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Which expression is a polynomial in (x), but not a constant polynomial in (x)?

Answer and explanation

Correct answer: \(3x^2+1\)

In \(3x^2+1\), the term \(3x^2\) contains \(x\), and the polynomial has degree 2. Hence, it is a non-constant polynomial in \(x\). The expressions \(14\), \(0\), and \(-9\) contain no \(x\), so they are constant polynomials. Exam tip: A polynomial with a variable raised to a positive power cannot be a constant polynomial.

Related tags

Polynomial DefinitionConstant PolynomialNon-Constant PolynomialDegree Of PolynomialClass 9 MathematicsDefinition Of A PolynomialIntroduction To PolynomialsMathematics

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