Independent and Dependent Variables

Identify the independent variable

The pages p, in a book and the weight, w, of the book

• p

• w

Identify the independent variable

The number of hamburgers, h, sold and the dollar amount of sales, s taken in

• h

• s

The number of oranges in a bag and the cost of the bag of oranges are related. What is the independent variable in this relationship?

• The number of oranges in the bag

• The cost of the bag

One chicken is injected with a growth hormone while another chicken is not injected with a growth hormone. After one year, both chickens are weighed. What is the dependent variable?

• If the chicken was injected with a growth hormone or not

• The weight of the chicken

• The type of chicken

The independent variable is:

• s = stickers earned

• p = papers completed

The graph shows the distance traveled by Ms. Luce's family on a road trip. They will travel 25 miles each hour. Which statement is true about the situation?

• the independent variable is distance

• the independent variable is d=25 t

• the dependent variable is time

• the dependent variable is distance

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

If I drink a lot of water then I will have to go to the bathroom.

What is the red part?

• Independent variable

• dependent variable

Sam wanted to know if the color of the chair you sat in when taking a test affected your test grade. What is the independent variable.

• Color or chair

• Grade on test

• Age of students