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The simplification test for a rational expression is the same test used for:
AA numerical fraction
BA quadratic equation
CA linear inequality
DA coordinate graph
Answer & Solution
Correct answer: A. A numerical fraction
1. Rational expressions behave like fractions with variables.
2. A rational expression is simplified if there are no common factors.
3. Two thirds is simplified because there are no common factors of 2 and 3.
4. So the same common-factor test applies to both.
_Source: OpenStax Elementary Algebra 2e (CC BY 4.0), Ch 8 'Rational Expressions and Equations', sections 8.1-8.9_
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