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Which of the following is a monomial?

A. 3x2 + 2x − 1
B. 4
C. 3x + 4
D. 2x − 1

1 Answer

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"mono" means 1 or single. In algebra, a monomial is any number that is alone or by itself. For this question, among the choices, the monomial is the number 4. Therefore the answer to this question is letter B. 4.
User Sean Gillespie
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