Question 1

Solve using the multiplication principle.
-

Accepted Answer

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

Question 2

Solve. Clear decimals first.
-5.34x + 37.38 = 12.46x + 87.22

Accepted Answer

A)  -7 
B)  28 
C)  -28 
D)  7 
A)  -7 
B)  28 
C)  -28 
D)  7

Question 3

Solve using the multiplication principle.
--126 = 9z

Accepted Answer

A)  1 
B)  -135 
C)  -14 
D)  135 
A)  1 
B)  -135 
C)  -14 
D)  135

Question 4

Solve the problem.
-If the formula R = -0.037t + 50.1 can be used to predict the world record in the 400-meter dash t years after 1925, for what years will the world records be 48.6 seconds or less?

Accepted Answer

A)  1967 or after 
B)  1966 or after 
C)  1965 or after 
D)  1941 or after 
A)  1967 or after 
B)  1966 or after 
C)  1965 or after 
D)  1941 or after

Question 5

Write the word or phrase that best completes each statement or answers the question.
Provide an appropriate response.
-Express three consecutive integers, all in terms of x, if x is the largest integer.

Accepted Answer

The answer of Write the word or phrase that best...

Question 6

Solve the problem. Round to the nearest tenth of a percent.
-What percent of 109 is 16.9?

Accepted Answer

A)  0.1% 
B)  0.2% 
C)  15.5% 
D)  645.0% 
A)  0.1% 
B)  0.2% 
C)  15.5% 
D)  645.0%

Question 7

Solve using the multiplication principle.
-  = 15

Accepted Answer

A)  56 
B)  45 
C)  19 
D)  60 
A)  56 
B)  45 
C)  19 
D)  60

Question 8

Answer the question.
-In a school survey, students showed these preferences for instructional materials. Answer the question.   About how many students would you expect to prefer written materials in a school of 900 students?

Accepted Answer

A)  About 9 students 
B)  About 81 students 
C)  About 162 students 
D)  About 324 students 
A)  About 9 students 
B)  About 81 students 
C)  About 162 students 
D)  About 324 students

Question 9

Solve the problem.
-Jim has gotten scores of 78 and 69 on his first two tests. What score must he get on his third test to keep an average of 70 or greater?

Accepted Answer

A)  At least 63 
B)  At least 72.3 
C)  At least 62 
D)  At least 73.5 
A)  At least 63 
B)  At least 72.3 
C)  At least 62 
D)  At least 73.5

Question 10

Translate the sentence to an inequality.
-The number of people at a concert is not to exceed 3943.

Accepted Answer

A)    
B)  x  3943 
D)    
A)    
B)  x  3943 
D)

Question 11

Solve using the multiplication principle.
-  = -32.27

Accepted Answer

A)  13.83 
B)  29.27 
C)  16.39 
D)  6.83 
A)  13.83 
B)  29.27 
C)  16.39 
D)  6.83

Question 12

Solve the problem.
-The price of a printer was reduced from $400 to $260. What was the percent of decrease?

Accepted Answer

A)  35% 
B)  53.8% 
C)  40% 
D)  65% 
A)  35% 
B)  53.8% 
C)  40% 
D)  65%

Question 13

Solve.
-7y - 5 = 49 + y

Accepted Answer

A)    
B)    
C)    
D)  9 
A)    
B)    
C)    
D)  9

Question 14

Solve.
--9n - 3 = 78

Accepted Answer

A)  -72 
B)  -9 
C)  9 
D)  76 
A)  -72 
B)  -9 
C)  9 
D)  76

Question 15

Solve the problem. Round to the nearest hundredth, if necessary.
-What number is 140% of 389?

Accepted Answer

A)  54.46 
B)  544.6 
C)  5446 
D)  54,460 
A)  54.46 
B)  544.6 
C)  5446 
D)  54,460

Question 16

Solve using the multiplication principle.
-  = 16

Accepted Answer

A)  -105 
B)  -96 
C)  -23 
D)  -112 
A)  -105 
B)  -96 
C)  -23 
D)  -112

Question 17

Decide if the given number is a solution to the given equation.
-p - 7 = 1; 8

Accepted Answer

A) True 
 B)False

Question 18

Solve.
-2 3 - (5 - 5r) - r = -10 + 3(2 + 3r)

Accepted Answer

A)  -5 
B)  No solution 
C)  10 
D)  All real numbers 
A)  -5 
B)  No solution 
C)  10 
D)  All real numbers

Question 19

Solve the problem.
-DG's Plumbing and Heating charges $50 plus $65 per hour for emergency service. Bill remembers being billed just over $300 for an emergency call. How long to the nearest hour was the plumber at Bill's house?

Accepted Answer

A)  12 hours 
B)  14 hours 
C)  4 hours 
D)  5 hours 
A)  12 hours 
B)  14 hours 
C)  4 hours 
D)  5 hours

Question 20

Solve.
-5(x + 2) + 12 = 2(x + 5) + 9

Accepted Answer

A)  -1 
B)  13 
C)  9 
D)  11 
A)  -1 
B)  13 
C)  9 
D)  11

Solve using the multiplication principle. -

Solve. Clear decimals first. -5.34x + 37.38 = 12.46x + 87.22

Solve using the multiplication principle. --126 = 9z

Solve the problem. -If the formula R = -0.037t + 50.1 can be used to predict the world record in the 400-meter dash t years after 1925, for what years will the world records be 48.6 seconds or less?

Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. -Express three consecutive integers, all in terms of x, if x is the largest integer.

Solve the problem. Round to the nearest tenth of a percent. -What percent of 109 is 16.9?

Solve using the multiplication principle. - = 15

Answer the question. -In a school survey, students showed these preferences for instructional materials. Answer the question. About how many students would you expect to prefer written materials in a school of 900 students?

Solve the problem. -Jim has gotten scores of 78 and 69 on his first two tests. What score must he get on his third test to keep an average of 70 or greater?

Translate the sentence to an inequality. -The number of people at a concert is not to exceed 3943.

Solve using the multiplication principle. - = -32.27

Solve the problem. -The price of a printer was reduced from $400 to $260. What was the percent of decrease?

Solve. -7y - 5 = 49 + y

Solve. --9n - 3 = 78

Solve the problem. Round to the nearest hundredth, if necessary. -What number is 140% of 389?

Solve using the multiplication principle. - = 16

Decide if the given number is a solution to the given equation. -p - 7 = 1; 8

Solve. -2 3 - (5 - 5r) - r = -10 + 3(2 + 3r)

Solve the problem. -DG's Plumbing and Heating charges $50 plus $65 per hour for emergency service. Bill remembers being billed just over $300 for an emergency call. How long to the nearest hour was the plumber at Bill's house?

Solve. -5(x + 2) + 12 = 2(x + 5) + 9

Introduction

Introduction to Real Numbers and Algebraic Expressions

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 3: Solving Equations and Inequalities