Practice Independent Dependent Constant Variables

Dependant variables depend on what variables

• Independent

• X

• Y

• Association

Choose the correct one for finding why something IS a function:

• Each independent variable has only one dependent variable.

• Each independent variable has only two dependent variables.

• Each constant variable has one dependent variable.

• Each independent variable has one control variable.

Choose the correct answer for why something IS NOT a function:

• Two independent variables could be the same but with different dependent variables.

• Two dependent variables could be the same but with different independent variables.

• Two independent variables could be the same but with the same dependent variables.

• One independent variable could be the same but with different dependent variables.

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

Which is the dependent variable?

• x

• y

• -1/2

• 4

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

Which is the dependent variable?

• x

• y

• -1/2

• 4

Carey and Justin are raising money to purchase books for their school's library. The more money they raise, the more books they will be able to purchase for the library.
m = the amount of money Carey and Justin raise
b = the number of books Carey and Justin will be able to purchase
Which of the variables is dependent?

• m

• b

In order to earn extra money on the weekends, Josie's string quartet performs at wedding receptions. The longer the reception, the more money they earn.
r = the length of the reception
m = the amount of money Josie's quartet earns
Which of the variables is independent?

• r

• m