Dependent and Independent Variables

Jimmy earned $8 for every pizza he delivers.

m = money (dollars)

p = number of pizzas delivered

The dependent variable is:

• m = money

• p = number of pizzas delivered

• the kind of pizza

Ms. Shi is making a scrapbook. As she adds more photos, the scrapbook grows thicker.

p = the number of photos added

t = the thickness of the scrapbook

• t is the independent variable and p is the dependent variable

• p is the independent variable and t is the dependent variable

A(n) _____________ variable depends on or is changed by another variable.

• dependent

• independent

• axis

Identify the independent variable:
The height of bean plants depends on the amount of water they receive. 

• The bean seed
• The amount of water provided daily
• The amount of sunlight they're exposed to daily
• How tall they grow by the end of the experiment

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

• the job

Changes in the _________ variable causes changes in the _________ variable.

• independent; dependent
• dependent; independent

Identify the independent variable:

The amount of money, m, earned if t raffle tickets are sold

• money, m

• tickets, t

Identify the independent variable

The pounds, p, of flour you buy and the number of bread loaves, b, you want to make

• p

• b

Sophie earned $5 for every A she got on her report card.

m = money

A = A on report card

The dependent variable is:

• m = money

• A = A on report card

Identify the dependent variable

The pounds, p, of flour you buy and the number of bread loaves, b, you can make

• pounds of flour, p

• number of loaves, b