Mathletes Identifying Independent and Dependent Variables

Asher is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

• Diameter of the ball

• Force acting on the ball

• Height that the ball bounces

• Height from which the ball is dropped

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

The graph shows the cost of mailing a package based on its weight.  Which statement is true about the situation?

• 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

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

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

In the table, Bubbles is the ______________.

• independent variable

• dependent variable

Which label best describes the dependent quantities shown in the table?

• Number of tickets (t)

• Cost (c)

Which label best describes the independent quantities shown in the table?

• Number of tickets (t)

• Cost (c)

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

Name the INDEPENDENT variable from the table below.

• words

• minutes