Is 3x^{2} + 1 a rational expression?
Anonymous
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Sangeetha Pulapaka
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STEP 1: What are polynomials
STEP 2: What are fractions
https://www.ducksters.com/kidsmath/fractions_introduction.php
STEP 2: What is an expression
http://home.avvanta.com/~math/def2.cgi?t=expression
STEP 3: What is a rational expression
A rational expression is nothing more than a fraction in which the numerator and/or the denominator are polynomials. Here are some examples of rational expressions.
http://tutorial.math.lamar.edu/Classes/Alg/RationalExpressions.aspx
STEP 4: Answer
3x^{2} + 1 is a rational expression, since this can be written as
\frac{3x^{2}+ 1}{1}