EduSahara™ Assignment
Name : Polynomial Division1
Chapter : Polynomials and Factorisation
Grade : SSC Grade IX
License : Non Commercial Use
Question 1
1.
    • The quotient when
    • h
    • is divided by
    • 8
    • is
  • (i)
    1

    6
    h
  • (ii)
    3

    8
    h
  • (iii)
    (
    1

    8
    h
    )
  • (iv)
    1

    8
    h
  • (v)
    1

    10
    h
Question 2
2.
    • The quotient when
    • (
      9
      y
      2
       
      )
    • is divided by
    • (
      y
      +
      6
      )
    • is
  • (i)
    (
    10
    y
    +
    54
    )
  • (ii)
    (
    8
    y
    +
    54
    )
  • (iii)
    (
    7
    y
    +
    54
    )
  • (iv)
    (
    9
    y
    +
    54
    )
  • (v)
    (
    11
    y
    +
    54
    )
Question 3
3.
    • The quotient when
    • (
      4
      n
      7
      )
    • is divided by
    • (
      n
      6
      )
    • is
  • (i)
    6
  • (ii)
    3
  • (iii)
    5
  • (iv)
    4
  • (v)
    2
Question 4
4.
    • The quotient when
    • (
      5
      j
      2
       
      2
      j
      +
      2
      )
    • is divided by
    • (
      j
      +
      8
      )
    • is
  • (i)
    (
    8
    j
    42
    )
  • (ii)
    (
    2
    j
    42
    )
  • (iii)
    (
    4
    j
    42
    )
  • (iv)
    (
    6
    j
    42
    )
  • (v)
    (
    5
    j
    42
    )
Question 5
5.
    • The quotient when
    • (
      2
      c
      2
       
      8
      c
      )
    • is divided by
    • (
      c
      7
      )
    • is
  • (i)
    (
    3
    c
    22
    )
  • (ii)
    (
    c
    22
    )
  • (iii)
    (
    4
    c
    22
    )
  • (iv)
    (
    2
    c
    22
    )
  • (v)
    (
    c
    22
    )
Question 6
6.
    • The quotient when
    • (
      4
      v
      3
       
      2
      v
      2
       
      6
      v
      )
    • is divided by
    • (
      v
      2
       
      6
      v
      +
      5
      )
    • is
  • (i)
    (
    5
    v
    26
    )
  • (ii)
    (
    3
    v
    26
    )
  • (iii)
    (
    4
    v
    26
    )
  • (iv)
    (
    6
    v
    26
    )
  • (v)
    (
    2
    v
    26
    )
Question 7
7.
    • The quotient when
    • (
      4
      y
      4
       
      +
      8
      y
      3
       
      +
      8
      y
      2
       
      +
      2
      y
      +
      6
      )
    • is divided by
    • (
      y
      2
       
      +
      10
      y
      +
      9
      )
    • is
  • (i)
    (
    4
    y
    2
     
    +
    48
    y
    436
    )
  • (ii)
    (
    3
    y
    2
     
    +
    48
    y
    436
    )
  • (iii)
    (
    5
    y
    2
     
    +
    48
    y
    436
    )
  • (iv)
    (
    y
    2
     
    +
    48
    y
    436
    )
  • (v)
    (
    7
    y
    2
     
    +
    48
    y
    436
    )
Question 8
8.
    • The quotient when
    • (
      b
      5
       
      4
      b
      4
       
      +
      7
      b
      3
       
      b
      2
       
      5
      b
      5
      )
    • is divided by
    • (
      b
      4
      )
    • is
  • (i)
    (
    4
    b
    4
     
    8
    b
    3
     
    25
    b
    2
     
    101
    b
    409
    )
  • (ii)
    (
    2
    b
    4
     
    8
    b
    3
     
    25
    b
    2
     
    101
    b
    409
    )
  • (iii)
    (
    b
    4
     
    8
    b
    3
     
    25
    b
    2
     
    101
    b
    409
    )
  • (iv)
    (
    2
    b
    4
     
    8
    b
    3
     
    25
    b
    2
     
    101
    b
    409
    )
  • (v)
    (
    8
    b
    3
     
    25
    b
    2
     
    101
    b
    409
    )
Question 9
9.
    • The remainder when
    • 2
      u
    • is divided by
    • (
      9
      )
    • is
  • (i)
    1
  • (ii)
    (
    3
    )
  • (iii)
    2
  • (iv)
    0
  • (v)
    (
    1
    )
Question 10
10.
    • The remainder when
    • (
      q
      3
       
