EduSahara™ Assignment
Name : Polynomial Division1
Chapter : Polynomials and Factorisation
Grade : SSC Grade IX
License : Non Commercial Use
Question 1
1.
    • The quotient when
    • 6
      i
    • is divided by
    • (
      7
      )
    • is
  • (i)
    (
    4

    7
    i
    )
  • (ii)
    (
    6

    7
    i
    )
  • (iii)
    (
    2

    3
    i
    )
  • (iv)
    (
    8

    7
    i
    )
  • (v)
    (
    6

    5
    i
    )
Question 2
2.
    • The quotient when
    • 8
      v
      2
       
    • is divided by
    • (
      v
      +
      8
      )
    • is
  • (i)
    (
    11
    v
    64
    )
  • (ii)
    (
    9
    v
    64
    )
  • (iii)
    (
    5
    v
    64
    )
  • (iv)
    (
    7
    v
    64
    )
  • (v)
    (
    8
    v
    64
    )
Question 3
3.
    • The quotient when
    • (
      6
      r
      +
      4
      )
    • is divided by
    • (
      r
      +
      8
      )
    • is
  • (i)
    9
  • (ii)
    6
  • (iii)
    7
  • (iv)
    5
  • (v)
    3
Question 4
4.
    • The quotient when
    • (
      6
      z
      2
       
      +
      3
      z
      +
      9
      )
    • is divided by
    • (
      z
      +
      8
      )
    • is
  • (i)
    (
    3
    z
    45
    )
  • (ii)
    (
    5
    z
    45
    )
  • (iii)
    (
    9
    z
    45
    )
  • (iv)
    (
    6
    z
    45
    )
  • (v)
    (
    7
    z
    45
    )
Question 5
5.
    • The quotient when
    • (
      f
      2
       
      3
      f
      )
    • is divided by
    • (
      f
      +
      6
      )
    • is
  • (i)
    3
  • (ii)
    (
    2
    f
    +
    3
    )
  • (iii)
    (
    4
    f
    +
    3
    )
  • (iv)
    (
    2
    f
    +
    3
    )
  • (v)
    (
    f
    +
    3
    )
Question 6
6.
    • The quotient when
    • (
      9
      h
      3
       
      +
      5
      h
      2
       
      +
      8
      )
    • is divided by
    • (
      h
      2
       
      3
      h
      18
      )
    • is
  • (i)
    (
    6
    h
    22
    )
  • (ii)
    (
    10
    h
    22
    )
  • (iii)
    (
    8
    h
    22
    )
  • (iv)
    (
    9
    h
    22
    )
  • (v)
    (
    11
    h
    22
    )
Question 7
7.
    • The quotient when
    • (
      8
      b
      4
       
      +
      6
      b
      3
       
      8
      b
      2
       
      2
      b
      +
      3
      )
    • is divided by
    • (
      b
      2
       
      +
      4
      b
      12
      )
    • is
  • (i)
    (
    6
    b
    2
     
    +
    38
    b
    256
    )
  • (ii)
    (
    9
    b
    2
     
    +
    38
    b
    256
    )
  • (iii)
    (
    8
    b
    2
     
    +
    38
    b
    256
    )
  • (iv)
    (
    7
    b
    2
     
    +
    38
    b
    256
    )
  • (v)
    (
    11
    b
    2
     
    +
    38
    b
    256
    )
Question 8
8.
    • The quotient when
    • (
      3
      g
      5
       
      9
      g
      4
       
      g
      3
       
      +
      g
      2
       
      +
      7
      g
      8
      )
    • is divided by
    • (
      g
      +
      4
      )
    • is
  • (i)
    (
    3
    g
    4
     
    +
    3
    g
    3
     
    13
    g
    2
     
    +
    53
    g
    205
    )
  • (ii)
    (
    2
    g
    4
     
    +
    3
    g
    3
     
    13
    g
    2
     
    +
    53
    g
    205
    )
  • (iii)
    (
    4
    g
    4
     
    +
    3
    g
    3
     
    13
    g
    2
     
    +
    53
    g
    205
    )
  • (iv)
    (
    5
    g
    4
     
    +
    3
    g
    3
     
    13
    g
    2
     
    +
    53
    g
    205
    )
  • (v)
    (
    3
    g
    3
     
    13
    g
    2
     
    +
    53
    g
    205
    )
Question 9
9.
    • The remainder when
    • 7
      y
    • is divided by
    • 5
    • is
  • (i)
    (
    1
    )
  • (ii)
    0
  • (iii)
    1
  • (iv)
    (
    2
    )
  • (v)
    2
Question 10
10.
    • The remainder when
    • (
      w
      4
       
