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Which option gives the correct definition of a polynomial?

Answer and explanation

Correct answer: An algebraic expression in which the exponents of variables are zero or positive integers

A polynomial is an algebraic expression in which every variable has an exponent that is zero or a positive integer, for example, \(3x^2-5x+7\). Therefore, option C is correct. Expressions with negative exponents, such as \(x^{-1}\), or fractional exponents, such as \(x^{1/2}\), are not polynomials; a variable in the denominator is equivalent to a negative exponent. Exam tip: check the exponents first—they must be \(0,1,2,3,\ldots\).

Related tags

PolynomialsDefinition Of PolynomialAlgebraic ExpressionsExponentsClass 9 MathematicsDefinition Of A PolynomialIntroduction To PolynomialsMathematics

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