      +
      7
      q
      2
       
      6
      q
      +
      4
      )
    • is divided by
    • (
      q
      +
      7
      )
    • is
  • (i)
    47
  • (ii)
    49
  • (iii)
    45
  • (iv)
    43
  • (v)
    46
Question 11
11.
    • (
      6
      x
      3
       
      +
      18
      x
      2
       
      18
      x
      +
      6
      )
    • ÷
    • (
      2
      x
      2
       
      +
      4
      x
      2
      )
    • =
  • (i)
    (
    2
    x
    3
    )
  • (ii)
    (
    3
    x
    3
    )
  • (iii)
    (
    3
    x
    +
    3
    )
  • (iv)
    (
    3
    x
    3
    )
  • (v)
    (
    4
    x
    3
    )
Question 12
12.
    • (
      36
      x
      4
       
      102
      x
      3
       
      60
      x
      2
       
      +
      42
      x
      +
      36
      )
    • ÷
    • (
      18
      x
      3
       
      24
      x
      2
       
      +
      6
      x
      +
      12
      )
    • =
  • (i)
    (
    2
    x
    +
    3
    )
  • (ii)
    (
    2
    x
    +
    3
    )
  • (iii)
    (
    3
    x
    +
    3
    )
  • (iv)
    (
    x
    +
    3
    )
  • (v)
    (
    2
    x
    3
    )
Question 13
13.
    • (
      12
      x
      5
       
      +
      32
      x
      4
       
      5
      x
      3
       
      47
      x
      2
       
      4
      x
      +
      12
      )
    • divided by
    • (
      3
      x
      3
       
      5
      x
      2
       
      +
      4
      x
      +
      4
      )
    • =
  • (i)
    (
    4
    x
    2
     
