EduSahara™ Assignment
Name : Polynomial Division1
Chapter : Polynomials and Factorisation
Grade : SSC Grade IX
License : Non Commercial Use
Question 1
1.
    • The quotient when
    • c
    • is divided by
    • 1
    • is
  • (i)
    4
    c
  • (ii)
    2
    c
  • (iii)
    (
    2
    c
    )
  • (iv)
    c
  • (v)
    0
Question 2
2.
    • The quotient when
    • 3
      c
      2
       
    • is divided by
    • (
      c
      +
      7
      )
    • is
  • (i)
    (
    4
    c
    21
    )
  • (ii)
    (
    3
    c
    21
    )
  • (iii)
    (
    6
    c
    21
    )
  • (iv)
    (
    21
    )
  • (v)
    (
    2
    c
    21
    )
Question 3
3.
    • The quotient when
    • (
      x
      5
      )
    • is divided by
    • (
      x
      +
      2
      )
    • is
  • (i)
    2
  • (ii)
    0
  • (iii)
    (
    1
    )
  • (iv)
    1
  • (v)
    4
Question 4
4.
    • The quotient when
    • (
      8
      k
      2
       
      7
      k
      +
      9
      )
    • is divided by
    • (
      k
      4
      )
    • is
  • (i)
    (
    11
    k
    +
    25
    )
  • (ii)
    (
    7
    k
    +
    25
    )
  • (iii)
    (
    8
    k
    +
    25
    )
  • (iv)
    (
    6
    k
    +
    25
    )
  • (v)
    (
    9
    k
    +
    25
    )
Question 5
5.
    • The quotient when
    • (
      6
      e
      2
       
      +
      4
      e
      )
    • is divided by
    • (
      e
      +
      5
      )
    • is
  • (i)
    (
    5
    e
    26
    )
  • (ii)
    (
    8
    e
    26
    )
  • (iii)
    (
    6
    e
    26
    )
  • (iv)
    (
    7
    e
    26
    )
  • (v)
    (
    3
    e
    26
    )
Question 6
6.
    • The quotient when
    • (
      8
      q
      3
       
      +
      5
      q
      2
       
      3
      q
      )
    • is divided by
    • (
      q
      2
       
      8
      q
      9
      )
    • is
  • (i)
    (
    9
    q
    59
    )
  • (ii)
    (
    8
    q
    59
    )
  • (iii)
    (
    6
    q
    59
    )
  • (iv)
    (
    11
    q
    59
    )
  • (v)
    (
    7
    q
    59
    )
Question 7
7.
    • The quotient when
    • (
      2
      h
      4
       
      5
      h
      3
       
      2
      h
      2
       
      +
      7
      h
      +
      5
      )
    • is divided by
    • (
      h
      +
      2
      )
    • is
  • (i)
    (
    4
    h
    3
     
    h
    2
     
    +
    7
    )
  • (ii)
    (
    h
    2
     
    +
    7
    )
  • (iii)
    (
    2
    h
    3
     
    h
    2
     
    +
    7
    )
  • (iv)
    (
    h
    3
     
    h
    2
     
    +
    7
    )
  • (v)
    (
    3
    h
    3
     
    h
    2
     
    +
    7
    )
Question 8
8.
    • The quotient when
    • (
      7
      d
      5
       
      8
      d
      4
       
      8
      d
      3
       
      +
      3
      d
      2
       
      +
      5
      d
      +
      7
      )
    • is divided by
    • (
      d
      +
      4
      )
    • is
  • (i)
    (
    7
    d
    4
     
    36
    d
    3
     
    +
    136
    d
    2
     
    541
    d
    +
    2169
    )
  • (ii)
    (
    8
    d
    4
     
    36
    d
    3
     
    +
    136
    d
    2
     
    541
    d
    +
    2169
    )
  • (iii)
    (
    6
    d
    4
     
    36
    d
    3
     
    +
    136
    d
    2
     
    541
    d
    +
    2169
    )
  • (iv)
    (
    10
    d
    4
     
    36
    d
    3
     
    +
    136
    d
    2
     
    541
    d
    +
    2169
    )
  • (v)
    (
    4
    d
    4
     
    36
    d
    3
     
    +
    136
    d
    2
     
    541
    d
    +
    2169
    )
Question 9
9.
    • The remainder when
    • (
      5
      h
      )
    • is divided by
    • 1
    • is
  • (i)
    3
  • (ii)
    (
    1
    )
  • (iii)
    1
  • (iv)
    0
  • (v)
    (
    2
    )
Question 10
10.
    • The remainder when
    • (
      9
      a
      4
       
