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CBSE Questions for Class 8 Maths Algebraic Expressions And Identities Quiz 5 - MCQExams.com

Find the square of:
391
  • 154881
  • 153881
  • 152881
  • 151881
Find the square of: (3a+7b).
  • 9a2+12ab+22b2
  • 9a2+2ab49b2
  • 9a2+42ab+49b2
  • 9a242ab+9b2
Find the square of: 2a+b.
  • 4a24b+b3
  • a2+4ab+b3
  • a24b+b2
  • 4a2+4ab+b2
Find the square of the following number: 998
  • 9,96,004
  • 9,15,004
  • 9,77,004
  • 9,83,004
Find the square of:
607
  • 368549
  • 368449
  • 368349
  • 368249
Multiply 2x, 5y2 and z2
  • 5xyz2 
  • 2xyz2 
  • 5xy2z 
  • none of these
Evaluate: (4a+3b)2(4a3b)2+48ab.
  • 76ab
  • 96ab
  • 46ab
  • 106ab
Evaluate: (2x77y4)2.
  • (4x232+49y216+xy)
  • (4x215+49y216+xy)
  • (4x249+49y216xy)
  • (4x219+49y216xy)
Evaluate: (78x+45y)2.
  • 4964x2+625y2+75xy
  • 1877x2+165y2+15xy
  • 1322x2+1625y2+15xy
  • 4964x2+1625y2+75xy
The product of (4p53) and (5p86) is
  • p22+26740p18
  • p2226740p18
  • p22+26740p+18
  • p2226740p+18
Simplify the following expression : x(yz)y(zx)z(xy)
  • 2x(yz)
  • 2y(zx)
  • 2x(zy)
  • None
(15x16y)(5x+6y) is equal to
  • x211xy30y2
  • x2+11xy30y2
  • x2+11xy30+y2
  • x211xy30+y2
Find the product: (3axy)×(15a2xy2z)
  • 45a3x2y3z
  • 45a2x2y2
  • 45a3x2y3z
  • 45ax2y2z
(z2+13)(z25) is equal to
  • 2z4+18z28
  • z4+8z265
  • z48z265
  • z4+8z2+65
Simplify:(pq)2+4pq.
  • p2q2
  • (p+q)2
  • (2pq)2
  • (2p2q)2
The product of 4a2,6b2 and 3a2b2 is
  • a2b2
  • 13a4b4
  • 72a4b4
  • a4b4
When a2b(a3a+1)ab(a42a2+2a)b(a3a21) is simplified, the answer is
  • a2b
  • ab
  • b
  • 0
The value of (x+4)(x+3)(x4)(x3) is equal to
  • 2x214x+24
  • 2x2+14x24
  • 14x
  • 24
(25ab+c)(25abc) is equal to
  • 425a2b245abc+c2
  • 425a2b2+45abc+c2
  • 425a2b2c2
  • 425a2b2+c2
(ab)(ba) is equal to
  • a2+b2
  • b2a2
  • a2b2
  • (b2+a2)
(x+4)(x4)(x2+16) is equal to:
  • x264
  • x464
  • x4256
  • x2256
(mxny)(mxny)=_____
  • m2x2+2mxnyn2y2
  • m2x22mxnyn2y2
  • m2x22mxny+n2y2
  • m2x2+2mxny+n2y2
The product of (15x216y2) and (5x2+6y2) is
  • 1
  • x4+1160x2y2+y4
  • x4+1130x2y2y4
  • x41130x2y2y4
The product of (3x25x+6) and 8x3  when x=0 is
  • 12
  • 2
  • 1
  • 0
(a+b)2(ba)2=______
  • (2a+2b)
  • (2a2b)
  • 4ab
  • 4ab
The value of (501)2(500)2 is :
  • 1
  • 101
  • 1,001
  • None of these
Find the product of the following pairs of monomials:
4,7p
  • 13p2
  • 22p2
  • 28p
  • 8p
Find the product of the following pairs of monomials:
4p,7p
  • 28p2
  • 14p2
  • 12p2
  • 16p2
a2+4a+4 =
  • (a+2)2
  • (a+1)2
  • (a2)2
  • (a1)2

Find the missing term in the following problem:

(3x44y3)2=9x216+..........+16y29.

  • 2xy
  • 2xy
  • 12xy
  • 12xy
0:0:2


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