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 Interactive Checkpoint
 Irrational Number:  A number whose decimal form is nonterminating and nonrepeating. Irrational numbers cannot be written in the form a/b, where a and b are integers (b cannot be zero). So all numbers that are not rational are irrational.

Determine which of the following numbers are irrational.

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Graded Response

 a) -2/3  a)
 b)  b)
 c)  c)
 d)  d)
 e) -3  e)