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Algebra Model Question Paper

8th Standard EM

    Reg.No. :
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Maths

Time : 01:00:00 Hrs
Total Marks : 40
    5 x 1 = 5
  1. The missing terms in the product -3m3n X9(_)m4n3 are

    (a)

    mn2,27

    (b)

    m2n,27

    (c)

    m2n2,-27

    (d)

    mn2,-27

  2. If the area of a rectangular land is(a2-b2)− sq.units whose breadth is()ab− then, its length is__________

    (a)

    a-b

    (b)

    a+b

    (c)

    a2-b

    (d)

    (a+b)2

  3. In a polynomial, the exponents of the variables are always ___________.

    (a)

    integers

    (b)

    positive integers

    (c)

    non negative integers

    (d)

    non-positive integers

  4. Product of 4p, -7q3, -7pq is _________.

    (a)

    196p2q4

    (b)

    196pq4

    (c)

    -196p2q4

    (d)

    196pq4

  5. Square of (3x - 4y) is _______.

    (a)

    9x2-16y2

    (b)

    6x2-8y2

    (c)

    9x2+ 16y2 + 24xy

    (d)

    9x2 + 16y2-24xy

  6. 5 x 2 = 10
  7. Multiply a monomial by a monomial 
    -2m2,(-5,)3

  8. Expand 5x(2y− 3)

  9. Find the missing term _________×(−15m2n3p)= 45m3n3p2

  10. Find the product of the following
    (4a,3a2)

  11. Divide 6x3y2z2 by 3x2yz

  12. 5 x 3 = 15
  13. Find the product of 2x2y2,3y2z and –z2x3

  14. Expand (y-5)3

  15. Expand (x+4)3

  16. Find the product of the following
    \({ 4x }^{ 2 }yzby\cfrac { 3 }{ 2 } { x }^{ 2 }{ yz }^{ 2 }\)

  17. Find the product of the following.
    \(\cfrac { -8 }{ 5 } { x }^{ 2 }{ yz }^{ 2 }by-\cfrac { 3 }{ 4 } { xy }^{ 2 }z\)

  18. 2 x 5 = 10
  19. Factoris x2+8x+15

  20. Factorize
    9-a6+2a3-b6

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