# MP Board Class 8th Maths Solutions Chapter 9 Algebraic Expressions and Identities Ex 9.1

## MP Board Class 8th Maths Solutions Chapter 9 Algebraic Expressions and Identities Ex 9.1

Question 1.
Identify the terms, their coefficients for each of the following expressions.
(i) 5xyz2 – 3zy
(ii) 1 + x + x2
(iii) 4x2y2 – 4x2y2z2 + z2
(iv) 3 – pq + qr – rp
(v) $$\frac{x}{2}+\frac{y}{2}-x y$$
(vi) 0.3a – 0.6ab + 0.5b
Solution:

Question 2.
Classify the following polynomials as monomials, binomials, trinomials. Which polynomials do not fit in any of these three categories?
x + y, 1000, x + x2 + x3 + x4, 7 + y + 5x, 2y – 3y2, 2y – 3y2 + 4y3, 5x – 4y + 3xy, 4z – 15z2, ab + bc + cd + da, pqr, p2q, 9a2, 2p + 2q
Solution:

Question 3.