What is a unit rate?

• A unit rate is a measurement of time.

• A unit rate is a type of currency exchange.

• A unit rate is a method for calculating area.

• A unit rate is a ratio that compares a quantity to one unit of another quantity.

If a car travels 150 miles in 3 hours, what is the unit rate in miles per hour?

• 30 miles per hour

• 75 miles per hour

• 100 miles per hour

• 50 miles per hour

How do you represent a proportional relationship on a graph?

• A straight line through the origin.

• A vertical line indicating no relationship.

• A curved line that does not pass through the origin.

• A dotted line that represents random data points.

If y = 4x, what is the unit rate?

• 10

• 4

• 2

• 8

Solve the problem: If 5 pounds of apples cost $10, how much do 8 pounds cost?

• $12

• $16

• $20

• $14

If a recipe requires 2 cups of flour for 4 servings, how much flour is needed for 10 servings?

• 6 cups of flour

• 5 cups of flour

• 4 cups of flour

• 3 cups of flour

What does the slope of a line represent in a proportional relationship?

• The slope indicates the total distance between two points.

• The slope shows the maximum value of the variables.

• The slope represents the average of the two variables.

• The slope represents the constant rate of change between the two variables.

If a bike travels 20 miles in 1 hour, how far will it travel in 3 hours?

• 60 miles

• 40 miles

• 80 miles

• 100 miles

If a person can read 30 pages in 1 hour, how many pages can they read in 2.5 hours?

• 100 pages

• 75 pages

• 60 pages

• 90 pages

What is the constant of proportionality in the equation y = 3x?

• 10

• 3

• 5

• 1