EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Factor Theorem
Grade : ICSE Grade X
License : Non Commercial Use
Question 1
1.
    • The remainder when
    • (
      f
      4
       
      +
      8
      f
      3
       
      +
      7
      f
      2
       
      +
      3
      f
      6
      )
    • is divided by
    • (
      f
      2
       
      5
      f
      14
      )
    • is
  • (i)
    (
    86
    f
    +
    106
    )
  • (ii)
    (
    83
    f
    +
    106
    )
  • (iii)
    (
    87
    f
    +
    106
    )
  • (iv)
    (
    85
    f
    +
    106
    )
  • (v)
    (
    84
    f
    +
    106
    )
Question 2
2.
    • The value of the polynomial
    • (
      3
      n
      2
       
      9
      n
      6
      )
    • at
    •  
    • n
    • =
    • 5
    • is
  • (i)
    -125
  • (ii)
    -127
  • (iii)
    -126
  • (iv)
    -124
  • (v)
    -129
Question 3
3.
    • The remainder when
    • (
      6
      b
      )
    • is divided by
    • 3
    • is
  • (i)
    (
    3
    )
  • (ii)
    0
  • (iii)
    (
    1
    )
  • (iv)
    2
  • (v)
    1
Question 4
4.
    • The remainder when
    • (
      4
      p
      2
       
      +
      9
      p
      2
      )
    • is divided by
    • (
      p
      6
      )
    • is
  • (i)
    194
  • (ii)
    196
  • (iii)
    199
  • (iv)
    197
  • (v)
    195
Question 5
5.
    • (
      2
      x
      3
       
      +
      6
      x
      2
       
      )
    • ÷
    • 2
      x
  • (i)
    (
    x
    2
     
    +
    4
    x
    )
  • (ii)
    3
    x
  • (iii)
    (
    x
    2
     
    +
    3
    x
    )
  • (iv)
    (
    x
    2
     
    3
    x
    )
  • (v)
    (
    x
    2
     
    +
    3
    x
    )
Question 6
6.
    • If
    • f
      (
      x
      )
    • =
    • (
      9
      x
      3
       
      31
      x
      10
      )
    • and
    • g
      (
      x
      )
    • =
    • (
      18
      x
      3
       
      +
      66
      x
      2
       
      +
      68
      x
      +
      16
      )
    • have a common factor, find the common factor
  • (i)
    (
    x
    2
    )
  • (ii)
    (
    3
    x
    +
    4
    )
  • (iii)
    (
    2
    x
    +
    4
    )
  • (iv)
    (
    3
    x
    +
    1
    )
  • (v)
    (
    3
    x
    +
    5
    )
Question 7
7.
    • (
      36
      x
      4
       
      78
      x
      3
       
      +
      42
      x
      2
       
      +
      6
      x
      6
      )
    • ÷
    • (
      18
      x
      3
       
      +
      21
      x
      2
       
      3
      )
    • =
  • (i)
    (
    2
    x
    +
    2
    )
  • (ii)
    (
    2
    x
    +
    2
    )
  • (iii)
    (
    2
    x
    2
    )
  • (iv)
    (
    x
    +
    2
    )
  • (v)
    (
    3
    x
    +
    2
    )
Question 8
8.
    • Which of the following polynomials has
    • (
      2
      x
      +
      2
      )
    • as a factor ?
  • (i)
    (
    12
    x
    3
     
    44
    x
    2
     
    +
    29
    x
    +
    15
    )
  • (ii)
    (
    12
    x
    3
     
    2
    x
    2
     
    20
    x
    6
    )
  • (iii)
    (
    18
    x
    3
     
    +
    30
    x
    2
     
    16
    x
    8
    )
  • (iv)
    (
    8
    x
    3
     
    16
    x
    2
     
    34
    x
    +
    60
    )
  • (v)
    (
    12
    x
    3
     
    14
    x
    2
     
    56
    x
    +
    40
    )
Question 9
9.
    • The quotient when
    • (
      5
      m
      2
       
