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anonymous
 one year ago
Is the product of a rational number and an irrational number necessarily rational? necessarily irrational?
I'm having trouble with the word "necessarily". How can I prove this one way or the other?
anonymous
 one year ago
Is the product of a rational number and an irrational number necessarily rational? necessarily irrational? I'm having trouble with the word "necessarily". How can I prove this one way or the other?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0it is irrational. 7 is rational , pi is irrational 7pi is irrational.

tkhunny
 one year ago
Best ResponseYou've already chosen the best response.1You can prove it if you know the same thing about the product of an integer and an irrational number.
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