Independent and Dependent Quantities Math

Scenario: A freshly made cup of tea is served at t temperature of about 180 degrees. The tea cools rapidly at first, and then slows down gradually as it approaches room temperature. The independent quantity is _____.

Scenario: A commuter flight between Wichita and Kansas City takes about 40 minutes. The plane increases its altitude for the first half of the flight until it gets to 18,000 feet, and then it descents for the second half of the flight. The plane ascends and descends at a constant rate of 900 feet per minute. The independent quantity is _____.

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

Wanda earns $2 for every box of fruit sold as a fundraiser.

What is the DEPENDENT quantity?

• How many boxes of fruit she sells

• How tall Wanda is

• What kinds of fruit she sells

• How much money she makes

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

What is the DEPENDENT 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

What is the INDEPENDENT quantity?

• The number of words he types

• The number of minutes

• How fast Terrence is typing

• How long the words are

Wanda earns $2 for every box of fruit sold as a fundraiser.

What are the TWO things that are changing?

• How many boxes of fruit she sells

• How tall Wanda is

• What kinds of fruit she sells

• How much money she makes

Terrence types 80 words per minute.

What is the DEPENDENT quantity?

• The number of words he types

• The number of minutes

• How fast Terrence is typing

• How long the words are

• A
• B
• C
• D