Direct Variation Quiz

What is the relationship called when two quantities have a constant ratio?

• Linear Equation

• Quadratic Equation

• Direct Variation

• Inverse Variation

In the example where a car travels a certain distance over time, what is the constant of proportionality?

• 260

• 195

• 65

• 130

How do you compare the constant rate of change and the constant ratio?

• They are unrelated

• They are different

• One is larger than the other

• They are the same

What is the rate at which the pool fills with water in the guided example?

• 6 inches per minute

• 10 inches per minute

• 4 inches per minute

• 8 inches per minute

In the example of the scuba diver, what is the rate of descent?

• 130 feet per minute

• 26 feet per minute

• 10 feet per minute

• 52 feet per minute

What does the constant of proportionality represent in the equation Y = 10x?

• The total money earned

• The number of tasks completed

• The amount of money earned per hour

• The number of hours worked

In the equation Y = 55x, what does the constant of proportionality indicate?

• Speed of the vehicle

• Time taken to travel

• Total distance traveled

• Distance traveled per hour

Why is there no direct variation in the pizza example?

• The delivery charge is too high

• The ratio is constant

• The graph does not pass through the origin

• The cost is constant

What is the constant ratio for the cheese example?

• $8.40

• $4.20

• $16.80

• $12.60

What is required for a relationship to be considered a direct variation?

• A constant ratio and passing through the origin

• A variable ratio and not passing through the origin

• A variable ratio and passing through the origin

• A constant ratio and not passing through the origin