      9
      m
      )
    • is divided by
    • (
      m
      +
      7
      )
    • is
  • (i)
    (
    5
    m
    44
    )
  • (ii)
    (
    8
    m
    44
    )
  • (iii)
    (
    6
    m
    44
    )
  • (iv)
    (
    3
    m
    44
    )
  • (v)
    (
    4
    m
    44
    )
Question 10
10.
    • The remainder when
    • (
      2
      e
      2
       
      )
    • is divided by
    • (
      e
      5
      )
    • is
  • (i)
    (
    53
    )
  • (ii)
    (
    50
    )
  • (iii)
    (
    51
    )
  • (iv)
    (
    47
    )
  • (v)
    (
    49
    )
Question 11
11.
    • Given
    • f
      (
      t
      )
    • =
    • (
      8
      t
      +
      9
      )
    • ,
    • find
    •  
    • f
      (
      4
      )
  • (i)
    -26
  • (ii)
    -20
  • (iii)
    -22
  • (iv)
    -24
  • (v)
    -23
Question 12
12.
    • The quotient when
    • 5
      t
    • is divided by
    • (
      6
      )
    • is
  • (i)
    (
    5

    6
    t
    )
  • (ii)
    (
    5

    4
    t
    )
  • (iii)
    (
    7

    6
    t
    )
  • (iv)
    (
    5

    8
    t
    )
  • (v)
    (
    1

    2
    t
    )
Question 13
13.
    • Given
    • f
      (
      k
      )
    • =
    • (
      2
      k
      4
       
      +
      8
      k
      3
       
      +
      9
      k
      2
       
      8
      k
      9
      )
    • ,
    • find
    •  
    • f
      (
      5
      )
  • (i)
    2423
  • (ii)
    2429
  • (iii)
    2427
  • (iv)
    2426
  • (v)
    2425
Question 14
14.
    • If
    • (
      x
      a
      )
    • is a factor of
    • x
      3
         
      a
      x
      2
        +  
      8
      x
        +  
      24
    • ,
    • find the value of
    • a
  • (i)
    (-2)
  • (ii)
    (-5)
  • (iii)
    (-4)
  • (iv)
    (-3)
  • (v)
    (-1)
Question 15
15.
    • The value of the polynomial
    • (
      7
      n
      3
       
      +
      4
      n
      2
       
      6
      n
      )
    • at
    •  
    • n
    • =
    • (-2)
    • is
  • (i)
    -25
  • (ii)
    -28
  • (iii)
    -31
  • (iv)
    -27
  • (v)
    -29
Question 16
16.
Which of the following are true?
a)
Degree of zero polynomial is zero
b)
Every polynomial is a binomial
c)
    • π
    • r
      2
    • is a monomial
d)
A binomial has two and only two terms
e)
A binomial may have degree 3
  • (i)
    {a,c,d}
  • (ii)
    {a,c}
  • (iii)
    {c,d,e}
  • (iv)
    {b,d}
  • (v)
    {a,b,e}
Question 17
17.
    • The remainder when
    • (
      y
      2
       
      +
      8
      y
      +
      2
      )
    • is divided by
    • (
      y
      +
      3
      )
    • is
  • (i)
    (
    11
    )
  • (ii)
    (
    13
    )
  • (iii)
    (
    16
    )
  • (iv)
    (
    12
    )
  • (v)
    (
    14
    )
Question 18
18.
    • The quotient when
    • (
      x
      2
       
      +
      2
      x
      9
      )
    • is divided by
    • (
      x
      +
      9
      )
    • is
  • (i)
    (
    4
    x
    7
    )
  • (ii)
    (
    x
    7
    )
  • (iii)
    (
    2
    x
    7
    )
  • (iv)
    (
    2
    x
    7
    )
  • (v)
    (
    7
    )
Question 19
19.
    • Which of the following polynomials is not a multiple of
    • (
      2
      x
      5
      )
    • ?
  • (i)
    (
    2
    x
    2
     
    7
    x
    +
    5
    )
  • (ii)
    (
    2
    x
    2
     
    3
    x
    5
    )
  • (iii)
    (
    x
    2
     
    1
    )
  • (iv)
    (
    4
    x
    2
     
    25
    )
  • (v)
    (
    6
    x
    2
     
    25
    x
    +
    25
    )
Question 20
20.
    • Factorize
    • (
      36
      x
      2
       
