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What is the degree of the polynomial (p(x)=11x^6-4x^3+x-9)?

Answer and explanation

Correct answer: (6)

The degree of a nonzero polynomial is the greatest exponent of its variable that has a nonzero coefficient. In \(p(x)=11x^6-4x^3+x-9\), the exponents present are 6, 3, 1, and 0. The largest of these is 6, and its coefficient 11 is nonzero. Therefore the degree of the polynomial is 6, so option C is correct.

The degree is determined by the exponent, not by the numerical size of the coefficient. Thus the coefficient 11 does not make the degree 11. Likewise, the terms \(-4x^3\) and \(x\) have lower powers and do not control the degree. Always identify the highest power of the variable after ignoring zero coefficients.

Related tags

DegreeHighest PowerPolynomial

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