Find Constant of Proportionality from Table

• A

• B

• C

• D

How do you know if a table is proportional?

• x-y is the same for each ordered pair

• The cross products are equal

• x + y is the same for each ordered pair

• It has a constant of proportionality

What is the equation for the following proportional table?

• x = 12y

• y = 1/12 x

• y = 12x

• x = 1/12 y

The constant of proportionality can also be called the...

• Equation of a proportional relationship

• Unit Rate

• Origin

• Y-intercept

The table represents the price of McDonald's Value Meals. What is the constant of proportionality?

• 5.25

• 10.50

• 5

• 2

A library charges a fine of 5 cents per day for each book that is returned late. Which fine is incorrect based on the proportion the library uses?

• 15 cents for 3 days late

• 30 cents for 6 days late

• 45 cents for 11 days late

• 60 cents for 12 days late

The chart displays the distance over time ran by Juan who is running at a constant speed. How many miles will Juan run per hour?

• 12 miles
  

• 3 miles
  

• 6.5 miles
  

• 0.08 miles
  

The table shows how much a store charges for a certain number of bananas. Which equation could be used to find cost, c, of any number of bananas, b?

• c = $0.09b

• c = $0.19b

• c = $0.38b

• c = $0.57b

Using the data from the table, which equation represents the relationship between x and y values?

• y = 33 + x

• y = 24 + x

• y = 12x

• y = -12x

Use the table to write an equation that relates lunch cost L and number of riders n.

• L = $0.50n

• L = $4.00n

• L = $6.00n

• L = $8.00n