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14 February, 05:16

Which of these is a trinomial?

A. 2x^3 - 7y^3

B. 2x - 7

C. 5xy

D. x + 2y^2 - 7

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Answers (2)
  1. 14 February, 05:27
    0
    D is a trinomial because it contains 3 coefficients.
  2. 14 February, 09:06
    0
    A trinomial is an algebraic expression with three terms. choice A has only two terms, so is not a trinomial. Choice D has three terms, so is a trinomial. We are counting the number of terms, not the number of coefficients.
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