Question

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.

Answer 1

Answer: Choice D. It is a trinomial with a degree of 3

Explanation:

Answer 2

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