GIVING OUT MEDAL AND FAN

classify the following expressions (monomial, binomial, trinomial, polynomial)

x^2-4

y^2+5y+6

u^7-xy^4+9pr^4

Question

GIVING OUT MEDAL AND FAN

classify the following expressions (monomial, binomial, trinomial, polynomial) 

x^2-4

y^2+5y+6

u^7-xy^4+9pr^4

compassionate · Answer

a binomial has to the second power; a monomial has no powers; trinomial has a third power; and poly is 4 or more.

anonymous · Answer

so the third one would be a trinomial?

anonymous · Answer

what about if it has just one power? @Compassionate

anonymous · Answer

the first one would be binomial

anonymous · Answer

the second one is trinomial

anonymous · Answer

and so is the third, correct?

directrix · Answer

a binomial has 2 terms
 a monomial has 1 term
 trinomial has 3 terms
 and polynomial has  4 or more terms.

anonymous · Answer

were my answers correct? @Directrix