WGU C957 APPLIED ALGEBRA OA EXAM | ACTUAL REAL
EXAM QUESTIONS AND ANSWERS WITH A PRACTICE EXAM
TEST BANK AND STUDY GUIDE
Which choice is a quantitative variable?
A. S, representing the number of regular weekly shipping deliveries your company's
trucks make
B. P, representing the monthly profit based on the number of customers who needed
plumbing services
C. R, representing the monthly rent for your company's office building
D. M, representing the federal minimum wage - B
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?
A. G, representing the amount of gas needed to mow a given lawn
B. W, representing the number of hours the employee spends working each day
C. H, representing the hilliness of the lawn
D. M, representing the maximum amount of lawn that a given mower can complete per
hour - C
Which choice is a variable?
A.The number of states in the United States of America
B.The cost of your daily newspaper
C.The amount a teenager makes babysitting
D.Your shoe size - C
Which choice is a variable?
A.The operating system on your phone
B.The amount a babysitter charges per hour
C.The name of the largest mountain range in the United States
D.The colors and styles of your shoes - D
Which variable is related to the variable temperature?
A. Pen sales
B. Computer sales
, C. Hot chocolate sales
D. Book sales - C
The number of years someone regularly deposits money in a savings account is related
to the amount of money in the account. T/F - T
The amount of food prepared for a catered event depends on the number of people
attending.
Which variable is the independent variable?
A. The amount of food prepared
B. The number of people attending - B
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. If you only wash 20 cars a day, your revenue
is $10×20=$200.
Which variable is the independent variable?
A. Your company's revenue
B. The number of cars washed - B
The amount of money you spend on apps depends on the number of apps you buy.
Which variable is the dependent variable?
A. The amount of money spent
B. The number of apps you buy - A
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?
A. The number of weeks of vacation
B. The number of years employed - A
Which event allows you to predict the output based on an input?
A. The sex of a baby based on what the mother eats during pregnancy
B. The color gumball you get from a gumball machine based on which quarter you put
into the machine
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