      +
      50
      x
      y
      +
      16
      y
      2
       
      )
  • (i)
      • (
        9
        x
        +
        8
        y
        )
      • (
        4
        x
        2
        y
        )
  • (ii)
      • (
        9
        x
        8
        y
        )
      • (
        4
        x
        +
        2
        y
        )
  • (iii)
      • (
        9
        x
        +
        8
        y
        )
      • (
        4
        x
        +
        2
        y
        )
  • (iv)
      • (
        9
        x
        +
        8
        y
        )
      • (
        9
        x
        8
        y
        )
  • (v)
      • (
        9
        x
        8
        y
        )
      • (
        4
        x
        2
        y
        )
Question 21
21.
    • Factorize
    • (
      2
      x
      3
       
      12
      x
      2
       
      26
      x
      +
      84
      )
  • (i)
    (
    x
    2
    )
    (
    x
    7
    )
    6
  • (ii)
    (
    x
    2
    )
    (
    7
    )
    (
    x
    +
    6
    )
  • (iii)
    (
    x
    2
    )
    (
    x
    7
    )
    (
    2
    x
    +
    6
    )
  • (iv)
    (
    x
    2
    )
    (
    4
    x
    7
    )
    (
    5
    x
    +
    6
    )
  • (v)
    (
    x
    2
    )
    (
    2
    x
    7
    )
    (
    3
    x
    +
    6
    )
Question 22
22.
Which of the following are true?
a)
A polynomial of degree n has atmost n zeros
b)
If (x + a) is a factor of f(x), then f(a) = 0
c)
Zero of a polynomial and root of the polynomial are synonymous
d)
Zero of a polynomial is the value of the variable for which the polynomial value is zero
e)
If (x - a) is a factor of f(x), then f(a) = 0
f)
Zero of a polynomial and zero polynomial are synonymous
g)
A linear polynomial in one variable has only one root
  • (i)
    {f,c}
  • (ii)
    {a,c,d,e,g}
  • (iii)
    {b,f,d}
  • (iv)
    {b,e,g}
  • (v)
    {b,a}
Question 23
23.
    • The quotient when
    • 2
      w
      2
       
    • is divided by
    • (
      w
      8
      )
    • is
  • (i)
    16
  • (ii)
    (
    4
    w
    +
    16
    )
  • (iii)
    (
    3
    w
    +
    16
    )
  • (iv)
    (
    2
    w
    +
    16
    )
  • (v)
    (
    w
    +
    16
    )
Question 24
24.
    • The quotient when
    • (
      7
      p
      4
       
      5
      p
      3
       
      +
      6
      p
      2
       
      +
      4
      p
      9
      )
    • is divided by
    • (
      p
      2
       
      +
      4
      p
      45
      )
    • is
  • (i)
    (
    10
    p
    2
     
    33
    p
    +
    453
    )
  • (ii)
    (
    8
    p
    2
     
    33
    p
    +
    453
    )
  • (iii)
    (
    5
    p
    2
     
    33
    p
    +
    453
    )
  • (iv)
    (
    6
    p
    2
     
    33
    p
    +
    453
    )
  • (v)
    (
    7
    p
    2
     
    33
    p
    +
    453
    )
Question 25
25.
    • Factorize
    • (
      x
      2
       
      +
      2
      x
      a
      2
      x
      +
      a
      2
       
      2
      a
      48
      )
  • (i)
      • (
        x
        a
        +
        6
        )
      • (
        x
        +
        a
        +
        8
        )
  • (ii)
      • (
        x
        +
        a
        8
        )
      • (
        x
        a
        +
        6
        )
  • (iii)
      • (
        x
        +
        a
        +
        6
        )
      • (
        x
        +
        a
        8
        )
  • (iv)
      • (
        x
        +
        a
        +
        6
        )
      • (
        x
        a
        8
        )
  • (v)
      • (
        x
        a
        8
        )
      • (
        x
        +
        a
        6
        )
    Assignment Key

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