##### Classify into monomials, binomials and trinomials.(i) 4y – 7z(ii) y2(iii) x + y – xy(iv) 100(v) ab – a – b(vi) 5 – 3t(vii) 4p2q – 4pq2(viii) 7mn(ix) z2 -3z + 8(x) a2 + b2(xi) z2 + z(xii) 1 + x + x2

(i) 4y – 7z

As the expression contains two terms expression is Binomial.

(ii) y2

As the expression contains one term expression is Monomial

(iii) x + y – xy

As the expression contains three terms expression is Trinomial

(iv) 100 is a constant polynomial.

As the expression contains one term expression is Monomial

(v) ab – a – b

As the expression contains three terms expression is Trinomial

(vi) 5 – 3t

As the expression contains two terms expression is Binomial

(vii) 4p2q – 4pq2.

As the expression contains two terms expression is Binomial

(viii) 7mn

As the expression contains one term expression is Monomial

(ix) z2 -3z + 8

As the expression contains three terms expression is Trinomial.

(x) a2 + b2

As the expression contains two terms expression is Binomial

(xi) z2 + z

As the expression contains two terms expression is Binomial

(xii) 1 + x + x2

As the expression contains three terms expression is Trinomial

8