Independent and Dependent Quantities Math

• 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

The independent quantities are represented by these values: 0.15, 0.25, 0.5, and 1.0                         

• True

• False

The time spent working causes the amount earned.

• True

• False

• a

• b

• c

• d

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

• y = 4x

• Independent Variable y

• Velocity in m/s

• Equation

• 8 m/s

• Velocity after 2 minutes

• 5 seconds

• Dependent Variable x

• Time in seconds

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

Which is the dependent variable?

• x

• y

• -1/2

• 4

What is the independent variable on the graph?

• Number of Hours (h)

• Cost (c)

Elizabeth hired a cleaning service to clean her house. To find C, the total cost of cleaning her house, she used the following equation.

C = 7.5x + 25

What is the dependent variable for the equation?

• 7.25

• 25

• C

• x

In the equation y = 2x - 4, what is the dependent variable?

• 2x

• x

• -4

• y