Practice Independent Dependent Constant Variables

An ​ ​ (a)   variable causes the ​ (b)   variable to change..

• independent

• dependent

What is the dependent variable in the statement? Surface area of walls in a room, a, and the amount of paint used, p

• Dependent variable: a

• Dependent variable: p

Sophie 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

Grace is bringing treats to her Algebra 1 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

The independent variable is:

• s = stickers earned

• p = papers completed

Mr. Hays 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

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

• dependent

• independent

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

On a graph, which axis shows the independent variable?

• x-axis

• y-axis

• neither

• it changes

Name the INDEPENDENT variable from the table below.

• words

• minutes