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What is the degree of 0x^9 + 0x^5 + 0x + 13?

Answer and explanation

Correct answer: 0

The key rule is that a term with a zero coefficient contributes nothing to a polynomial. Thus 0x^9 = 0, 0x^5 = 0, and 0x = 0, leaving the non-zero constant polynomial 13. A non-zero constant can be written as 13x^0, so its degree is 0. Therefore, option D is correct. The visible exponents 9, 5, and 1 do not determine the degree because their coefficients are all zero and those terms disappear. This must be distinguished from the zero polynomial: if every term vanished and the expression were exactly 0, its degree would generally be undefined. Here 13 remains, so the degree is unambiguously zero.

Related tags

Degree Of PolynomialZero CoefficientsConstant PolynomialClass 9Degree Of A PolynomialIntroduction To PolynomialsMathematicsClass 9 Mcq

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