Question 1

Find an equivalent expression without parentheses.
--(-8x + 13y - 15z)

Accepted Answer

A)  8x - 13y - 15z 
B)  8x + 13y - 15z 
C)  -8x + 13y - 15z 
D)  8x - 13y + 15z 
A)  8x - 13y - 15z 
B)  8x + 13y - 15z 
C)  -8x + 13y - 15z 
D)  8x - 13y + 15z

Question 2

Find the absolute value.
--9

Accepted Answer

A)  18 
B)  -9 
C)  0 
D)  9 
A)  18 
B)  -9 
C)  0 
D)  9

Question 3

Find the absolute value.
-230

Accepted Answer

A)  -230 
B)  460 
C)  0 
D)  230 
A)  -230 
B)  460 
C)  0 
D)  230

Question 4

Multiply.
-(-1)7

Accepted Answer

A)  -1 
B)  7 
C)  1 
D)  -7 
A)  -1 
B)  7 
C)  1 
D)  -7

Question 5

Determine whether the statement is true or false.
-

Accepted Answer

A) True 
 B)False

Question 6

Divide, if possible.
--52 ÷ 2

Accepted Answer

A)  -36 
B)    
C)  -26 
D)  26 
A)  -36 
B)    
C)  -26 
D)  26

Question 7

Subtract.
-

Accepted Answer

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

Question 8

Divide.
-

Accepted Answer

A)  0 
B)  -6 
C)  -96 
D)  Undefined 
A)  0 
B)  -6 
C)  -96 
D)  Undefined

Question 9

Add. Do not use a number line except as a check.
-6 + -6

Accepted Answer

A)  0 
B)  -6 
C)  6 
D)  12 
A)  0 
B)  -6 
C)  6 
D)  12

Question 10

Translate the phrase to an algebraic expression.
-Seven divided by x

Accepted Answer

A)    
B)  7 + x 
C)  7x 
D)  7 - x 
A)    
B)  7 + x 
C)  7x 
D)  7 - x

Question 11

Solve the problem.
-Company A showed a profit of $66,470 last year, while Company B had a loss of $88,850. Find the difference between these amounts.

Accepted Answer

A)  $22,380 
B)  -$155,320 
C)  $155,320 
D)  -$22,380 
A)  $22,380 
B)  -$155,320 
C)  $155,320 
D)  -$22,380

Question 12

Find the absolute value.
-

Accepted Answer

A)    
B)    
C)  0 
D)    
A)    
B)    
C)  0 
D)

Question 13

Add. Do not use a number line except as a check.
--13 + (-5)

Accepted Answer

A)  -8 
B)  -18 
C)  8 
D)  18 
A)  -8 
B)  -18 
C)  8 
D)  18

Question 14

Evaluate -(-x) for the given value of x.
-x =

Accepted Answer

A)  7 
B)  0 
C)    
D)    
A)  7 
B)  0 
C)    
D)

Question 15

Accepted Answer

A)    
B)    
C)  6(x - 5y + 11) 
D)    
A)    
B)    
C)  6(x - 5y + 11) 
D)

Question 16

Remove parentheses and simplify.
-(3x - 2y + 7) - 2(-3x + 2y - 7)

Accepted Answer

A)  -9x + 6y - 21 
B)  -6x + 4y - 14 
C)  6x - 4y + 14 
D)  9x - 6y + 21 
A)  -9x + 6y - 21 
B)  -6x + 4y - 14 
C)  6x - 4y + 14 
D)  9x - 6y + 21

Question 17

Provide an appropriate response.
-Choose the expression that is equivalent to the following: 6x + 2y

Accepted Answer

A)  8xy 
B)  2(3x + y) 
C)  2(4x + y) 
D)  2(3x + 2y) 
A)  8xy 
B)  2(3x + y) 
C)  2(4x + y) 
D)  2(3x + 2y)

Question 18

Subtract.
--10 - 5

Accepted Answer

A)  15 
B)  -5 
C)  5 
D)  -15 
A)  15 
B)  -5 
C)  5 
D)  -15

Question 19

Convert to decimal notation.
-

Accepted Answer

A)  -4.25 
B)  4.25 
C)  8.5 
D)  12.75 
A)  -4.25 
B)  4.25 
C)  8.5 
D)  12.75

Question 20

Divide, if possible.
--14 ÷ (-7)

Accepted Answer

A)  -2 
B)  -3 
C)  3 
D)  2 
A)  -2 
B)  -3 
C)  3 
D)  2

Find an equivalent expression without parentheses. --(-8x + 13y - 15z)

Find the absolute value. --9

Find the absolute value. -230

Multiply. -(-1)7

Determine whether the statement is true or false. -

Divide, if possible. --52 ÷ 2

Subtract. -

Divide. -

Add. Do not use a number line except as a check. -6 + -6

Translate the phrase to an algebraic expression. -Seven divided by x

Solve the problem. -Company A showed a profit of $66,470 last year, while Company B had a loss of $88,850. Find the difference between these amounts.

Find the absolute value. -

Add. Do not use a number line except as a check. --13 + (-5)

Evaluate -(-x) for the given value of x. -x =

Remove parentheses and simplify. -(3x - 2y + 7) - 2(-3x + 2y - 7)

Provide an appropriate response. -Choose the expression that is equivalent to the following: 6x + 2y

Subtract. --10 - 5

Convert to decimal notation. -

Divide, if possible. --14 ÷ (-7)

Introduction

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Rational Expressions and Equations

Graphs, Functions, and Applications

Systems of Equations

More on Inequalities

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Calculating Means and Medians of Data Sets

Filters

Exam 2: Introduction to Real Numbers and Algebraic Expressions