Independent and Dependent Variables in Algebra

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

Kaden gets one sticker for every paper he completes.

s = stickers earned

p = papers completed

The independent variable is:

• s = stickers earned

• p = papers completed

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

• dependent

• independent

Match the following using the given graph of a two-variable equation.

• Time in seconds

• Equation

• Velocity in m/s

• Independent Variable y

• y = 4x

• Dependent Variable x

• 5 seconds

• Velocity after 2 minutes

• 8 m/s

• Time it takes to reach a velocity of 20 m/s

On a graph, which axis shows the dependent variable?

• x-axis

• y-axis

• neither

• it changes

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

In the table, Bubbles is the ______________.

• independent variable

• dependent variable

Sarah 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