Is the expression 2y-5+3y^2 a polynomial?

1 Answer
Somebody N.
Aug 22, 2017

It's a trinomial.

Explanation:

It can be expressed as 3y^2 + 2y^1 - 5y^0 which has 3 terms. polynomials are expressions with more than 3 terms when written in descending powers.
Example: x^5 + 2x^4 -0x^3 +0x^2 +0x^1 +0x^0 would not be a binomial, because it has more than two terms when written in descending powers and using zero coefficients.

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