College Algebra CLEP Prep Practice Exam

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Which of the following is a trinomial?

  1. x + 2

  2. x2 - 4

  3. 4x2 - 2x + 1

  4. x + 2x2

The correct answer is: 4x2 - 2x + 1

A trinomial is an algebraic expression that consists of three terms, unlike a binomial which has two terms. Option A and D only have two terms, therefore they cannot be trinomials. Option B has a polynomial of degree two, but it only has two terms, not three. Only option C has three terms, and all of them are of different degrees, making it a trinomial.

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