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According to the definition of a polynomial (in one variable), which type of power must the variable have in every term?

Answer and explanation

Correct answer: A non-negative integer (0,1,2,...)

A polynomial in one variable has terms of the form \(a x^n\), where \(n\) must be a non-negative integer. If the power were negative (like \(x^{-2}\)) or fractional/real (like \(x^{1/2}\)), the expression would not be a polynomial because it would involve negative or non-integer powers. Therefore the power must be \(0,1,2,\dots\).

Related tags

PolynomialsDefinitionDegreePowersOne-Variable

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