Independent vs Dependent Variables

On a graph, which axis shows the dependent variable?

• x-axis
• y-axis
• neither
• it changes

On a graph, which axis shows the independent variable?

• x-axis
• y-axis
• neither
• it changes

• the independent variable is distance
• the independent variable is d=25 t
• the dependent variable is time
• the dependent variable is distance

• The dependent variable is total cost
• The dependent variable is weight
• The independent variable is total cost
• The independent variable is cost of a package

Priya streams movies through a company that charges her a $5 monthly fee plus $1.50 per movie What is the dependent variable?

• the number of movies she rents
• the company that she rents from
• the money it costs
• There isn't one

A food service worker earns $12 per hour. How much money, m, does the worker earn on a shift of h hours? Identify the dependent variable.

• money

• hours

Kira designs websites. She can create three different websites each week. Kira wants to create an equation that will give her the total number of websites she can design given the number of weeks she works.
What is the independent vairble

• the number of websites she makes
• the number of weeks
• the design of the website
• there isn't one

A large 2-topping pizza, L, costs $2 more than a medium 3-topping pizza, m. What is the independent variable?

• L, large pizza
• M, medium pizza

Angelina performed an investigation to find out how the concentration of salt water affected the hatching of brine shrimp.  What is the INDEPENDENT Variable? 

• number of shrimp hatched
• salt water concentration
• number of shrimp eggs
• there is no independent variable 

David performed an investigation to find out how temperature affects crystal growth.   What is the DEPENDENT Variable? 

• temperature
• concentration of minerals in the solution
• size of crystals
• there is no dependent variable