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Which statement is correct for \(5x^2-\pi x+\sqrt{3}\)?

Answer and explanation

Correct answer: It is a quadratic polynomial and its degree is \(2\).

In \(5x^2-\pi x+\sqrt{3}\), the powers of \(x\) are \(2\), \(1\), and \(0\), all of which are non-negative integers. Hence, it is a polynomial. Although \(\pi\) and \(\sqrt{3}\) are irrational, they are real constants and may be valid polynomial coefficients. Since the highest power is \(2\), it is a quadratic polynomial. Option B is incorrect because the presence of an \(x\)-term alone does not make a polynomial linear; its highest power determines the degree. Exam tip: find the greatest exponent of the variable to determine the degree.

Related tags

PolynomialsDefinition Of PolynomialDegree Of PolynomialQuadratic PolynomialReal CoefficientsIrrational CoefficientsDefinition Of A PolynomialIntroduction To Polynomials

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