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in Algebraic Expressions by (65.2k points)

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

1 Answer

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Best answer

(i) 4y – 7z

This expression is binomial because it contains two terms. That is 4 y and -7z.

(ii) y2

This is monomial expression because it contains only one term y2.

(iii) x + y – xy

This is trinomial expression because it contains three terms x, y and -xy.

(iv) 100

This is a monomial expression because it contains only one term 100.

(v) ab – a – b

This is trinomial expression because it contains 3 terms ab, -a and -b.

(vi) 5 – 3t

This is binomial expression because it contains 2 terms 5 and -3t.

(vii) 4p2q – 4pq2

This is binomial expression because it contains two terms 4p2q and – 4 pq2

(viii) 7mn

This is monomial expression because it contains only one term 7mn.

(ix) z2 – 3z + 8

This is trinomial expression because it contains three terms z2, -3z and 8.

(x) a2 + b2

This is binomial expression because it contains two terms a2 and b2.

(xi) z2 + z

This is binomial expression because it contains 2 terms z2 and z.

(xii) 1 + x + x2

This is trinomial expression because it contains 3 terms 1, x and x2.

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