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 Interactive Checkpoint
 Reciprocals:  Two numbers whose product is 1.

Determine which of the following pairs of numbers are reciprocals.

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Graded Response

 a) 3/4 and 4/3  a)
 b) 2/3 and 2/3  b)
 c) 4/7 and -7/4  c)
 d) 5 and 1/5  d)
 e) 2/3 and 9/6  e)