Question

Choose the correct option in Q. 1, 2, 3 and 4
Q.1 The co-efficient of z in -25xy2
z is _______
(a) 25y2
x (b) -25y2
x (c) -25xyz (d) 25xyz
Q.2 Which of the following is an algebraic expression?
(a) 3 × 8 – 7 (b) 8 ÷2 + 6 (c) 2x + 8 (d) none
Q.3 If p = 1, q = 2, r = 3 then the value of p2
+q2
+r2
is
(a) 8 (b) 26 (c) 14 (d) none
Q.4 The like terms in the expression 2x2 + y2
-3x2
– 7z2
x is
(a) 2x2
, -3x2
(b) 2x2
, 7x (c) -3x2
, 7x (d) y2
, z2
Q.5 Write down the terms of these algebraic expression
(i) 4a-6b (ii) 3xy – 4zx +7yz (iii) -6p – 4ab + 7pq – abc (iv) ax + 4by + 9cz
Q.6 Combine the following terms to form an algebraic expressions.
(i) 7xy, -4yz, 8xyz (ii) -4ac, -abc, 3ab (iii) –pqx, pq, -8r (iv) -11x, 14xy
Q.7 Identify the monomials, binomials and trinomials.
(i) pr – rst + 4sp (ii) 4abc (iii) 7xy + 4 xz (iv) 7by – 4ax + 3z
Q.8 Write down the coefficient of
(i) x in -3axy (ii) YZ in 4axbyz (iii) ABC in -5abcx2
(iv) ab in 13abc
Q.9 Write the numerical coefficient in each of the following terms
(i) 5abc (ii) –st (iii) -7xyza (iv) pqr

Answer 1

Answer:

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