EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Polynomials
Grade : CBSE Grade IX
License : Non Commercial Use
Question 1
1.
    • Find the value of
    • a
    • and
    • b
    • such that
    • a
      x
      4
        +  
      12
      x
      3
         
      28
      x
      2
         
      60
      x
        +  
      b
    •  
    • is exactly divisible by
    • (
      2
      x
      2
       
      +
      2
      x
      12
      )
  • (i)
      • 4
      • ,
      • 72
  • (ii)
      • 71
      • ,
      • 3
  • (iii)
      • 5
      • ,
      • 72
  • (iv)
      • 73
      • ,
      • 5
  • (v)
      • 4
      • ,
      • 73
Question 2
2.
    • The degree of the polynomial
    • (
      9
      k
      2
       
      k
      4
      )
    • is
  • (i)
    5
  • (ii)
    0
  • (iii)
    2
  • (iv)
    3
  • (v)
    1
Question 3
3.
Which of the following algebraic expressions is a constant polynomial?
  • (i)
    (
    4
    )
  • (ii)
    (
    6
    g
    2
     
    h
    i
    2
     
    4
    g
    2
     
    h
    3
    g
    i
    3
     
    +
    9
    g
    i
    2
     
    )
  • (iii)
    (
    3
    g
    2
     
    2
    i
    3
     
    2
    )
  • (iv)
    7
    g
    h
    3
     
    i
  • (v)
    (
    4
    g
    3
     
    h
    i
    6
    g
    2
     
    h
    2
     
    i
    2
     
    )
Question 4
4.
    • The quotient of
    • (
      125
      a
      3
       
      +
      375
      a
      2
       
      b
      375
      a
      b
      2
       
      +
      125
      b
      3
       
      )
    • ÷
    • (
      5
      a
      +
      5
      b
      )
    • is
  • (i)
    (
    25
    a
    2
     
    50
    a
    b
    +
    25
    b
    2
     
    )
  • (ii)
    (
    25
    a
    2
     
    53
    a
    b
    +
    25
    b
    2
     
    )
  • (iii)
    (
    26
    a
    2
     
    50
    a
    b
    +
    25
    b
    2
     
    )
  • (iv)
    (
    25
    a
    2
     
    48
    a
    b
    +
    25
    b
    2
     
    )
  • (v)
    (
    24
    a
    2
     
    50
    a
    b
    +
    25
    b
    2
     
    )
Question 5
5.
Which of the following are true?
a)
Degree of zero polynomial is zero
b)
    • π
    • r
      2
    • is a monomial
c)
Every polynomial is a binomial
d)
A binomial has two and only two terms
e)
A binomial may have degree 3
  • (i)
    {c,d}
  • (ii)
    {a,b}
  • (iii)
    {b,d,e}
  • (iv)
    {a,c,e}
  • (v)
    {a,b,d}
Question 6
6.
    • The remainder when
    • 6
      j
      2
       
    • is divided by
    • (
      j
      7
      )
    • is
  • (i)
    295
  • (ii)
    292
  • (iii)
    293
  • (iv)
    294
  • (v)
    296
Question 7
7.
    • The quotient of
    • (
      16
      a
      2
       
      b
      2
       
      )
    • ÷
    • (
      4
      a
      +
      b
      )
    • is
  • (i)
    (
    3
    a
    b
    )
  • (ii)
    (
    5
    a
    b
    )
  • (iii)
    (
    4
    a
    b
    )
  • (iv)
    (
    4
    a
    +
    2
    b
    )
  • (v)
    (
    4
    a
    3
    b
    )
Question 8
8.
    • Factorize
    • (
      x
      2
       
      +
      2
      x
      a
      +
      2
      x
      +
      a
      2
       
      +
      2
      a
      8
      )
  • (i)
      • (
        x
        +
        a
        +
        4
        )
      • (
        x
        +
        a
        2
        )
  • (ii)
      • (
        x
        +
        a
        2
        )
      • (
        x
        a
        +
        4
        )
  • (iii)
      • (
        x
        +
        a
        +
        4
        )
      • (
        x
        a
        2
        )
  • (iv)
      • (
        x
        a
        +
        4
        )
      • (
        x
        +
        a
        +
        2
        )
  • (v)
      • (
        x
        a
        2
        )
      • (
        x
        +
        a
        4
        )
Question 9
9.
    • Which of the following polynomials is not a multiple of
    • (
      3
      x
      2
      )
    • ?
  • (i)
    (
    3
    x
    2
     
