Question 1

Find the opposite (additive inverse) of the number.
-20

Accepted Answer

A)    
B)  -20 
C)  20 
D)  0 
A)    
B)  -20 
C)  20 
D)  0

Question 2

Change the word statement to an equation. Use x as the variable.
-The sum of two-thirds a number and 81 is 48.

Accepted Answer

A)    x - 81 = 48 
B)    x ?81 = 48 
C)    x + 48 = 81 
D)    x + 81 = 48 
A)    x - 81 = 48 
B)    x ?81 = 48 
C)    x + 48 = 81 
D)    x + 81 = 48

Question 3

Evaluate the expression, given x = -2, y = 3, and a = -4.
-( -3a)( 3x + 4y)

Accepted Answer

A)  72 
B)  216 
C)  12 
D)  -72 
A)  72 
B)  216 
C)  12 
D)  -72

Question 4

Give a number that satisfies the given condition.
-A whole number greater than 3.5

Accepted Answer

One exampl

Question 5

Decide whether the problem is an equation or an expression.
-  -   + 4

Accepted Answer

A)  Expression 
B)  Equation 
A)  Expression 
B)  Equation

Question 6

Provide an appropriate response.
-One way to measure a person's cardiofitness is to calculate how many METs, or metabolic units, he or she can reach at peak exertion. One MET is the amount of energy used when sitting quietly. To calculate ideal METs, we can use the expression:
 
Researchers recommend that a person reach approximately 85% of his or her MET when exercising. Calculate 85% of the ideal MET for a 55-yr-old woman. Then refer to the following table. What activity can the woman do that is approximately this value?

Accepted Answer

A)  6.418; Ballroom or square dancing 
B)  7.55; Mowing lawn 
C)  6.418; Skiing 
D)  7.55; Cycling 
A)  6.418; Ballroom or square dancing 
B)  7.55; Mowing lawn 
C)  6.418; Skiing 
D)  7.55; Cycling

Question 7

Solve the problem.
-During one year 30 new employees began work at Daniel's Manufacturing Company and 28 employees left. At the beginning of the year there were 242 employees. What was the number of employees at the end of the year?

Accepted Answer

A)  184 employees 
B)  300 employees 
C)  272 employees 
D)  244 employees 
A)  184 employees 
B)  300 employees 
C)  272 employees 
D)  244 employees

Question 8

Identify the group of terms as like or unlike.
-13z, -6z

Accepted Answer

A)  Unlike 
B)  Like 
A)  Unlike 
B)  Like

Question 9

Find the solution of the equation from the given set.
--7x = -119; {-17, -14, -7, 0, 7, 14, 17}

Accepted Answer

A)  -14 
B)  17 
C)  0 
D)  7 
A)  -14 
B)  17 
C)  0 
D)  7

Question 10

Perform the indicated operations.
-6 . ( -5) + 21 .( -23)

Accepted Answer

A)  -207 
B)  -513 
C)  2208 
D)  207 
A)  -207 
B)  -513 
C)  2208 
D)  207

Question 11

Decide whether the statement is an example of the commutative, associative, identity, inverse, or distributive property.
-4 + 9 = 9 + 4

Accepted Answer

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

Question 12

Provide an appropriate response.
-What property is used to clear parentheses and write 7(x + 8) as 7x + 56?

Accepted Answer

A)  Identity property 
B)  Distributive property 
C)  Associative property 
D)  Commutative property 
A)  Identity property 
B)  Distributive property 
C)  Associative property 
D)  Commutative property

Question 13

Provide an appropriate response.
-The bar graph shows governmental budget outlays for Country X's Department of Defense for the years 2008 through 2011. Use a signed number to represent the change in outlay for (a) 2008 to 2011 and (b) 2009-2011.

Accepted Answer

A)  (a) -6.2 billion dollars, (b) -16.9 billion dollars 
B)  (a) 141.2 billion dollars, (b) 151.9 billion dollars 
C)  (a) 6.2 billion dollars, (b) 16.9 billion dollars 
D)  (a) -28.7 billion dollars, (b) -6.2 billion dollars 
A)  (a) -6.2 billion dollars, (b) -16.9 billion dollars 
B)  (a) 141.2 billion dollars, (b) 151.9 billion dollars 
C)  (a) 6.2 billion dollars, (b) 16.9 billion dollars 
D)  (a) -28.7 billion dollars, (b) -6.2 billion dollars

Question 14

Perform the indicated operation.
--   +

Accepted Answer

A)    
B)  - 2   
C)  -   
D)  2   
A)    
B)  - 2   
C)  -   
D)  2

Question 15

Answer the question or complete the sentence to make a true statement.
-When the absolute value of a positive number equals the absolute value of a negative number, the sum of the positive and the negative number is _______.

