequality. -f - 12 < -4

Solve. -1 - 4x 8 or 1 - 4x < 4

Solve. -Body mass index is given by the formula . Mary's height is 62 in. What weights W will allow Mary to keep her body mass index I between 18.5 and 25?

Simplify. -

Find the distance between the points on a number line. -1, -5

Find the indicated intersection or union. -{q, s, u, v, w, x, y, z} {q, s, y, z}