Question

• The co-efficient of z in -25xyz is

(a) 25yx (b) -25y2x (c) -25xyz (d) 25xyz

• Which of the following is an algebraic expression?

(a) 3 × 8 – 7 (b) 8 ÷2 + 6 (c) 2x + 8 (d) none

• If p = 1, q = 2, r = 3 then the value of p2+q2+r2 is

(a) 8 (b) 26 (c) 14 (d) none

• Write down the terms of these algebraic expression

(i) 4a-6b (ii) 3xy – 4zx +7yz (iii) -6p – 4ab + 7pq – abc (iv) ax + 4by + 9cz

• Combine the following terms to form an algebraic expressions.

(i) 7xy, -4yz, 8xyz (ii) -4ac, -abc, 3ab (iii) –pqx, pq, -8r (iv) -11x, 14xy

• Identify the monomials, binomials and trinomials.

(i) pr – rst + 4sp (ii) 4abc (iii) 7xy + 4 xz (iv) 7by – 4ax + 3z

• Write down the coefficient of

(i) x in -3axy (ii) yz in 4axbyz (iii) abc in -5abcx (iv) ab in 13abc

• 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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