Graphing Proportional Relationships

What is one of the key tasks Mark performs before each flight?

• Cleaning the helicopter

• Refueling the helicopter

• Pre-flight checks and briefings

• Flying the helicopter

What is the average speed of the helicopter?

• 120 miles per hour

• 100 miles per hour

• 160 miles per hour

• 140 miles per hour

How far can the helicopter travel in two hours?

• 120 miles

• 240 miles

• 360 miles

• 480 miles

What is the distance the helicopter can travel in three hours?

• 360 miles

• 240 miles

• 120 miles

• 480 miles

How long will it take the helicopter to travel 420 miles?

• 4.5 hours

• 4 hours

• 3.5 hours

• 3 hours

What is the constant of proportionality in this problem?

• Slope

• Distance

• Time

• Rate

What does the slope of the line represent in the graph?

• Distance

• Origin

• Time

• Rate

Which point does the line pass through in a graph of proportional relationships?

• (3,3)

• (1,1)

• (2,2)

• (0,0)

What is the equation used to express the relationship in this problem?

• d = r / t

• d = r * t

• d = r - t

• d = r + t

Which of the following is NOT an example of a proportional relationship?

• Miles per hour

• Temperature per hour

• Cost per pound

• Miles per gallon