Understanding Independent and Dependent Variables

What is always represented on the x-axis of a graph?

• Dependent variable

• Independent variable

• Both variables

• Neither variable

In the example of car pricing, what is the independent variable?

• Number of cars sold

• Type of car

• Location of sale

• Price of the car

Why is the number of students considered the independent variable in the classroom example?

• Because it is a fixed number

• Because it is less important

• Because it is always constant

• Because it affects the number of desks needed

In the parking lot example, what determines the number of cars present?

• Type of parking lot

• Day of the week

• Time of day

• Weather conditions

What must be set first in the car wash example to attract customers?

• Location of the car wash

• Price of the car wash

• Type of car wash

• Number of employees

In the DVD rental example, what is the independent variable?

• Store location

• Type of DVD

• Number of days rented

• Rental charge

What affects the number of gallons of gasoline sold?

• Type of vehicle

• Location of gas station

• Price of gasoline

• Brand of gasoline

In the popcorn example, what must be determined first to sell bags?

• Flavor of popcorn

• Price of popcorn

• Number of sellers

• Size of bags

What is the independent variable when considering money earned from popcorn sales?

• Amount of money earned

• Number of popcorn bags sold

• Type of popcorn

• Location of sale

What must happen first for a deeper level of understanding according to the lesson?

• Attendance in class

• Completion of assignments

• Reading textbooks

• Engagement in class