      +
      3
      w
      3
       
      w
      3
      )
    • is divided by
    • (
      w
      2
       
      14
      w
      +
      45
      )
    • is
  • (i)
    (
    1031
    w
    +
    4902
    )
  • (ii)
    (
    1033
    w
    +
    4902
    )
  • (iii)
    (
    1032
    w
    +
    4902
    )
  • (iv)
    (
    1034
    w
    +
    4902
    )
  • (v)
    (
    1030
    w
    +
    4902
    )
Question 11
11.
    • (
      3
      x
      3
       
      +
      9
      x
      6
      )
    • ÷
    • (
      3
      x
      2
       
      6
      x
      +
      3
      )
    • =
  • (i)
    (
    2
    )
  • (ii)
    (
    x
    2
    )
  • (iii)
    (
    2
    x
    2
    )
  • (iv)
    (
    x
    +
    2
    )
  • (v)
    (
    x
    2
    )
Question 12
12.
    • (
      6
      x
      4
       
      +
      20
      x
      3
       
      20
      x
      +
      6
      )
    • ÷
    • (
      6
      x
      3
       
      +
      2
      x
      2
       
      +
      6
      x
      2
      )
    • =
  • (i)
    (
    3
    )
  • (ii)
    (
    2
    x
    3
    )
  • (iii)
    (
    x
    3
    )
  • (iv)
    (
    x
    3
    )
  • (v)
    (
    x
    +
    3
    )
Question 13
13.
    • (
      4
      x
      5
       
      20
      x
      4
       
      23
      x
      3
       
      +
      29
      x
      2
       
      +
      72
      x
      +
      36
      )
    • divided by
    • (
      2
      x
      3
       
      +
      9
      x
      2
       
      +
      13
      x
      +
      6
      )
    • =
  • (i)
    (
    2
    x
    2
     
    +
    x
    +
    6
    )
  • (ii)
    (
    2
    x
    2
     
    +
    6
    )
  • (iii)
    (
    2
    x
    2
     
    x
    +
    6
    )
  • (iv)
    (
    2
    x
    2
     
    2
    x
    +
    6
    )
  • (v)
    (
    2
    x
    2
     
    x
    6
    )
Question 14
14.
    • (
      16
      x
      3
       
      y
      3
       
      +
      80
      x
      2
       
      y
      3
       
      )
    • ÷
    • 4
      x
      y
    • =
  • (i)
    (
    4
    x
    2
     
    y
    2
     
    +
    20
    x
    y
    3
     
    z
    )
  • (ii)
    (
    4
    x
    2
     
    y
    2
     
    +
    20
    x
    y
    2
     
    )
  • (iii)
    (
    4
    x
    2
     
    y
    2
     
    +
    20
    y
    3
     
    )
  • (iv)
    (
    4
    x
    3
     
    y
    3
     
    +
    20
    x
    y
    2
     
    )
  • (v)
    (
    4
    x
    3
     
    y
    4
     
    +
    20
    x
    y
    2
     
    )
Question 15
15.
    • (
      1764
      x
      4
       
      y
      3
       
      z
      3
       
      +
      36
      x
      3
       
      y
      3
       
      z
      3
       
      +
      252
      x
      3
       
      y
      2
       
      z
      2
       
      )
    • ÷
    • 6
      x
      2
       
      y
      z
    • =
  • (i)
    (
    294
    x
    2
     
    y
    2
     
    z
    2
     
    +
    6
    x
    y
    3
     
    z
    3
     
    +
    42
    x
    y
    z
    )
  • (ii)
    (
    294
    x
    2
     
    y
    2
     
    z
    2
     
    +
    42
    x
    y
    z
    +
    6
    y
    3
     
    z
    2
     
    )
  • (iii)
    (
    294
    x
    3
     
    y
    3
     
    z
    2
     
    +
    6
    x
    y
    2
     
    z
    2
     
    +
    42
    x
    y
    z
    )
  • (iv)
    (
    294
    x
    2
     
    y
    2
     
    z
    2
     
    +
    6
    x
    y
    2
     
    z
    2
     
    +
    42
    x
    y
    z
    )
  • (v)
    (
    294
    x
    3
     
    y
    4
     
    z
    2
     
    +
    6
    x
    y
    2
     
    z
    2
     
    +
    42
    x
    y
    z
    )
Question 16
16.
    • Factorize and divide
    • (
      576
      x
      4
       
