Question 1

Solve the problem.
-For 2009, the government of Country X collected $ 2.6 trillion in revenues, but spent $ 8.9 trillion. Write the government's budget deficit as a signed number.

Accepted Answer

A)  -$ 11.5 trillion 
B)  $ 11.5 trillion 
C)  $ 6.3 trillion 
D)  -$ 6.3 trillion

Question 2

Write the statement in symbols, using x as the variable, and find the solution by guessing or by using trial and error. All solutions come from the list of integers between -12 and 12 inclusive.
-2 times a number is -6.

Accepted Answer

A)  -3x = -6; 2 
B)  -2x = -6; 3 
C)   = x; 2 
D)  2x = -6; -3

Question 3

Use the commutative or the associative property to complete the statement. State which property is used.
--2 . 4 = 4 .

Accepted Answer

A)  2; associative property 
B)  2; commutative property 
C)  -2; commutative property 
D)  -2; associative property

Question 4

Find the sum.
-2 6 + 2 2 2 + 7 4 + 1 7 8

Accepted Answer

A)  510 
B)  600 
C)  500 
D)  400

Question 5

Write the phrase as a mathematical expression. Use x to represent the number. Combine like terms if possible.
-9 times a number added to -9, added to 6 times the sum of 5 times the number

Accepted Answer

A)  6( 5x + 4) + [ 9x + ( -9)]; 39x + 15 
B)  9x - 9 + 6( 5 + 4x); 33x + 39 
C)  9( -9 + x) + 6( 5x + 4); 39x - 77 
D)  9( -9 + x) + 6( 5 + 4x); 13x - 51

Question 6

Provide an appropriate response.
-The table shows the number of pupils per teacher in selected counties in a certain state.

For which counties are the values not less than 14.7?

Accepted Answer

A)  Addison, Branson, Cumberland, Kendall 
B)  Branson, Dixson, Hendricks, Putnum 
C)  Dixson, Hendricks, Putnum 
D)  Addison, Cumberland, Kendall

Question 7

Find all integer factors of the given number.
-27

Accepted Answer

A)  -27, -9, -3, -1, 1, 3, 9, 27 
B)  -9, -3, -1, 1, 3, 9 
C)  -27, -13, -3, 3, 13, 27 
D)  -27, -9, -3, 3, 9, 27

Question 8

Use order of operations to simplify the expression.
-( -5 - 8) - ( -12 + 18)

Accepted Answer

A)  7 
B)  -3 
C)  -19 
D)  -43

Question 9

Decide whether the statement is an example of the commutative, associative, identity, inverse, or distributive property.
-  = 1

Accepted Answer

A)  Inverse 
B)  Commutative 
C)  Associative 
D)  Identity

Question 10

Find the average of the numbers.
-What is the average of all the odd integers between -11 and 9, inclusive of both?

Accepted Answer

A)  0 
B)  -22 
C)  -11 
D)  -1

Question 11

Answer the question as instructed.
-I n an inequality using > or <, the inequality symbol should point toward the smaller number for the inequality to be true.

Accepted Answer

A) True 
 B)False

Question 12

Write the statement in symbols, using x as the variable, and find the solution by guessing or by using trial and error. All solutions come from the list of integers between -12 and 12 inclusive.
-The quotient of a number and 2 is 4.

Accepted Answer

A)   = 2; 8 
B)   = 2; 4 
C)   = 4; 8 
D)  2x =  ;

Question 13

Decide if the statement is true or false.
--( -13) < -8

Accepted Answer

A) True 
 B)False

Question 14

Select the smaller of the two given numbers.
-,

Accepted Answer

A)  
B)

Question 15

State the phrase as a mathematical expression. Use x to represent the variable.
-A number increased by two

Accepted Answer

A)  2 
B)  x - 2 
C)  x + 2 
D)  2x

Question 16

Choose the one alternative that best completes the statement or answers the question.
--

Accepted Answer

A)   
B)   
C)  3 
D)  - 1

Question 17

Use order of operations to simplify the expression.
--6 -

Accepted Answer

A)  17 
B)  -19 
C)  13 
D)  -23

Exam 2: Linear Equations and Inequalities in One Variable

Solve the problem. -For 2009, the government of Country X collected $ 2.6 trillion in revenues, but spent $ 8.9 trillion. Write the government's budget deficit as a signed number.

Write the statement in symbols, using x as the variable, and find the solution by guessing or by using trial and error. All solutions come from the list of integers between -12 and 12 inclusive. -2 times a number is -6.

Use the commutative or the associative property to complete the statement. State which property is used. --2 . 4 = 4 .

Find the sum. -2 6 + 2 2 2 + 7 4 + 1 7 8

Write the phrase as a mathematical expression. Use x to represent the number. Combine like terms if possible. -9 times a number added to -9, added to 6 times the sum of 5 times the number

Provide an appropriate response. -The table shows the number of pupils per teacher in selected counties in a certain state. For which counties are the values not less than 14.7?

Find all integer factors of the given number. -27

Use order of operations to simplify the expression. -( -5 - 8) - ( -12 + 18)

Decide whether the statement is an example of the commutative, associative, identity, inverse, or distributive property. - = 1

Find the average of the numbers. -What is the average of all the odd integers between -11 and 9, inclusive of both?

Answer the question as instructed. -I n an inequality using > or <, the inequality symbol should point toward the smaller number for the inequality to be true.

Write the statement in symbols, using x as the variable, and find the solution by guessing or by using trial and error. All solutions come from the list of integers between -12 and 12 inclusive. -The quotient of a number and 2 is 4.

Decide if the statement is true or false. --( -13) < -8

Select the smaller of the two given numbers. -,

State the phrase as a mathematical expression. Use x to represent the variable. -A number increased by two

Choose the one alternative that best completes the statement or answers the question. --

Use order of operations to simplify the expression. --6 -