      +
      a
      3
       
      a
      2
      )
    • is divided by
    • (
      a
      +
      6
      )
    • is
  • (i)
    11451
  • (ii)
    11452
  • (iii)
    11455
  • (iv)
    11453
  • (v)
    11450
Question 11
11.
    • (
      12
      x
      3
       
      32
      x
      2
       
      25
      x
      6
      )
    • ÷
    • (
      6
      x
      2
       
      +
      13
      x
      +
      6
      )
    • =
  • (i)
    (
    2
    x
    1
    )
  • (ii)
    (
    3
    x
    1
    )
  • (iii)
    (
    2
    x
    +
    1
    )
  • (iv)
    (
    x
    1
    )
  • (v)
    (
    2
    x
    1
    )
Question 12
12.
    • (
      54
      x
      4
       
      +
      126
      x
      3
       
      78
      x
      2
       
      6
      x
      +
      12
      )
    • ÷
    • (
      18
      x
      3
       
      24
      x
      2
       
      +
      2
      x
      +
      4
      )
    • =
  • (i)
    (
    3
    x
    +
    3
    )
  • (ii)
    (
    3
    x
    3
    )
  • (iii)
    (
    3
    x
    +
    3
    )
  • (iv)
    (
    2
    x
    +
    3
    )
  • (v)
    (
    4
    x
    +
    3
    )
Question 13
13.
    • (
      36
      x
      5
       
      +
      126
      x
      4
       
      +
      4
      x
      3
       
      176
      x
      2
       
      +
      18
      )
    • divided by
    • (
      12
      x
      3
       
      10
      x
      2
       
      16
      x
      +
      6
      )
    • =
  • (i)
    (
    3
    x
    2
     
    +
    8
    x
    3
    )
  • (ii)
    (
    3
    x
    2
     
    +
    7
    x
    +
    3
    )
  • (iii)
    (
    3
    x
    2
     
    8
    x
    +
    3
    )
  • (iv)
    (
    3
    x
    2
     
    +
    9
    x
    +
    3
    )
  • (v)
    (
    3
    x
    2
     
    +
    8
    x
    +
    3
    )
Question 14
14.
    • (
      252
      x
      4
       
