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Is (x^0-4x) a polynomial?

Answer and explanation

Correct answer: Yes, because \(x^0=1\) and the exponent of \(x\) in \(1-4x\) is a non-negative integer

Since \(x^0=1\), the given expression becomes \(1-4x\). The exponents of \(x\) are \(0\) and \(1\), both of which are non-negative integers; hence it is a polynomial. An exponent of zero is allowed, and neither subtraction nor having two terms prevents an expression from being a polynomial. Exam tip: check that every variable exponent is \(0,1,2,\ldots\).

Related tags

PolynomialsDefinition Of PolynomialZero ExponentAlgebraic ExpressionsClass 9 MathematicsDefinition Of A PolynomialIntroduction To PolynomialsMathematics

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