Unit Rates and Proportional Relationships

The video tutorial covers the concept of proportional relationships through various examples, including movie tickets, walking distances, musical practice, savings, and pricing of goods. It explains how to determine if a relationship is proportional by calculating unit rates and constants of proportionality. The video also includes graphing exercises to visualize proportional relationships.

What is the unit rate for the movie tickets purchased by Robert?

• $5.00 per ticket

• $10.00 per ticket

• $20.00 per ticket

• $2.50 per ticket

How do you determine if two ratios form a proportional relationship?

• By checking if their unit rates are the same

• By checking if their products are equal

• By checking if their sums are equal

• By checking if their unit rates are different

What is the constant of proportionality in Nina's walking example?

• 4 miles per lap

• 2 miles per lap

• 1 mile per lap

• 0.5 miles per lap

In the guitar practice example, what is the unit rate of practice per day?

• 1 hour

• 1.5 hours

• 2 hours

• 2.5 hours

Why is Harper's savings not proportional to the number of weeks?

• The amount saved each week is the same

• The savings increase exponentially

• The amount saved each week varies

• The total savings is constant

What is the constant of proportionality for the agua fresca pricing?

• 0.3

• 0.4

• 0.2

• 0.1

In the trivia contest, what indicates a proportional relationship?

• The points are scattered

• The points form a curve

• The points form a straight line through the origin

• The points do not form a straight line

Why is the t-shirt pricing not proportional?

• The price per shirt is constant

• The price per shirt varies

• The total cost is fixed

• The number of shirts is constant

What is the constant of proportionality for the shipping costs?

• 0.4

• 0.3

• 0.1

• 0.2

How many calories does Petrale burn per minute on the exercise bike?

• 15 calories

• 10 calories

• 20 calories

• 5 calories