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Is (3x^0+5x) a polynomial?

Answer and explanation

Correct answer: Yes, because \(x^0=1\), so the expression becomes \(3+5x\), in which the exponents of \(x\) are non-negative integers.

Yes. Since \(x^0=1\), \(3x^0+5x=3+5x\). The exponents of \(x\) are 0 and 1, both non-negative integers, so it is a polynomial. Option B is incorrect because an exponent of zero is allowed in a polynomial. Exam tip: When you see \(x^0\), simplify it to 1 before deciding whether the expression is a polynomial.

Related tags

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

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