Identify Independent and Dependent Variable Math

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

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 cost

• the monthly fee

Sarah is bringing treats to her elementary school class on her birthday. The number of treats she brings in is based on the number of students in her class.

t = the number of treats

s = the number of students

Which of the variables is INDEPENDENT?

• s

• t

In order to earn extra spending money, Dalton babysits children after school. The greater the number of hours he babysits, the more money he earns. h = the number of hours Dalton babysits m = the amount of money Dalton earns Which of the variables is DEPENDENT?

• h

• m

In the equation s = 8t , which of the following represents the independent variable?

• s

• 8

• t

• 8t

In the United States House of Representatives, the number of Representatives from a state is calculated based on its population.

r = the number of Representatives

p = the population of a state

Which of the variables is INDEPENDENT?

• r

• p

In order to earn extra spending money, Delaney babysits children after school. The greater the number of hours she babysits, the more money she earns.

What is the independent variable?

• number of hours worked

• amount of money earned

Sarah is bringing treats to her elementary school class on her birthday. The number of treats she brings is based on the number of students in her class.

Which of the variables is independent?

• number of students

• number of treats

Carey and Justin are raising money to purchase books for the library. The more money they raise, the more books they will be able to purchase for the library. Which of the variables is dependent?

• amount of money raised

• number of books purchased after raising the money

In order to earn extra spending money, Delaney babysits children after school. The greater the number of hours she babysits, the more money she earns.

Which of the variables is dependent?

• number of hours worked

• money earned