EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Polynomials
Grade : CBSE Grade X
License : Non Commercial Use
Question 1
1.
    • The remainder when
    • (
      7
      f
      2
       
      +
      2
      f
      )
    • is divided by
    • (
      f
      +
      5
      )
    • is
  • (i)
    (
    186
    )
  • (ii)
    (
    187
    )
  • (iii)
    (
    185
    )
  • (iv)
    (
    184
    )
  • (v)
    (
    183
    )
Question 2
2.
Which of the following are not polynomials?
a)
    • (
      2
      x
      11
      y
      )
b)
    • (
      2
      x
      2
       
      +
      3
      x
      y
      77
      y
      2
       
      )
c)
    • √x
d)
    • (
      x
      +
      7
      y
      )

      (
      2
      x
      11
      y
      )
e)
    • 64
      x
      2
       
  • (i)
    {b,d}
  • (ii)
    {e,a,c}
  • (iii)
    {c,d}
  • (iv)
    {b,d,c}
  • (v)
    {a,c}
Question 3
3.
    • Find the quadratic equation whose roots are
    • (
      9
      +
      5



      7
      )
    • and
    • (
      9
      5



      7
      )
  • (i)
    (
    2
    x
    2
     
    18
    x
    94
    )
    =
    0
  • (ii)
    (
    x
    2
     
    18
    x
    94
    )
    =
    0
  • (iii)
    (
    18
    x
    94
    )
    =
    0
  • (iv)
    (
    x
    2
     
    21
    x
    94
    )
    =
    0
  • (v)
    (
    x
    2
     
    15
    x
    94
    )
    =
    0
Question 4
4.
    • The remainder when
    • (
      3
      j
      +
      1
      )
    • is divided by
    • (
      j
      3
      )
    • is
  • (i)
    9
  • (ii)
    10
  • (iii)
    8
  • (iv)
    11
  • (v)
    13
Question 5
5.
    • If one of the roots of the cubic equation
    • (
      147
      x
      3
       
      490
      x
      2
       
      +
      373
      x
      70
      )
      =
      0
    • is
    • 5

      7
    • ,
    • find the remaining real roots
  • (i)
    (
    3

    7
    ,
    0
    )
  • (ii)
    (
    2

    7
    ,
    7

    3
    )
  • (iii)
    (
    1
    ,
    2

    5
    )
  • (iv)
    (
    5

    9
    ,
    2

    9
    )
  • (v)
    (
    1
    ,
    4

    7
    )
Question 6
6.
    • Given
    • f
      (
      x
      )
    • =
    • (
      3
      x
      3
       
      4
      x
      2
       
      +
      7
      x
      )
    • ,
    • find
    •  
    • f
      (
      (-4)
      )
  • (i)
    -287
  • (ii)
    -281
  • (iii)
    -283
  • (iv)
    -285
  • (v)
    -284
Question 7
7.
    • (
      32
      x
      4
       
      y
      3
       
      +
      16
      x
      3
       
      y
      3
       
      )
    • ÷
    • 4
      x
      2
       
      y
    • =
  • (i)
    (
    8
    x
    2
     
    y
    2
     
    +
    4
    y
    3
     
    )
  • (ii)
    (
    8
    x
    3
     
    y
    3
     
    +
    4
    x
    y
    2
     
    )
  • (iii)
    (
    8
    x
    2
     
    y
    2
     
    +
    4
    x
    y
    3
     
    z
    )
  • (iv)
    (
    8
    x
    2
     
    y
    2
     
    +
    4
    x
    y
    2
     
    )
  • (v)
    (
    8
    x
    3
     
    y
    4
     
    +
    4
    x
    y
    2
     
    )
Question 8
8.
    • If
    • (
      x
      2
       
      1
      )
    • is a factor of
    •  
    • a
      x
      4
        +  
      b
      x
      3
        +  
      c
      x
      2
        +  
      d
      x
        +  
      e
    • ,
    • which of the following are true ?
a)
a + b + c = d + e
b)
a + b + c = 0
c)
b + d = 0
d)
d + e = 0
e)
a + b + c + d + e = 0
f)
a + c + e = 0
  • (i)
    {b,c,e}
  • (ii)
    {a,c}
  • (iii)
    {c,e,f}
  • (iv)
    {d,a,f}
  • (v)
    {b,e}
Question 9
9.
Which of the following equations represents the given graph ?
  • (i)
    y
    =
    (
    5
    x
    2
     
