Direct and Inverse Proportion Quiz

What is direct proportionality, and how does it relate to Abigail, Zoe, and Jackson?

• A

• D

• B

• C

If the speed of a car is directly proportional to the distance it travels, and the car travels 50 miles when the speed is 100 mph, what is the constant of proportionality?

• 5

• 8

• 12

• 2

If the number of hours Kai spends playing video games is inversely proportional to his high scores, and Kai scores 8 when he plays for 4 hours, what is the constant of proportionality?

• 4

• 6

• 2

• 10

If the number of pages a printer can print is directly proportional to the amount of ink it has, and the printer can print 200 pages with 10ml of ink, what is the constant of proportionality?

• 20

• 25

• 15

• 30

If the number of workers on a construction site is inversely proportional to the time it takes to complete a project, and 8 workers can complete the project in 10 days, how many days will it take for 12 workers to complete the project?

• 5

• 6

• 7

• 8