Q.1 Solve the following question :-
a)Classify the following algebraic
expressions as monomials, binomials, trinomials or polynomials.
(i) 7x (ii)
5y − 7z(iii) 3x3 −5x2 −11
(iv) 1 −8a−7a 2−7a3
(v) 5m−3(vi) a(vii) 4
b) Add.
(i) 9p +
16q ; 13p + 2q (ii)
2a + 6b + 8c; 16a+ 13c+ 18b
c) Subtract the second expression from the
first.
(i) (4xy−9z) ; (3xy − 16z)(ii) (5x + 4y + 7z) ; (x + 2y + 3z)
d)Multiply.
(i) 16xy ×
18xy(ii) 23xy2 × 4yz2
e) A rectangle is (8x + 5) cm long and (5x + 3) cm broad. Find its area.