    +
    12
    x
    +
    5
    )
  • (ii)
    y
    =
    (
    4
    x
    2
     
    +
    14
    x
    +
    5
    )
  • (iii)
    y
    =
    (
    3
    x
    2
     
    +
    12
    x
    +
    5
    )
  • (iv)
    y
    =
    (
    4
    x
    2
     
    +
    10
    x
    +
    5
    )
  • (v)
    y
    =
    (
    4
    x
    2
     
    +
    12
    x
    +
    5
    )
Question 10
10.
    • Which of the following is not an irreducible factor of
    • (
      x
      2
       
      y
      +
      x
      y
      2
       
      +
      x
      y
      )
    • ?
  • (i)
    (
    x
    +
    y
    +
    1
    )
  • (ii)
    x
  • (iii)
    x
    y
  • (iv)
    y
Question 11
11.
    • If the polynomials
    •  
    • a
      x
      2
        +  
      4
      x
        +  
      9
    •  
    • and
    • 3
      x
      2
        +  
      a
      x
         
      7
    • leave the same remainder when divided by
    • (
      x
      2
      )
    • ,
    • find the value of
    • a
  • (i)
    (-9)
  • (ii)
    (-6)
  • (iii)
    (-7)
  • (iv)
    (-5)
  • (v)
    (-4)
Question 12
12.
    • Find the quadratic polynomial which when divided by
    • (
      x
      6
      )
    • ,
    • (
      3
      x
      +
      4
      )
    • ,
    • (
      3
      x
      7
      )
    • leaves remainders of
    •  
    • 85
    • ,
    • (
      49

      9
      )
    • ,
    • 116

      9
    • respectively.
  • (i)
    (
    9
    x
    2
     
    9
    x
    28
    )
  • (ii)
    (
    x
    2
     
    7
    x
    +
    6
    )
  • (iii)
    (
    3
    x
    2
     
    14
    x
    24
    )
  • (iv)
    (
    6
    x
    2
     
    +
    x
    35
    )
  • (v)
    (
    2
    x
    2
     
    +
    3
    x
    5
    )
Question 13
13.
    • The remainder when
    • (
      9
      v
      2
       
      9
      v
      4
      )
    • is divided by
    • (
      v
      7
      )
    • is
  • (i)
    373
  • (ii)
    377
  • (iii)
    372
  • (iv)
    375
  • (v)
    374
Question 14
14.
    • If
    • α
    • =
    • 5

      8
    • ,
    • β
    • =
    • 4

      9
    • ,
    • γ
    • =
    • 4

      5
    • are the roots of the cubic equation
    •  
       
      a
      x
      3
        +  
       
       
      b
      x
      2
        +  
       
       
      c
      x
        +  
       
       
      d
      = 0
    • ,
    • then find
    •  
    • c

      a
  • (i)
    (
    17

    15
    )
  • (ii)
    2

    9
  • (iii)
    (
    2

    9
    )
  • (iv)
    (
    673

    360
    )
  • (v)
    17

    15
Question 15
15.
    • Find the quadratic equation, the sum of whose roots is
    • 6
    • and product is
    • 9
  • (i)
    (
    2
    x
    2
     
    6
    x
    +
    9
    )
    =
    0
  • (ii)
    (
    x
    2
     
    3
    x
    +
    9
    )
    =
    0
  • (iii)
    (
    x
    2
     
    8
    x
    +
    9
    )
    =
    0
  • (iv)
    (
    x
    2
     
    6
    x
    +
    9
    )
    =
    0
  • (v)
    (
    6
    x
    +
    9
    )
    =
    0
Question 16
16.
    • Factorize and divide
    • (
      36
      x
      4
       
      229
      x
      2
       
      +
      25
      )
    • ÷
    • (
      6
      x
      2
       
      13
      x
      5
      )
  • (i)
    (
    5
    x
    2
     
    +
    13
    x
    5
    )
  • (ii)
    (
    6
    x
    2
     
    +
    13
    x
    5
    )
  • (iii)
    (
    7
    x
    2
     
    +
    13
    x
    5
    )
  • (iv)
    (
    3
    x
    2
     
    +
    13
    x
    5
    )
  • (v)
    (
    8
    x
    2
     
    +
    13
    x
    5
    )
Question 17
17.
    • The quotient when
    • 4
      w
      2
       
