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What type of polynomial is (12) considered?

Answer and explanation

Correct answer: Constant polynomial

The direct answer is C, constant polynomial. The expression is the number 12 alone, so it has no variable. A constant polynomial has a fixed value and can be understood as 12x^0; its degree is 0 because the highest non-zero power is 0. Option A, zero polynomial, is incorrect because the zero polynomial is 0, not 12. Option B, linear polynomial, is incorrect because a linear polynomial must have degree 1 and normally contains a term such as 5x. Option C is correct: 12 is a non-zero constant polynomial, and its value remains 12 for every permitted value of x. Option D, cubic polynomial, is incorrect because a cubic polynomial has degree 3, with a non-zero term such as x^3. The absence of a variable is the important clue, not the size of the number. Exam reminder: a non-zero number written alone is constant of degree 0; do not call it zero merely because it has no variable.

Related tags

Definition-PolynomialConstant-PolynomialDegree-Zero

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