Graph Independent Variable Cost

• y = 2x

• y = 2 + x

• y = 3x

• y = 3 + x

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

On a graph, which axis shows the independent variable?

• x-axis

• y-axis

• neither

• it changes

Will practices at a batting cage.  The table shows the total cost based on the number of tokens purchased.  Which of the following is the independent variable in this situation?

• number of tokens

• total cost

• {1, 2, 3, 4}

• {7, 10, 13, 16}

The total cost depends on the number of songs downloaded. What is the independent variable?

• total cost

• number of songs downloaded

Select the correct independent and dependent parts of the graph .

(choose 2 answers)

• The dependent variable is total cost

• The dependent variable is weight

• The independent variable is total cost

• The independent variable is the weight of the package

On a graph, which axis shows the independent variable?

• x-axis

• y-axis