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If (p(x)=0x^9+0x^4+0), which statement is correct about (p(x))?

Answer and explanation

Correct answer: It is the zero polynomial whose degree is not defined

Direct answer: Option C, the zero polynomial whose degree is not defined, is correct. First simplify each term: 0 times x^9 is 0, 0 times x^4 is 0, and the final constant 0 remains 0. Thus p(x) is the zero polynomial, not a polynomial with a surviving x^9 or x^4 term. The degree is the greatest exponent of x having a non-zero coefficient. Here every coefficient is zero, so there is no greatest non-zero-power term; in the school convention its degree is not defined. Option A is wrong because the x^9 coefficient is zero, so degree 9 cannot be used. Option B is wrong for the same reason: the x^4 coefficient is also zero. Option D is wrong because the expression equals zero, not the non-zero constant 1. Option C correctly separates the polynomial itself from its degree. Memory cue: for the zero polynomial, do not read the largest written exponent; look for the largest non-zero coefficient, and there is none.

Related tags

Definition-PolynomialZero-PolynomialZero-Coefficients

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