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WGU C957 Applied Algebra OA EXAM WITH
COMPLETE 400 QUESTIONS AND SOLUTIONS LATEST
UPDATE JUST RELEASED THIS YEAR
Question: Which choice is a quantitative variable?
-S, representing the number of regular weekly shipping deliveries your company's trucks make
-M, representing the federal minimum wage
-R, representing the monthly rent for your company's office building
-P, representing the monthly profit based on the number of customers who needed plumbing
services - CORRECT ANSWER✔✔-P, representing the monthly profit based on the number of
customers who needed plumbing services
Correct! Profit can change from month to month, and profit is a number, or quantity.
Question: In a lawn-mowing business, the amount of time an employee spends mowing a lawn
depends on the size of the lawn. It might also depend on some other factors.
Which choice represents a qualitative variable in this lawn-mowing business?
-M, representing the maximum amount of lawn that a given mower can complete per hour
-W, representing the number of hours the employee spends working each day
-G, representing the amount of gas needed to mow a given lawn
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-H, representing the hilliness of the lawn - CORRECT ANSWER✔✔-H, representing the hilliness
of the lawn
Correct! The hilliness of a lawn could affect the time needed to mow it, and this is a quality that
can vary from lawn to lawn.
Question: Which variable is related to the variable temperature?
-Computer sales
-Hot chocolate sales
-Book sales
-Pen sales - CORRECT ANSWER✔✔-Hot chocolate sales
Correct! When temperatures fall, more people want to buy hot chocolate to stay warm.
Question: The amount of food prepared for a catered event depends on the number of people
attending.
Which variable is the independent variable?
-The number of people attending
-The amount of food prepared - CORRECT ANSWER✔✔-The number of people attending
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Correct! Since the number of people present and eating influences the amount of food that
needs to be prepared, the number of people is the independent variable.
Question: You own a car wash that charges $10 for each car that goes through. If you wash 50
cars a day, your revenue is $10×50=$500$10×50=$500. If you only wash 20 cars a day, your
revenue is $10×20=$200$10×20=$200.
Which variable is the independent variable?
-The number of cars washed
-Your company's revenue - CORRECT ANSWER✔✔-The number of cars washed
Correct! Since the number of cars washed affects your revenue, the number of cars is the
independent variable.
Question: The amount of money you spend on apps depends on the number of apps you buy.
Which variable is the dependent variable?
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-The amount of money spent
-The number of apps you buy - CORRECT ANSWER✔✔-The amount of money spent
Correct! Since the amount you spend depends on the number of apps purchased, this is the
dependent variable.
Question: When you first started at your job, you earned two weeks of vacation time a year.
After five years of employment, you earn three weeks of vacation. After ten years of
employment, you earn four weeks of vacation.
What is the dependent variable—the number of weeks of vacation or the number of years
employed?
-The number of weeks of vacation
-The number of years employed
Correct! Since the number of weeks of vacation is influenced by the years of employment, this is
the dependent variable. - CORRECT ANSWER✔✔-The number of weeks of vacation
Correct! Since the number of weeks of vacation is influenced by the years of employment, this is
the dependent variable.
WGU C957 Applied Algebra OA EXAM WITH
COMPLETE 400 QUESTIONS AND SOLUTIONS LATEST
UPDATE JUST RELEASED THIS YEAR
Question: Which choice is a quantitative variable?
-S, representing the number of regular weekly shipping deliveries your company's trucks make
-M, representing the federal minimum wage
-R, representing the monthly rent for your company's office building
-P, representing the monthly profit based on the number of customers who needed plumbing
services - CORRECT ANSWER✔✔-P, representing the monthly profit based on the number of
customers who needed plumbing services
Correct! Profit can change from month to month, and profit is a number, or quantity.
Question: In a lawn-mowing business, the amount of time an employee spends mowing a lawn
depends on the size of the lawn. It might also depend on some other factors.
Which choice represents a qualitative variable in this lawn-mowing business?
-M, representing the maximum amount of lawn that a given mower can complete per hour
-W, representing the number of hours the employee spends working each day
-G, representing the amount of gas needed to mow a given lawn
, Page 2 of 119
-H, representing the hilliness of the lawn - CORRECT ANSWER✔✔-H, representing the hilliness
of the lawn
Correct! The hilliness of a lawn could affect the time needed to mow it, and this is a quality that
can vary from lawn to lawn.
Question: Which variable is related to the variable temperature?
-Computer sales
-Hot chocolate sales
-Book sales
-Pen sales - CORRECT ANSWER✔✔-Hot chocolate sales
Correct! When temperatures fall, more people want to buy hot chocolate to stay warm.
Question: The amount of food prepared for a catered event depends on the number of people
attending.
Which variable is the independent variable?
-The number of people attending
-The amount of food prepared - CORRECT ANSWER✔✔-The number of people attending
, Page 3 of 119
Correct! Since the number of people present and eating influences the amount of food that
needs to be prepared, the number of people is the independent variable.
Question: You own a car wash that charges $10 for each car that goes through. If you wash 50
cars a day, your revenue is $10×50=$500$10×50=$500. If you only wash 20 cars a day, your
revenue is $10×20=$200$10×20=$200.
Which variable is the independent variable?
-The number of cars washed
-Your company's revenue - CORRECT ANSWER✔✔-The number of cars washed
Correct! Since the number of cars washed affects your revenue, the number of cars is the
independent variable.
Question: The amount of money you spend on apps depends on the number of apps you buy.
Which variable is the dependent variable?
, Page 4 of 119
-The amount of money spent
-The number of apps you buy - CORRECT ANSWER✔✔-The amount of money spent
Correct! Since the amount you spend depends on the number of apps purchased, this is the
dependent variable.
Question: When you first started at your job, you earned two weeks of vacation time a year.
After five years of employment, you earn three weeks of vacation. After ten years of
employment, you earn four weeks of vacation.
What is the dependent variable—the number of weeks of vacation or the number of years
employed?
-The number of weeks of vacation
-The number of years employed
Correct! Since the number of weeks of vacation is influenced by the years of employment, this is
the dependent variable. - CORRECT ANSWER✔✔-The number of weeks of vacation
Correct! Since the number of weeks of vacation is influenced by the years of employment, this is
the dependent variable.
