Identifying Independent/Dependent Variables

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 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

Tim got 3 pieces of candy for every house he trick or treated at.

c = candy
h = house

The dependent variable is:

• c = candy

• h = house

The independent variable is:

• t = treats

• j = jumps

Sophie earned $1 for every time she got an A on her report card.

m = money
A = A on report card

The dependent variable is:

• m = money

• A = A on report card

Lily got one prize for every book she read.

p = prize
b = books she reads

The independent variable is:

• p = prize

• b = books she reads

IS THE TABLE PROPORTIONAL OR NON-PROPORTIONAL

• PROPORTIONAL

• NON-PROPORTIONAL

IS THE TABLE PROPORTIONAL OR NON-PROPORTIONAL?

•  proportional

• non-proportional

Name the INDEPENDENT variable from the table below.

• words

• minutes

In the table, Bubbles is the ______________.

• independent variable

• dependent variable