alleryStart learning →The constant 9 is a polynomial whose degree is:
AExactly nine
BExactly one
CUndefined
DExactly zero
Answer & Solution
Correct answer: D. Exactly zero
1. A lone constant is still a polynomial.
2. A monomial, or monomials combined by addition or subtraction, is a polynomial.
3. The degree of a polynomial is the highest degree of all its terms.
4. Its only term is the constant 9.
5. The degree of a constant is 0 because it has no variable.
_Source: OpenStax Elementary Algebra 2e (CC BY 4.0), Ch 6 'Polynomials', sections 6.1-6.8_
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