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A rational expression is considered simplified if there are no common factors in its numerator and:
AVariable
BDenominator
CExponent
DCoefficient
Answer & Solution
Correct answer: B. Denominator
1. Simplifying a rational expression mirrors simplifying a fraction.
2. A rational expression is one expression divided by another.
3. It is considered simplified if there are no common factors.
4. That applies to factors in its numerator and denominator.
_Source: OpenStax Elementary Algebra 2e (CC BY 4.0), Ch 8 'Rational Expressions and Equations', sections 8.1-8.9_
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