Understanding Proportions

What is the relationship in a direct proportion?

• In a direct proportion, the ratio of two variables remains constant.

• The ratio of two variables changes constantly.

• The relationship is defined by a quadratic equation.

• In a direct proportion, one variable increases while the other decreases.

If 3 apples cost $6, how much do 5 apples cost?

• $15

• $12

• $10

• $8

Identify if the following is a direct proportion: If x increases, y increases.

• x and y are inversely proportional.

• It depends on the values of x and y.

• Yes, it is a direct proportion.

• No, it is not a direct proportion.

If 10 workers can complete a task in 5 days, how long will it take 5 workers?

• 10 days

• 20 days

• 15 days

• 5 days

What is the relationship in an indirect proportion?

• In an indirect proportion, one quantity increases while the other decreases.

• Both quantities decrease simultaneously.

• One quantity remains constant while the other changes.

• Both quantities increase together.

If 4 pencils cost $2, how much do 10 pencils cost?

• $4.00

• $6.00

• $3.00

• $5.00

Identify if the following is an indirect proportion: If x increases, y decreases.

• It depends on the values of x and y.

• No, it is not a proportion.

• Yes, it is a direct proportion.

• Yes, it is an indirect proportion.

If a car travels 60 miles in 1 hour, how far will it travel in 3 hours?

• 120 miles

• 90 miles

• 240 miles

• 180 miles

If 8 oranges cost $4, how much do 12 oranges cost?

• $5.00

• $6.00

• $8.00

• $4.00

If the number of hours worked increases, what happens to the pay in a direct proportion?

• The pay increases in direct proportion to the hours worked.

• The pay decreases as hours worked increase.

• The pay increases but not in direct proportion to hours worked.

• The pay remains the same regardless of hours worked.