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Jacob902

  • one year ago

Which of the following is a trinomial with a constant term? A. 4x^2 - 3 + x B. 2x^2 - 7 C. -2 + 5x^3 D. 4x^5 + 2x - 2x^2

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  1. mathmate
    • one year ago
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    Tri = 3 (c.f. triangle = polygon with "three" sides).

  2. mathstudent55
    • one year ago
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    A constant term is a term consisting of only a number.

  3. mathstudent55
    • one year ago
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    C. only has two terms. That cannot be a trinomial. For this problem you need two things. You need a polynomial with 3 terms. One of the three terms must be a plain number with no variables multiplying it.

  4. mathstudent55
    • one year ago
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    Terms are separated by + signs. How many trinomials do you see in the choices?

  5. Jacob902
    • one year ago
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    the only one that his that is d .

  6. mathstudent55
    • one year ago
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    Notice that 4x^2 - 3 + x is really 4x^2 + (-3) + x, so you have three terms, 4x^2, -3, and x.

  7. mathstudent55
    • one year ago
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    D. is a trinomial. You are correct, but it's not the only one. A. is also a trinomial.

  8. mathstudent55
    • one year ago
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    Yes. The answer is A. bec A is a trianomial, and one of its terms is a constant (a plain number).

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