Proportional Relationships with Graps

Find the Unit Rate.

405 rotations in 5 minutes

• 81 rotations per minute

• 73 rotations per minute

• 18 rotations per minute

• 810 rotations in 10 minutes

Does the table represent a proportional relationship?

• Yes.

• No.

What is a unit rate?

• A comparison of two quantities where the denominator is always 1 unit
• A rate that compares 2 different quantities
• a rate with units 
• a comparison of two quantities where the first quantity is always 1

Using the graph above, determine the constant of proportionality.

• k = 0
• k = 1
• k = 3
• k = 6

Using the table above, determine which statement is correct.

• The table is proportional and the unit rate is 100.
• The table is not proportional because the unit rate is not constant.
• The table is not proportional because it doesn't pass through the origin.
• The table is proportional and the unit rate is 0.01.

Using the table above, determine the equation of the line.

• y = 5x
• y = 10x
• y = 1/5 x
• y = 1/10 x

The graph above shows the price of games in dollars.  Is the graph proportional and how do you know?

• The graph is proportional  because it is linear.
• The graph is proportional because it is linear and passes through the origin.
• The graph is not proportional because it does not pass through the origin.
• The graph is not proportional because it is not linear and it does not pass through the origin.

What is the constant of proportionality based on the table above?

• 1/75
• 75
• 1
• 0

What is the equation for the XY Chart shown?

• y=5/4x

• y=4/5x

• y=8/10x

• y=7x

What is the unit rate of paws per dog?

• 2

• 4

• 8

• 16