Question 1

Write an inequality with the same meaning.
-y > 21

Accepted Answer

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

Question 2

State the real number that corresponds to the situation.
-One country exported $70,800,000 less than it imported, giving it a negative trade balance.

Accepted Answer

A)  -70,800,000 
B)  70,800,000 
A)  -70,800,000 
B)  70,800,000

Question 3

Multiply.
--16 · (-6)

Accepted Answer

A)  96 
B)  102 
C)  112 
D)  -112 
A)  96 
B)  102 
C)  112 
D)  -112

Question 4

Add. Do not use a number line except as a check.
-9 + (-1)

Accepted Answer

A)  10 
B)  8 
C)  -8 
D)  -10 
A)  10 
B)  8 
C)  -8 
D)  -10

Question 5

Divide.
--1 ÷ 0.05

Accepted Answer

A)  -20 
B)  -9.5 
C)  -0.95 
D)    
A)  -20 
B)  -9.5 
C)  -0.95 
D)

Question 6

Solve the problem.
-A machinist has flat metal plate that is 8.312 cm thick. He laminates the metal plate with four more layers that are 1.718 cm, 2.854 cm, 4.930 cm, and 4.291 cm thick. He then grinds off 3.090 cm from the top of the plate, then
2.285 cm more, and finally another 6.925 cm. Find the new thickness of the plate.

Accepted Answer

A)  20.555 cm 
B)  6.819 cm 
C)  9.805 cm 
D)  12.895 cm 
A)  20.555 cm 
B)  6.819 cm 
C)  9.805 cm 
D)  12.895 cm

Question 7

Evaluate -x for the given value of x.
-x = 32.2

Accepted Answer

A)  -32.2 
B)  32 
C)  32.2 
D)    
A)  -32.2 
B)  32 
C)  32.2 
D)

Question 8

Add. Do not use a number line except as a check.
--3 + 6

Accepted Answer

A)  9 
B)  3 
C)  -3 
D)  -9 
A)  9 
B)  3 
C)  -3 
D)  -9

Question 9

Find an equivalent expression with the given denominator.
-

Accepted Answer

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

Question 10

Subtract.
-0 - 24

Accepted Answer

A)  0 
B)    
C)  -24 
D)  24 
A)  0 
B)    
C)  -24 
D)  24

Question 11

Multiply.
-

Accepted Answer

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

Question 12

Simplify.
-2{[6(x - 1) + 7] - [2(3x - 1) + 7]}

Accepted Answer

A)  -8 
B)  0 
C)  12x - 4 
D)  24x - 8 
A)  -8 
B)  0 
C)  12x - 4 
D)  24x - 8

Question 13

Collect like terms.
-7x - 0.4y + 0.6x + 2y

Accepted Answer

A)  7.6x + 1.6y 
B)  1.6x + 7.6y 
C)  7x + 0.6x - 0.4y + 2y 
D)  7.6x - 0.4y + 2 
A)  7.6x + 1.6y 
B)  1.6x + 7.6y 
C)  7x + 0.6x - 0.4y + 2y 
D)  7.6x - 0.4y + 2

Question 14

Simplify.
-6 + (-12) + 5 + (-9) + 15 + (-19)

Accepted Answer

A)  -24 
B)  -14 
C)  0 
D)  -66 
A)  -24 
B)  -14 
C)  0 
D)  -66

Question 15

Find an equivalent expression with the given denominator.
-

Accepted Answer

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

Question 16

Evaluate.
-  , when m = 12 and n = 3

Accepted Answer

A)  24 
B)  48 
C)  6 
D)  4 
A)  24 
B)  48 
C)  6 
D)  4

Question 17

Add. Do not use a number line except as a check.
--8 + (-63) + 59 + (-37)

Accepted Answer

A)  -49 
B)  25 
C)  -33 
D)  -167 
A)  -49 
B)  25 
C)  -33 
D)  -167

Question 18

Subtract.
--45 - (-77)

Accepted Answer

A)  32 
B)  -122 
C)  122 
D)  -32 
A)  32 
B)  -122 
C)  122 
D)  -32

Question 19

Evaluate the expression for the given value of x.
-

Accepted Answer

A)  -216 
B)  24 
C)  -24 
D)  -18 
A)  -216 
B)  24 
C)  -24 
D)  -18

Question 20

Write an equivalent expression. Use a commutative law.
-pq + z

Accepted Answer

A)  z - pq 
B)  pq - z 
C)  qp + z, or z + pq 
D)  pqz, or p + q + z 
A)  z - pq 
B)  pq - z 
C)  qp + z, or z + pq 
D)  pqz, or p + q + z

Write an inequality with the same meaning. -y > 21

State the real number that corresponds to the situation. -One country exported $70,800,000 less than it imported, giving it a negative trade balance.

Multiply. --16 · (-6)

Add. Do not use a number line except as a check. -9 + (-1)

Divide. --1 ÷ 0.05

Evaluate -x for the given value of x. -x = 32.2

Add. Do not use a number line except as a check. --3 + 6

Find an equivalent expression with the given denominator. -

Subtract. -0 - 24

Multiply. -

Simplify. -2{[6(x - 1) + 7] - [2(3x - 1) + 7]}

Collect like terms. -7x - 0.4y + 0.6x + 2y

Simplify. -6 + (-12) + 5 + (-9) + 15 + (-19)

Find an equivalent expression with the given denominator. -

Evaluate. - , when m = 12 and n = 3

Add. Do not use a number line except as a check. --8 + (-63) + 59 + (-37)

Subtract. --45 - (-77)

Evaluate the expression for the given value of x. -

Write an equivalent expression. Use a commutative law. -pq + z

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

Write an inequality with the same meaning. -y > 21

State the real number that corresponds to the situation. -One country exported $70,800,000 less than it imported, giving it a negative trade balance.

Multiply. --16 · (-6)

Add. Do not use a number line except as a check. -9 + (-1)

Divide. --1 ÷ 0.05

Evaluate -x for the given value of x. -x = 32.2

Add. Do not use a number line except as a check. --3 + 6

Find an equivalent expression with the given denominator. -

Subtract. -0 - 24

Multiply. -

Simplify. -2{[6(x - 1) + 7] - [2(3x - 1) + 7]}

Collect like terms. -7x - 0.4y + 0.6x + 2y

Simplify. -6 + (-12) + 5 + (-9) + 15 + (-19)

Find an equivalent expression with the given denominator. -

Evaluate. - , when m = 12 and n = 3

Add. Do not use a number line except as a check. --8 + (-63) + 59 + (-37)

Subtract. --45 - (-77)

Evaluate the expression for the given value of x. -

Write an equivalent expression. Use a commutative law. -pq + z

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