Accepted Answer

A)  Not known 
B)  Negative 
C)  Zero 
D)  Positive 
A)  Not known 
B)  Negative 
C)  Zero 
D)  Positive

Question 16

Answer the question as instructed.
-Which of the following is the correct way to evaluate the expression 3 + 7 ? 4?

Accepted Answer

A)  3 + 7 . 4 = 10. 4 = 40 
B)  3 + 7 . 4 = 12 + 28 = 40 
C)  3 + 7 . 4 = 28 + 7 = 19 
D)  3 + 7 . 4 = 3 + 28 = 31 
A)  3 + 7 . 4 = 10. 4 = 40 
B)  3 + 7 . 4 = 12 + 28 = 40 
C)  3 + 7 . 4 = 28 + 7 = 19 
D)  3 + 7 . 4 = 3 + 28 = 31

Question 17

Find all integer factors of the given number.
-130

Accepted Answer

A)  -130, -65, -26, -13, -10, -5, -4, -2, -1, 1, 2, 4, 5, 10, 13, 26, 65, 130 
B)  -130, -65, -13, -10, -5, -2, 2, 5, 10, 13, 65, 130 
C)  -130, -65, -26, -13, -10, -5, -2, -1, 1, 2, 5, 10, 13, 26, 65, 130 
D)  -130, -26, -13, -10, -5, -2, -1, 1, 2, 5, 10, 13, 26, 130 
A)  -130, -65, -26, -13, -10, -5, -4, -2, -1, 1, 2, 4, 5, 10, 13, 26, 65, 130 
B)  -130, -65, -13, -10, -5, -2, 2, 5, 10, 13, 65, 130 
C)  -130, -65, -26, -13, -10, -5, -2, -1, 1, 2, 5, 10, 13, 26, 65, 130 
D)  -130, -26, -13, -10, -5, -2, -1, 1, 2, 5, 10, 13, 26, 130

Question 18

Write a numerical expression for the phrase and simplify it.
-The quotient of -133 and the sum of 13 and 6

Accepted Answer

A)    ; 7 
B)  -133 + 13 + 6; -114 
C)    ; -   
D)    ; -7 
A)    ; 7 
B)  -133 + 13 + 6; -114 
C)    ; -   
D)    ; -7

Question 19

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

Accepted Answer

A)  (x + 2) + 3x; 4x + 2 
B)  4x 
C)  5x 
D)  3x + 2 
A)  (x + 2) + 3x; 4x + 2 
B)  4x 
C)  5x 
D)  3x + 2

Question 20

Simplify the expression.
--3y + 3 - 1 + 5 + y - 7

Accepted Answer

A)  -4y 
B)  -2y - 1 
C)  -4y + 1 
D)  -2y 
A)  -4y 
B)  -2y - 1 
C)  -4y + 1 
D)  -2y

Find the opposite (additive inverse) of the number. -20

Change the word statement to an equation. Use x as the variable. -The sum of two-thirds a number and 81 is 48.

Evaluate the expression, given x = -2, y = 3, and a = -4. -( -3a)( 3x + 4y)

Give a number that satisfies the given condition. -A whole number greater than 3.5

Decide whether the problem is an equation or an expression. - - + 4

Solve the problem. -During one year 30 new employees began work at Daniel's Manufacturing Company and 28 employees left. At the beginning of the year there were 242 employees. What was the number of employees at the end of the year?

Identify the group of terms as like or unlike. -13z, -6z

Find the solution of the equation from the given set. --7x = -119; {-17, -14, -7, 0, 7, 14, 17}

Perform the indicated operations. -6 . ( -5) + 21 .( -23)

Decide whether the statement is an example of the commutative, associative, identity, inverse, or distributive property. -4 + 9 = 9 + 4

Provide an appropriate response. -What property is used to clear parentheses and write 7(x + 8) as 7x + 56?

Provide an appropriate response. -The bar graph shows governmental budget outlays for Country X's Department of Defense for the years 2008 through 2011. Use a signed number to represent the change in outlay for (a) 2008 to 2011 and (b) 2009-2011.

Perform the indicated operation. -- +

Answer the question or complete the sentence to make a true statement. -When the absolute value of a positive number equals the absolute value of a negative number, the sum of the positive and the negative number is _______.

Answer the question as instructed. -Which of the following is the correct way to evaluate the expression 3 + 7 ? 4?

Find all integer factors of the given number. -130

Write a numerical expression for the phrase and simplify it. -The quotient of -133 and the sum of 13 and 6

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

Simplify the expression. --3y + 3 - 1 + 5 + y - 7

The Real Number System

Linear Equations and Inequalities in Two Variables; Functions

Systems of Linear Equations and Inequalities

Exponents and Polynomials

Factoring and Applications

Rational Expressions and Applications

Roots and Radicals

Quadratic Equations

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Exam 2: Linear Equations and Inequalities in One Variable