7th Grade Unit 2 Review

Find the constant rate of change for this graph.

• 2 lb per person

• 1 lb per person

• 3 lb per person

• 4 lb per person

Unit means...

• one

• two

• three

• proportional

A car travels 150 miles in 3 hours. What is the unit rate of the car's speed in miles per hour?

• 45 miles per hour

• 50 miles per hour

• 55 miles per hour

• 60 miles per hour

• 1

• 2

• 3

• 4

If a puppy runs across a park at a speed of 15 m/s. The puppy has a time of 5 seconds. How far did the puppy run?

• 75 m

• 30 m

• 45 m

• 105 m

A cyclist covers a distance of 90 kilometers in 5 hours. What is the cyclist's speed in kilometers per hour?

• 15 km/h

• 18 km/h

• 20 km/h

• 22 km/h

A recipe requires 4 cups of flour for every 2 cups of sugar. What is the constant of proportionality of flour to sugar?

• 1

• 2

• 3

• 4

A train travels 240 miles in 4 hours. What is the train's speed in miles per hour?

• 50 miles per hour

• 55 miles per hour

• 60 miles per hour

• 65 miles per hour

The table show's your profit from your summer mowing job. What is the rate of change?

• $10 per hour

• $20 per hour

• $5 per hour

• $12 per hour

• 2

• 3

• 4

• 5