Independent and Dependent Variables in Tables and Graphs

On a graph, which axis shows the independent variable?

• x-axis
• y-axis
• neither
• it changes

On a graph, which axis shows the dependent variable?

• x-axis
• y-axis
• neither
• it changes

Name the INDEPENDENT variable from the table below.

• words
• minutes

Name the DEPENDENT variable from the table below.

• minutes
• bubbles

Find the rule.

• The output is: t + 6
• The output is: t + 2
• The output is: t x 2
• The output is: t - 6

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

What is the dependent variable according to the graph?

• The dependent variable is total cost

• The dependent variable is weight

• The dependent variable is unknown

Find the rule.

Find the rule.

• y = x - 10

• y = x - 14

• y = x ÷ 3

• y = 3x

Find the rule.

• y = 3x + 1

• y = x + 7

• y = 7x

• y = x - 7