Identifying Independent and Dependent Variables

What axis is always considered the independent variable in a graph?

• Y-axis

• Z-axis

• None of the above

• X-axis

In a scenario where car prices are set, what would be the dependent variable?

• Car manufacturer

• Car color

• Number of cars sold

• Car model

If the number of students determines the number of desks needed, which is the independent variable?

• Number of students

• Number of classrooms

• Number of desks

• Number of teachers

What variable depends on the time of day in a parking lot scenario?

• Number of parking tickets

• Number of cars

• Parking lot size

• Type of cars

How does the price of a car wash affect customer numbers?

• No effect

• More customers with higher prices

• Fewer customers with higher prices

• Only affects car types

What determines the rental charge in a DVD rental scenario?

• Number of DVDs available

• Number of days the DVD is kept

• Type of DVD

• Time of rental

In the context of gasoline sales, what does the price of gasoline determine?

• Number of gas stations

• Number of gallons sold

• Type of gasoline

• Gas station locations

What is the relationship between the price of popcorn at a theater and the number of bags sold?

• Directly proportional

• Depends on the movie shown

• Inversely proportional

• No correlation

What must occur first to determine the amount of money earned from selling popcorn bags?

• Selling popcorn bags

• Advertising the popcorn

• Opening the theater

• Setting the movie schedule

Which variable is influenced by your level of engagement in class?

• Number of classes attended

• Your grade

• Time spent studying

• Your level of understanding