What is recommended to watch before this video?

• A documentary on bike rides

• The first video on distance-time graphs

• A video on time management

• A tutorial on speed calculations

What does a flat section on a distance-time graph indicate?

• Decreasing speed

• Stationary position

• Increasing speed

• Constant speed

How long was Valentina stationary during her bike ride?

• 15 minutes

• 7 minutes 30 seconds

• 10 minutes

• 5 minutes

What is the total distance Valentina traveled during her journey?

• 40 kilometers

• 30 kilometers

• 50 kilometers

• 25 kilometers

If Valentina travels 25 kilometers away from home and then returns, what is the total distance covered?

• 40 kilometers

• 30 kilometers

• 50 kilometers

• 25 kilometers

What is the formula to calculate speed from a distance-time graph?

• Time multiplied by distance

• Time divided by distance

• Distance divided by time

• Speed divided by time

What was Valentina's average speed between 7:15 and 7:45?

• 40 kilometers per hour

• 20 kilometers per hour

• 50 kilometers per hour

• 30 kilometers per hour

How much time did Valentina take to travel from 5 kilometers to 25 kilometers?

• 60 minutes

• 45 minutes

• 30 minutes

• 15 minutes

What is the distance traveled by Valentina between 7:15 and 7:45?

• 10 kilometers

• 15 kilometers

• 20 kilometers

• 25 kilometers

Where can you find more questions to practice on distance-time graphs?

• In the classroom

• In the textbook

• In the online exam available through the revision platform

• In the next video