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 Interactive Checkpoint
 Inverse Proportion (Inverse Variation):  The relationship between two variables in which the product is a constant.

 
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Graded Response

1) You want to visit your grandmother for the holidays. She lives 715 miles away. Last time you visited her the speed limit was 55 mph. Recently, the speed limit was changed to 65 mph. How much quicker will it take you to get to your grandmother (assuming both times you go the speed limit)?

 

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 2) In the following table, are the variables inversely proportional?
 A  B
 2  50
 4  25
 5  20
 10  10

 

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 3) True or False: The circumference of a circle is inversely proportional to its diameter

 

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