Independent and Dependent Quantities

What is the INDEPENDENT quantity?

• How many boxes of fruit she sells

• How tall Wanda is

• What kinds of fruit she sells

• How much money she makes

A rental car company charges customers $40 for each day they rent a car.

What is the INDEPENDENT quantity?

• The kind of car they can rent

• How many days they rent the car

• The color of the cars

• How much money they have to pay total

• A
• B
• C
• D

• A
• B
• C
• D

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

• Time in seconds

• Velocity after 2 minutes

• 5 seconds

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

• 8 m/s

• Independent Variable y

• y = 4x

• Dependent Variable x

• Velocity in m/s

• Equation

Which is the dependent variable?

• x

• y

• -1/2

• 4

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

• 2x

• x

• -4

• y

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

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

What is the dependent variable in the equation y = 3x - 2?

• y

• x

• -2

• 3x