# Write the terms and the number of terms of the expression: xy + yz + xx.

## Answers

**Answer:**

The monomials, binomials, trinomials and quadrinomials are as follows.

(i) a2 is a monomial expression as it contains one term only.

(ii) a2 − b2 is a binomial expression as it contains two terms.

(iii) x3 + y3 + z3 is a trinomial expression as it contains three terms.

(iv) x3 + y3 + z3 + 3xyz is a quadrinomial expression as it contains four terms.

(v) 7 + 5 = 12 is a monomial expression as it contains one term only.

(vi) abc + 1 is a binomial expression as it contains two terms.

(vii) 3x – 2 + 5 = 3x + 3 is a binomial expression as it contains two terms.

(viii) 2x – 3y + 4 is a trinomial expression as it contains three terms.

(ix) xy + yz + zx is a trinomial expression as it contains three terms.

(x) ax3 + bx2 + cx + d is a quadrinomial expression as it contains four te

**Step-by-step explanation:**