      y
      3
       
      +
      36
      x
      3
       
      y
      3
       
      )
    • ÷
    • 6
      x
      2
       
      y
    • =
  • (i)
    (
    42
    x
    2
     
    y
    2
     
    +
    6
    x
    y
    3
     
    z
    )
  • (ii)
    (
    42
    x
    3
     
    y
    4
     
    +
    6
    x
    y
    2
     
    )
  • (iii)
    (
    42
    x
    2
     
    y
    2
     
    +
    6
    y
    3
     
    )
  • (iv)
    (
    42
    x
    2
     
    y
    2
     
    +
    6
    x
    y
    2
     
    )
  • (v)
    (
    42
    x
    3
     
    y
    3
     
    +
    6
    x
    y
    2
     
    )
Question 15
15.
    • (
      180
      x
      4
       
      y
      3
       
      z
      4
       
      +
      1260
      x
      3
       
      y
      3
       
      z
      3
       
      +
      36
      x
      3
       
      y
      2
       
      z
      4
       
      )
    • ÷
    • 6
      x
      2
       
      y
      z
      2
       
    • =
  • (i)
    (
    30
    x
    2
     
    y
    2
     
    z
    2
     
    +
    6
    x
    y
    z
    2
     
    +
    210
    y
    3
     
    z
    )
  • (ii)
    (
    30
    x
    2
     
    y
    2
     
    z
    2
     
    +
    210
    x
    y
    2
     
    z
    +
    6
    x
    y
    z
    2
     
    )
  • (iii)
    (
    30
    x
    3
     
    y
    3
     
    z
    2
     
    +
    210
    x
    y
    2
     
    z
    +
    6
    x
    y
    z
    2
     
    )
  • (iv)
    (
    30
    x
    2
     
    y
    2
     
    z
    2
     
    +
    210
    x
    y
    3
     
    z
    2
     
    +
    6
    x
    y
    z
    2
     
    )
  • (v)
    (
    30
    x
    3
     
    y
    4
     
    z
    2
     
    +
    210
    x
    y
    2
     
    z
    +
    6
    x
    y
    z
    2
     
    )
Question 16
16.
    • Factorize and divide
    • (
      9
      x
      4
       
      52
      x
      2
       
      +
      64
      )
    • ÷
    • (
      3
      x
      2
       
      +
      10
      x
      +
      8
      )
  • (i)
    (
    4
    x
    2
     
    10
    x
    +
    8
    )
  • (ii)
    (
    x
    2
     
    10
    x
    +
    8
    )
  • (iii)
    (
    5
    x
    2
     
    10
    x
    +
    8
    )
  • (iv)
    (
    3
    x
    2
     
    10
    x
    +
    8
    )
  • (v)
    (
    2
    x
    2
     
    10
    x
    +
    8
    )
Question 17
17.
    • Factorize and divide
    • (
      5
      x
      4
       
      +
      10
      x
      3
       
      +
      80
      x
      2
       
      10
      x
      75
      )
    • ÷
    • (
      x
      2
       
      +
      2
      x
      +
      15
      )
  • (i)
    (
    5
    x
    2
     
    +
    10
    x
    +
    5
    )
  • (ii)
    (
    5
    x
    2
     
    10
    x
    +
    5
    )
  • (iii)
    (
    x
    2
     
    +
    4
    x
    +
    5
    )
  • (iv)
    (
    5
    x
    2
     
    5
    )
Question 18
18.
    • Which of the following are true ?
a)
If p(a) = 0, then (x + a) perfectly divides p(x)
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(x) is divided by (x - a), the remainder is p(a)
  • (i)
    {a,c,b}
  • (ii)
    {b,d}
  • (iii)
    {c,d}
  • (iv)
    {a,b}
  • (v)
    {a,d,b}
Question 19
19.
    • (
      5
      x
      4
       
      +
      2
      x
      3
       
      )
    • ÷
    • x
      2
       
  • (i)
    (
    5
    x
    2
     
    +
    2
    x
    )
  • (ii)
    (
    5
    x
    2
     
    2
    x
    )
  • (iii)
    (
    4
    x
    2
     
    +
    2
    x
    )
  • (iv)
    (
    5
    x
    2
     
    +
    2
    x
    )
  • (v)
    (
    5
    x
    2
     
    +
    3
    x
    )
Question 20
20.
    • (
      16
      x
      4
       
      +
      20
      x
      3
       
      +
      4
      x
      2
       
      )
    • ÷
    • (
      4
      x
      2
       
      +
      x
      )
  • (i)
    (
    4
    x
    2
     
    4
    x
    )
  • (ii)
    (
    4
    x
    2
     
    +
    5
    x
    )
  • (iii)
    (
    4
    x
    2
     
    +
    4
    x
    )
  • (iv)
    (
    3
    x
    2
     
    +
    4
    x
    )
  • (v)
    (
    4
    x
    2
     
    +
    4
    x
    )
Question 21
21.
    • (
      12
      x
      4
       
      46
      x
      3
       
      +
      30
      x
      2
       
      +
      28
      x
      )
    • ÷
    • (
      6
      x
      2
       
      26
      x
      +
      28
      )
  • (i)
    (
    2
    x
    2
     
    +
    x
    )
  • (ii)
    (
    2
    x
    2
     
    +
    x
    )
  • (iii)
    2
    x
    2
     
  • (iv)
    (
    2
    x
    2
     
    +
    2
    x
    )
  • (v)
    (
    2
    x
    2
     
    x
    )
    Assignment Key

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