      976
      x
      2
       
      +
      400
      )
    • ÷
    • (
      24
      x
      2
       
      44
      x
      +
      20
      )
  • (i)
    (
    23
    x
    2
     
    +
    44
    x
    +
    20
    )
  • (ii)
    (
    25
    x
    2
     
    +
    44
    x
    +
    20
    )
  • (iii)
    (
    27
    x
    2
     
    +
    44
    x
    +
    20
    )
  • (iv)
    (
    24
    x
    2
     
    +
    44
    x
    +
    20
    )
  • (v)
    (
    21
    x
    2
     
    +
    44
    x
    +
    20
    )
Question 17
17.
    • Factorize and divide
    • (
      18
      x
      4
       
      45
      x
      3
       
      504
      x
      2
       
      +
      801
      x
      270
      )
    • ÷
    • (
      x
      2
       
      +
      x
      +
      30
      )
  • (i)
    (
    18
    x
    2
     
    +
    9
    x
    +
    9
    )
  • (ii)
    (
    18
    x
    2
     
    +
    27
    x
    9
    )
  • (iii)
    (
    18
    x
    2
     
    9
    x
    +
    9
    )
  • (iv)
    (
    18
    x
    2
     
    27
    x
    9
    )
  • (v)
    (
    3
    x
    2
     
    21
    x
    +
    18
    )
Question 18
18.
    • Which of the following are true ?
a)
If p(x) is divided by (x - a), the remainder is p(a)
b)
If the degree of p(x) is less then the degree of d(x), we should not divide p(x) with d(x)
c)
If p(a) = 0, then (x + a) perfectly divides p(x)
d)
Division of a polynomial with another polynomial stops when the degree of the remainder equals the degree of the divisor
  • (i)
    {c,d,a}
  • (ii)
    {d,b}
  • (iii)
    {c,b,a}
  • (iv)
    {c,a}
  • (v)
    {a,b}
Question 19
19.
    • (
      12
      x
      4
       
      +
      20
      x
      3
       
      )
    • ÷
    • 4
      x
      2
       
  • (i)
    (
    2
    x
    2
     
    +
    5
    x
    )
  • (ii)
    (
    3
    x
    2
     
    +
    6
    x
    )
  • (iii)
    (
    3
    x
    2
     
    +
    5
    x
    )
  • (iv)
    (
    3
    x
    2
     
    5
    x
    )
  • (v)
    (
    3
    x
    2
     
    +
    5
    x
    )
Question 20
20.
    • (
      12
      x
      4
       
      +
      20
      x
      3
       
      +
      8
      x
      2
       
      )
    • ÷
    • (
      3
      x
      2
       
      +
      2
      x
      )
  • (i)
    (
    4
    x
    2
     
    +
    4
    x
    )
  • (ii)
    (
    3
    x
    2
     
    +
    4
    x
    )
  • (iii)
    (
    4
    x
    2
     
    +
    4
    x
    )
  • (iv)
    (
    4
    x
    2
     
    +
    5
    x
    )
  • (v)
    (
    4
    x
    2
     
    4
    x
    )
Question 21
21.
    • (
      2
      x
      4
       
      +
      x
      3
       
      77
      x
      2
       
      196
      x
      )
    • ÷
    • (
      2
      x
      2
       
      7
      x
      49
      )
  • (i)
    (
    x
    2
     
    +
    4
    x
    )
  • (ii)
    (
    x
    2
     
    +
    3
    x
    )
  • (iii)
    (
    x
    2
     
    +
    4
    x
    )
  • (iv)
    (
    x
    2
     
    +
    5
    x
    )
  • (v)
    (
    x
    2
     
    4
    x
    )
    Assignment Key

  •  1) (ii)
  •  2) (v)
  •  3) (ii)
  •  4) (iv)
  •  5) (v)
  •  6) (iv)
  •  7) (iii)
  •  8) (i)
  •  9) (ii)
  •  10) (iii)
  •  11) (ii)
  •  12) (iii)
  •  13) (iii)
  •  14) (ii)
  •  15) (iv)
  •  16) (iv)
  •  17) (ii)
  •  18) (v)
  •  19) (v)
  •  20) (iii)
  •  21) (iii)