    • is divided by
    • (
      w
      8
      )
    • is
  • (i)
    (
    5
    w
    +
    32
    )
  • (ii)
    (
    3
    w
    +
    32
    )
  • (iii)
    (
    6
    w
    +
    32
    )
  • (iv)
    (
    w
    +
    32
    )
  • (v)
    (
    4
    w
    +
    32
    )
Question 18
18.
Which of the following are true?
a)
    • The curve of a parabola
    • is a
    • straight line
b)
    • The curve of a parabola
    • is a
    • circle
c)
    • The curve of a parabola
    • lie in only one quadrant
d)
    • The curve of a parabola
    • is a closed figure
e)
    • The curve of a parabola
    • y
      =
      a
      x
      2
        +  
      b
      x
        +  
      c
    • always croses the X-axis
f)
    • The curve of a parabola
    • is a
    • curve
  • (i)
    {a,f}
  • (ii)
    {c,d,f}
  • (iii)
    {b,f}
  • (iv)
    {f}
  • (v)
    {e,f}
Question 19
19.
    • Find the roots of the quadratic equation
    • (
      x
      2
       
      6
      x
      +
      9
      )
      =
      0
  • (i)
    (
    4
    ,
    3
    )
  • (ii)
    (
    3
    ,
    3
    )
  • (iii)
    (
    6
    ,
    3
    )
  • (iv)
    (
    4
    ,
    4
    )
  • (v)
    no real roots
Question 20
20.
    • The quotient when
    • (
      9
      c
      2
       
      4
      c
      )
    • is divided by
    • (
      c
      +
      9
      )
    • is
  • (i)
    (
    7
    c
    +
    77
    )
  • (ii)
    (
    8
    c
    +
    77
    )
  • (iii)
    (
    10
    c
    +
    77
    )
  • (iv)
    (
    11
    c
    +
    77
    )
  • (v)
    (
    9
    c
    +
    77
    )
Question 21
21.
    • Find the table of points that satisfy
    • the parabola equation
    • y
      =
      2
      x
      2
       
  • (i)
    x
    -2
    -1
    -2
    1
    2
    y
    8
    2
    -2
    2
    8
  • (ii)
    x
    -2
    -1
    0
    1
    2
    y
    8
    2
    0
    2
    8
  • (iii)
    x
    -2
    -1
    0
    1
    4
    y
    8
    2
    0
    2
    10
  • (iv)
    x
    -2
    -1
    1
    1
    2
    y
    8
    2
    -1
    2
    8
  • (v)
    x
    -2
    -1
    0
    0
    2
    y
    8
    2
    0
    3
    8
Question 22
22.
    • The sum of the roots of the quadratic equation
    • (
      81
      x
      2
       
      +
      108
      x
      +
      36
      )
      =
      0
    • is
  • (i)
    (
    -6

    5
    )
  • (ii)
    -2
  • (iii)
    (
    -2

    3
    )
  • (iv)
    (
    -4

    3
    )
Question 23
23.
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)
    {b,d,e}
  • (iii)
    {a,c,e}
  • (iv)
    {a,b}
  • (v)
    {a,b,d}
Question 24
24.
    • If the polynomial
    •  
    • b
      x
      2
         
      8
      x
        +  
      a
    •  
    • is divided by
    • (
      3
      x
      +
      3
      )
    • ,
    • it leaves a remainder
    • 24
    • .
    • If it is divided by
    • (
      3
      x
      5
      )
    • ,
    • it leaves a remainder
    • 4
      4

      9
    • .
    • Find the value of
    • a
    • and
    • b
  • (i)
      • 2
      • ,
      • 16
  • (ii)
      • 0
      • ,
      • 14
  • (iii)
      • 15
      • ,
      • 2
  • (iv)
      • 16
      • ,
      • 1
  • (v)
      • 15
      • ,
      • 1
Question 25
25.
    • Find the value of
    • a
    • and
    • b
    • such that
    • b
      x
      4
         
      x
      3
         
      25
      x
      2
        +  
      a
      x
    •  
    • is exactly divisible by
    • (
      x
      2
       
      +
      4
      x
      5
      )
  • (i)
      • 0
      • ,
      • 24
  • (ii)
      • 25
      • ,
      • 1
  • (iii)
      • 25
      • ,
      • 2
  • (iv)
      • 2
      • ,
      • 26
  • (v)
      • 26
      • ,
      • 1
    Assignment Key

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