    +
    x
    2
    )
  • (ii)
    (
    3
    x
    2
     
    +
    7
    x
    6
    )
  • (iii)
    (
    3
    x
    2
     
    +
    4
    x
    +
    1
    )
  • (iv)
    (
    3
    x
    2
     
    +
    4
    x
    4
    )
  • (v)
    (
    9
    x
    2
     
    3
    x
    2
    )
Question 10
10.
    • The value of
    • 35
    • 25
    • is
  • (i)
    873
  • (ii)
    874
  • (iii)
    875
  • (iv)
    876
  • (v)
    877
Question 11
11.
    • Which of the following polynomials has
    • (
      x
      3
      )
    • as a factor ?
  • (i)
    (
    12
    x
    3
     
    +
    22
    x
    2
     
    2
    x
    12
    )
  • (ii)
    (
    18
    x
    3
     
    81
    x
    2
     
    +
    106
    x
    40
    )
  • (iii)
    (
    12
    x
    3
     
    28
    x
    2
     
    29
    x
    +
    60
    )
  • (iv)
    (
    8
    x
    3
     
    38
    x
    30
    )
  • (v)
    (
    6
    x
    3
     
    16
    x
    2
     
    10
    x
    +
    12
    )
Question 12
12.
Which of the following are not polynomials?
a)
    • (
      2
      x
      +
      11
      y
      )
b)
    • √x
c)
    • (
      8
      x
      4
      y
      )
d)
    • 64
      x
      2
       
e)
    • 64
      x
      2
       
      +
      1

      64
      x
      2
       
  • (i)
    {c,e,b}
  • (ii)
    {c,e}
  • (iii)
    {b,e}
  • (iv)
    {a,b}
  • (v)
    {d,a,b}
Question 13
13.
    • The remainder when
    • (
      9
      b
      +
      1
      )
    • is divided by
    • (
      b
      4
      )
    • is
  • (i)
    37
  • (ii)
    39
  • (iii)
    36
  • (iv)
    38
  • (v)
    34
Question 14
14.
    • The expanded form of
    • (
      x
      6
      )
    • (
      2
      x
      +
      3
      )
    • (
      2
      x
      +
      6
      )
    • is
  • (i)
    (
    5
    x
    3
     
    6
    x
    2
     
    90
    x
    108
    )
  • (ii)
    (
    6
    x
    3
     
    6
    x
    2
     
    90
    x
    108
    )
  • (iii)
    (
    3
    x
    3
     
    6
    x
    2
     
    90
    x
    108
    )
  • (iv)
    (
    4
    x
    3
     
    6
    x
    2
     
    90
    x
    108
    )
  • (v)
    (
    2
    x
    3
     
    6
    x
    2
     
    90
    x
    108
    )
Question 15
15.
    • (
      4
      x
      4
       
      y
      4
       
      z
      2
       
      +
      36
      x
      4
       
      y
      3
       
      z
      2
       
      +
      12
      x
      3
       
      y
      4
       
      z
      3
       
      )
    • ÷
    • 2
      x
      2
       
      y
      2
       
      z
    • =
  • (i)
    (
    18
    x
    2
     
    y
    2
     
    z
    2
     
    +
    2
    x
    2
     
    y
    2
     
    z
    +
    6
    x
    y
    2
     
    z
    2
     
    )
  • (ii)
    (
    2
    x
    3
     
    y
    4
     
    z
    +
    18
    x
    2
     
    y
    z
    +
    6
    x
    y
    2
     
    z
    2
     
    )
  • (iii)
    (
    2
    x
    3
     
    y
    3
     
    z
    +
    18
    x
    2
     
    y
    z
    +
    6
    x
    y
    2
     
    z
    2
     
    )
  • (iv)
    (
    2
    x
    2
     
    y
    2
     
    z
    +
    6
    x
    y
    2
     
    z
    2
     
    +
    18
    x
    y
    2
     
    z
    )
  • (v)
    (
    2
    x
    2
     
    y
    2
     
    z
    +
    18
    x
    2
     
    y
    z
    +
    6
    x
    y
    2
     
    z
    2
     
    )
Question 16
16.
    • Given
    • f
      (
      m
      )
    • =
    • (
      3
      m
      9
      )
    • ,
    • find
    •  
    • f
      (
      (-2)
      )
  • (i)
    -4
  • (ii)
    0
  • (iii)
    -2
  • (iv)
    -6
  • (v)
    -3
Question 17
17.
    • The coefficient of term
    • o
      p
    • in polynomial
    • (
      o
      p
      5
      o
      8
      p
      +
      4
      )
    • is
  • (i)
    0
  • (ii)
    -2
  • (iii)
    1
  • (iv)
    -3
  • (v)
    -1
Question 18
18.
    • The constant term in polynomial
    • (
      4
      r
      2
       
