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Which powers are present in 2x⁴ + 5x² + 1?

Answer and explanation

Correct answer: 4, 2, 0

The governing rule is that the power of a term is the exponent of the variable, while a nonzero constant is treated as having power 0. Thus 2x⁴ contributes power 4, 5x² contributes power 2, and 1 contributes power 0. The coefficient numbers 2 and 5 are not powers, so option A is correct; the other choices confuse coefficients or introduce powers not present.

Related tags

PolynomialPowersConstant-TermExponentsDefinition Of A PolynomialIntroduction To PolynomialsMathematicsClass 9 Mcq

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