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OpenStudy (anonymous):

Which is rational?

OpenStudy (anonymous):

where is the rest of the question

OpenStudy (anonymous):

OpenStudy (anonymous):

OpenStudy (anonymous):

OpenStudy (anonymous):

Directrix (directrix):

To do these, we have to know what a rational number is, that is what form it takes so that we'll know one when we see one. Read how to recognize a rational number on the attached file.

Directrix (directrix):

To help you get started, the first option of Sqrt(6) is *not* a rational number. Its approximation starts out as 2.44948974278... and goes on forever without a repeating block. (in the same way the number pi does).

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