    3
    x
    +
    3
    )
  • (ii)
    (
    4
    x
    2
     
    4
    x
    +
    3
    )
  • (iii)
    (
    4
    x
    2
     
    +
    4
    x
    +
    3
    )
  • (iv)
    (
    4
    x
    2
     
    5
    x
    +
    3
    )
  • (v)
    (
    4
    x
    2
     
    4
    x
    3
    )
Question 14
14.
    • (
      32
      x
      3
       
      y
      3
       
      +
      16
      x
      2
       
      y
      3
       
      )
    • ÷
    • 4
      x
      y
      2
       
    • =
  • (i)
    (
    8
    x
    2
     
    y
    +
    4
    y
    2
     
    )
  • (ii)
    (
    8
    x
    2
     
    y
    +
    4
    x
    y
    2
     
    z
    )
  • (iii)
    (
    8
    x
    3
     
    y
    3
     
    +
    4
    x
    y
    )
  • (iv)
    (
    8
    x
    2
     
    y
    +
    4
    x
    y
    )
  • (v)
    (
    8
    x
    3
     
    y
    2
     
    +
    4
    x
    y
    )
Question 15
15.
    • (
      360
      x
      4
       
      y
      4
       
      z
      4
       
      +
      36
      x
      4
       
      y
      4
       
      z
      3
       
      +
      180
      x
      3
       
      y
      4
       
      z
      3
       
      )
    • ÷
    • 6
      x
      2
       
      y
      2
       
      z
      2
       
    • =
  • (i)
    (
    60
    x
    3
     
    y
    4
     
    z
    2
     
    +
    6
    x
    2
     
    y
    2
     
    z
    +
    30
    x
    y
    2
     
    z
    )
  • (ii)
    (
    60
    x
    2
     
    y
    2
     
    z
    2
     
    +
    6
    x
    2
     
    y
    2
     
    z
    +
    30
    x
    y
    2
     
    z
    )
  • (iii)
    (
    60
    x
    3
     
    y
    3
     
    z
    2
     
    +
    6
    x
    2
     
    y
    2
     
    z
    +
    30
    x
    y
    2
     
    z
    )
  • (iv)
    (
    6
    x
    2
     
    y
    3
     
    z
    2
     
    +
    60
    x
    2
     
    y
    2
     
    z
    2
     
    +
    30
    x
    y
    2
     
    z
    )
  • (v)
    (
    60
    x
    2
     
    y
    2
     
    z
    2
     
    +
    6
    x
    y
    3
     
    z
    +
    30
    x
    y
    2
     
    z
    )
Question 16
16.
    • Factorize and divide
    • (
      400
      x
      4
       
      964
      x
      2
       
      +
      144
      )
    • ÷
    • (
      20
      x
      2
       
      22
      x
      12
      )
  • (i)
    (
    21
    x
    2
     
    +
    22
    x
    12
    )
  • (ii)
    (
    23
    x
    2
     
    +
    22
    x
    12
    )
  • (iii)
    (
    19
    x
    2
     
    +
    22
    x
    12
    )
  • (iv)
    (
    20
    x
    2
     
    +
    22
    x
    12
    )
  • (v)
    (
    17
    x
    2
     
    +
    22
    x
    12
    )
Question 17
17.
    • Factorize and divide
    • (
      4
      x
      4
       
      +
      5
      x
      3
       
      +
      82
      x
      2
       
      23
      x
      60
      )
    • ÷
    • (
      x
      2
       
      +
      x
      +
      20
      )
  • (i)
    (
    4
    x
    2
     
    +
    7
    x
    +
    3
    )
  • (ii)
    (
    4
    x
    2
     
    x
    3
    )
  • (iii)
    (
    4
    x
    2
     
    7
    x
    +
    3
    )
  • (iv)
    (
    4
    x
    2
     
    19
    x
    12
    )
  • (v)
    (
    4
    x
    2
     
    +
    x
    3
    )
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)
Division of a polynomial with another polynomial stops when the degree of the remainder equals the degree of the divisor
d)
If p(a) = 0, then (x + a) perfectly divides p(x)
  • (i)
    {d,b}
  • (ii)
    {c,a}
  • (iii)
    {a,b}
  • (iv)
    {c,d,a}
  • (v)
    {c,b,a}
Question 19
19.
    • (
      25
      x
      3
       
      +
      20
      x
      2
       
      )
    • ÷
    • 5
      x
  • (i)
    (
    4
    x
    2
     
    +
    4
    x
    )
  • (ii)
    (
    5
    x
    2
     
    +
    4
    x
    )
  • (iii)
    (
    5
    x
    2
     
    4
    x
    )
  • (iv)
    (
    5
    x
    2
     
    +
    5
    x
    )
  • (v)
    (
    5
    x
    2
     
    +
    4
    x
    )
Question 20
20.
    • (
      16
      x
      4
       
      +
      16
      x
      3
       
      +
      3
      x
      2
       
      )
    • ÷
    • (
      4
      x
      2
       
      +
      3
      x
      )
  • (i)
    (
    4
    x
    2
     
    +
    x
    )
  • (ii)
    (
    4
    x
    2
     
    x
    )
  • (iii)
    (
    4
    x
    2
     
    +
    2
    x
    )
  • (iv)
    (
    4
    x
    2
     
    +
    x
    )
  • (v)
    (
    3
    x
    2
     
    +
    x
    )
Question 21
21.
    • (
      3
      x
      4
       
      2
      x
      3
       
      41
      x
      2
       
      +
      60
      x
      )
    • ÷
    • (
      3
      x
      2
       
      14
      x
      +
      15
      )
  • (i)
    (
    x
    2
     
    +
    5
    x
    )
  • (ii)
    (
    x
    2
     
    +
    4
    x
    )
  • (iii)
    (
    x
    2
     
    +
    4
    x
    )
  • (iv)
    (
    x
    2
     
    +
    3
    x
    )
  • (v)
    (
    x
    2
     
    4
    x
    )
    Assignment Key

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