Independent & Dependent Variable

Two rock climbers are climbing a cliff. Compare the two representations and make a statement about each climber's rate per minute. Which statement is not true about the climber's rate per minute?

• Sam is climbing the cliff at a rate of 5 feet per minute.

• Mark is climbing the cliff at a rate twice as fast as Sam.

• Sam is climbing the cliff at a rate twice as fast as Mark.

• Mark is climbing the cliff at a rate of 10 feet per minute.

Priya streams movies through a company that charges her a $5 monthly fee plus $1.50 per movie What is the dependent variable?

• the number of movies she rents

• the company that she rents from

• the money it costs

• There isn't one

What is the independent variable in the graph above?

• the cost of the topping

• the total cost of the pizza

• the number of toppings

• the number of pizzas

What is the dependent variable in the table?

• the student's height

• the student's shoe size

• the student's name

• the total cost of the shoes

Mia practices her flute for 30 minutes each evening. This can be represented by the equation t = 30d.

What is the independent variable in the equation above?

• 30 minutes

• the number of days

• total minutes practiced

• total number of days

What is the dependent variable in the table?

• total amount earned

• total number of hours

• $9 per hour

• the number of hours

Jasmine subscribes to a video streaming website. Each month, she pays $10 for unlimited streaming. This can be represented by the equation c = 10m. What is the dependent variable in the equation above?

• the minutes streamed

• $10 each month

• the number of months

• the total cost

Which statement is correct?

• the water drains faster the longer the pump works

• as the number of hours increases, the gallons of water increases

• the gallons of water are the dependent on the number of hours it pumps

• the number of hours it pumps is dependent on the gallons of water

What is the dependent variable in the graph?

• the total cost of the tickets

• the cost of a ticket

• the number of tickets

• the total number of tickets

Carter drives his moped at 25 miles per hour. This can be represented by the equation m = 25h. Which statement is correct?

• the number of hours driven is dependent on the miles traveled

• as the number of hours increases, the total miles decreases

• as teh number of miles increases, the number of hours decreases

• the miles traveled are dependent on the number of hours