      +
      9
      r
      7
      )
    • is
  • (i)
    -8
  • (ii)
    -7
  • (iii)
    -10
  • (iv)
    -4
  • (v)
    -6
Question 19
19.
    • Factorize
    •  
    • (
      20
      a
      2
       
      b
      +
      35
      a
      b
      2
       
      )
  • (i)
      • 5
        a
        b
      • (
        4
        a
        7
        b
        )
  • (ii)
      • 5
        b
      • (
        4
        a
        7
        b
        )
  • (iii)
      • 5
        a
        b
      • (
        4
        a
        +
        7
        b
        )
  • (iv)
      • 5
        a
      • (
        4
        a
        +
        7
        b
        )
  • (v)
      • 5
        a
        b
      • (
        4
        a
        7
        b
        )
Question 20
20.
    • The quotient of
    • (
      16
      a
      2
       
      8
      a
      b
      +
      b
      2
       
      )
    • ÷
    • (
      4
      a
      +
      b
      )
    • is
  • (i)
    (
    4
    a
    +
    b
    )
  • (ii)
    (
    3
    a
    +
    b
    )
  • (iii)
    (
    4
    a
    +
    4
    b
    )
  • (iv)
    (
    5
    a
    +
    b
    )
  • (v)
    (
    4
    a
    2
    b
    )
Question 21
21.
    • Factorize
    •  
    • (
      a
      x
        +  
      b
      y
      )
      2
    • (
      a
      x
         
      b
      y
      )
      2
  • (i)
    4
    (
    a
    x
    )
    2
    (
    b
    y
    )
    2
  • (ii)
    2
    (
    a
    x
    )
    2
    (
    b
    y
    )
    2
  • (iii)
    4
    a
    x
    b
    y
  • (iv)
    2
    a
    x
    b
    y
Question 22
22.
    • Find the value of
    • 60 3
       
    • +
    • 25 3
       
    • 85 3
       
  • (i)
    (-125000)
  • (ii)
    (-1728000)
  • (iii)
    125000
  • (iv)
    1728000
  • (v)
    (-382500)
Question 23
23.
    • The degree of polynomial
    • (
      4
      t
      2
       
      v
      2
       
      +
      6
      t
      u
      +
      8
      t
      9
      u
      2
       
      5
      )
    • is
  • (i)
    5
  • (ii)
    3
  • (iii)
    6
  • (iv)
    4
  • (v)
    2
Question 24
24.
    • (
      a
      +
      b
      +
      c
      )
      2
       
  • (i)
    (
    2
    a
    b
    +
    2
    a
    c
    +
    b
    2
     
    +
    2
    b
    c
    +
    c
    2
     
    )
  • (ii)
    (
    a
    2
     
    +
    2
    a
    c
    +
    b
    2
     
    +
    2
    b
    c
    +
    c
    2
     
    )
  • (iii)
    (
    a
    2
     
    +
    5
    a
    b
    +
    2
    a
    c
    +
    b
    2
     
    +
    2
    b
    c
    +
    c
    2
     
    )
  • (iv)
    (
    2
    a
    2
     
    +
    2
    a
    b
    +
    2
    a
    c
    +
    b
    2
     
    +
    2
    b
    c
    +
    c
    2
     
    )
  • (v)
    (
    a
    2
     
    +
    2
    a
    b
    +
    2
    a
    c
    +
    b
    2
     
    +
    2
    b
    c
    +
    c
    2
     
    )
Question 25
25.
    • The degree of polynomial
    • (
      2
      t
      u
      8
      t
      7
      u
      1
      )
    • is
  • (i)
    1
  • (ii)
    2
  • (iii)
    3
  • (iv)
    (-1)
  • (v)
    4
    Assignment Key

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