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5 May, 23:52

Which is true about the polynomial 18r2s + 6r - 7s2?

It is a binomial with a degree of 2.

It is a binomial with a degree of 3.

It is a trinomial with a degree of 2.

It is a trinomial with a degree of 3.

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Answers (2)
  1. 5 May, 23:54
    0
    It is a trinomial with a degree of 3.

    It is a trinomial because there are 3 terms: 18r^2s, 6r, and - 7s^2.

    It has a degree of 3 because the first term has r^2+s^1 and 2+1=3
  2. 6 May, 00:18
    0
    Polynomial has 3 terms and term 18r²s has largest degree [2+1=3], so answer is:

    It is a trinomial with a degree of 3.
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