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OpenStudy (anonymous):
Which of the following is not a rational expression?
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OpenStudy (anonymous):
OpenStudy (anonymous):
Rational means able to put in a fraction. Anything that can be put into a fraction is rational, excepting fractions with √ symbols inside of them. Although all of these questions are able to be put in fractions, I am assuming that the answer is D, since it is the only one NOT put into a fraction.
OpenStudy (anonymous):
The first one because of the denominator's restriction.
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