Question 1

Subtract.
-9 - (-12)

Accepted Answer

A)  21 
B)  -3 
C)  3 
D)  -21 
A)  21 
B)  -3 
C)  3 
D)  -21

Question 2

Subtract.
-

Accepted Answer

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

Question 3

Rewrite the division as a multiplication.
-

Accepted Answer

A)    
B)  5 · a 
C)    
D)    
A)    
B)  5 · a 
C)    
D)

Question 4

Evaluate the expression for the given value of x.
-

Accepted Answer

A)  -64 
B)  64 
C)  256 
D)  -256 
A)  -64 
B)  64 
C)  256 
D)  -256

Question 5

Simplify.
-

Accepted Answer

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

Question 6

Solve the problem.
-The temperature at the South pole was -10° at 8 am. At 3 pm, it was 22°. By how many degrees did the temperature rise?

Accepted Answer

A)  -32° 
B)  -12° 
C)  32° 
D)  12° 
A)  -32° 
B)  -12° 
C)  32° 
D)  12°

Question 7

Insert  to write a true statement.
-

Accepted Answer

A)    
B)    
A)    
B)

Question 8

Convert to decimal notation.
-

Accepted Answer

A)  0.6875 
B)  0.411 
C)  2.0625 
D)  1.375 
A)  0.6875 
B)  0.411 
C)  2.0625 
D)  1.375

Question 9

Determine whether the statement is true or false.
-12 < 6

Accepted Answer

A) True 
 B)False

Question 10

Write an equivalent expression. Use a commutative law.
-3 + xy

Accepted Answer

A)  xy + 3, or 3 + yx 
B)  3xy, or 3yx 
C)  3 + x + y 
D)  3(1 + xy) 
A)  xy + 3, or 3 + yx 
B)  3xy, or 3yx 
C)  3 + x + y 
D)  3(1 + xy)

Question 11

Solve the problem.
-John earns $9.52/hour. If he works 17 hours, how much will he earn?

Accepted Answer

A)  $162.94 
B)  $161.84 
C)  $161.85 
D)  $161.94 
A)  $162.94 
B)  $161.84 
C)  $161.85 
D)  $161.94

Question 12

Add. Do not use a number line except as a check.
--5.6 + (-1.3) + 10.5

Accepted Answer

A)  6.2 
B)  -3.6 
C)  -17.4 
D)  3.6 
A)  6.2 
B)  -3.6 
C)  -17.4 
D)  3.6

Question 13

Evaluate -(-x) for the given value of x.
-x = -0.108

Accepted Answer

A)  -0.108 
B)  -1 
C)  0 
D)  0.108 
A)  -0.108 
B)  -1 
C)  0 
D)  0.108

Question 14

Translate the phrase to an algebraic expression.
-Three less than x

Accepted Answer

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

Question 15

7(ab)

Accepted Answer

A)  7(ba) 
B)  a(7b) 
C)  (7a)b 
D)  7a + 7b 
A)  7(ba) 
B)  a(7b) 
C)  (7a)b 
D)  7a + 7b

Question 16

a + (b + 5)

Accepted Answer

A)  a(b + 5) 
B)  + 5 
C)  (b + 5) + a 
D)  a + (5 +
B)  
A)  a(b + 5) 
B)  + 5 
C)  (b + 5) + a 
D)  a + (5 +
B)

Question 17

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

Accepted Answer

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

Question 18

Solve the problem.
-The ocean surface is at 0 ft elevation. A diver is underwater at an elevation of -175 ft near a rock formation. In this area, the ocean floor has an elevation of -296 ft. The rock formation rises to a peak 222 ft above the ocean
Floor. How many feet below the top of the rock formation is the diver?

Accepted Answer

A)  121 ft 
B)  101 ft 
C)  74 ft 
D)  47 ft 
A)  121 ft 
B)  101 ft 
C)  74 ft 
D)  47 ft

Question 19

7x - 42y

Accepted Answer

A)  7(x - 42y) 
B)  7(x - 6y) 
C)  7(x - y) 
D)  6(7x - 7y) 
A)  7(x - 42y) 
B)  7(x - 6y) 
C)  7(x - y) 
D)  6(7x - 7y)

Question 20

Translate the phrase to an algebraic expression.
-Twice x

Accepted Answer

A)  3x 
B)  3 + x 
C)  2x 
D)  2 + x 
A)  3x 
B)  3 + x 
C)  2x 
D)  2 + x

Subtract. -9 - (-12)

Subtract. -

Rewrite the division as a multiplication. -

Evaluate the expression for the given value of x. -

Simplify. -

Solve the problem. -The temperature at the South pole was -10° at 8 am. At 3 pm, it was 22°. By how many degrees did the temperature rise?

Insert < or > to write a true statement. -

Convert to decimal notation. -

Determine whether the statement is true or false. -12 < 6

Write an equivalent expression. Use a commutative law. -3 + xy

Solve the problem. -John earns $9.52/hour. If he works 17 hours, how much will he earn?

Add. Do not use a number line except as a check. --5.6 + (-1.3) + 10.5

Evaluate -(-x) for the given value of x. -x = -0.108

Translate the phrase to an algebraic expression. -Three less than x

7(ab)

a + (b + 5)

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

7x - 42y

Translate the phrase to an algebraic expression. -Twice x

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

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Exam 2: Introduction to Real Numbers and Algebraic Expressions

Subtract. -9 - (-12)

Subtract. -

Rewrite the division as a multiplication. -

Evaluate the expression for the given value of x. -

Simplify. -

Solve the problem. -The temperature at the South pole was -10° at 8 am. At 3 pm, it was 22°. By how many degrees did the temperature rise?

Insert < or > to write a true statement. -

Convert to decimal notation. -

Determine whether the statement is true or false. -12 < 6

Write an equivalent expression. Use a commutative law. -3 + xy

Solve the problem. -John earns $9.52/hour. If he works 17 hours, how much will he earn?

Add. Do not use a number line except as a check. --5.6 + (-1.3) + 10.5

Evaluate -(-x) for the given value of x. -x = -0.108

Translate the phrase to an algebraic expression. -Three less than x

7(ab)

a + (b + 5)

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

7x - 42y

Translate the phrase to an algebraic expression. -Twice x

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