Question

Which one of these is a trinomial ?
A. x+2y^2-7
B. 2x^3-7y^3
C. 2x-7
D. 5xy

Answer 1

Option A)

Explanation:

A trinomial is an expression that has 3 terms.

Option A)

`x+2y^2-7` has 3 terms. This is correct.

Option B)

`2x^3-7y^3` has 2 terms. This is a binomial, which is incorrect.

Option C)

`2x-7` has 2 terms. This is a binomial, which is incorrect.

Option D)

`5xy` has 1 term. This is a monomial, which is incorrect.

Hope this helps! :)

Answer 2

a

Explanation:

Trinomials are algebraic expressions with three terms

1. x

2. 2y^2

3. 7