Understanding Slope: Real-World Applications in 8th Grade

A car travels 150 miles in 3 hours. What is the slope of the line representing the car's speed in miles per hour?

• 75 miles per hour

• 30 miles per hour

• 100 miles per hour

• 50 miles per hour

A gardener plants 20 flowers in 4 rows. If each row has the same number of flowers, what is the slope of the line representing the number of flowers per row?

• 5

• 1

• 0

• -1

A cyclist rides 60 miles in 2 hours. What does the slope of the line represent in this context?

• The time taken by the cyclist, which is 2 hours.

• The distance covered by the cyclist, which is 60 miles.

• The speed of the cyclist, which is 30 miles per hour.

• The total calories burned by the cyclist during the ride.

A store sells 100 items for $200. If the price increases to $300 for 150 items, what is the slope of the line representing the price per item?

• 1

• 2

• 0

• -1

A student scores 80% on a test after studying for 2 hours. If they study for 4 hours and score 90%, what is the slope of the line representing their score increase per hour studied?

• 15% per hour

• 2% per hour

• 10% per hour

• 5% per hour

A train travels 240 miles in 4 hours. What is the slope of the line representing the train's speed, and what does it mean in this context?

• 80 miles per hour

• 60 miles per hour

• 75 miles per hour

• 50 miles per hour

A recipe calls for 2 cups of flour to make 12 cookies. If you want to make 24 cookies, what is the slope of the line representing the relationship between cups of flour and cookies?

• 1/3

• 2/3

• 1/4

• 1/6

A factory produces 500 toys in 5 hours. If production increases to 800 toys in 8 hours, what is the slope of the line representing toys produced per hour?

• 120 toys per hour

• 200 toys per hour

• 80 toys per hour

• 100 toys per hour

A runner completes a 10K race in 50 minutes. If they maintain a constant speed, what is the slope of the line representing their speed in kilometers per minute?

• 0.1 km/min

• 1 km/min

• 0.2 km/min

• 0.5 km/min

A phone company sells 300 phones for $9000. If they sell 500 phones for $15000, what is the slope of the line representing the price per phone?

• 15

• 30

• 45

• 60