ICSE Board Practice

ICSE Grade VIII - Fundamental Concepts
Question 1
1.
Which of the following algebraic expressions is a trinomial?
  • (
    3
    n
    3
     
    o
    3
     
    p
    7
    n
    2
     
    o
    3
     
    9
    n
    o
    p
    2
     
    )
  • (
    9
    n
    3
     
    o
    p
    3
     
    3
    n
    3
     
    p
    2
    n
    9
    )
  • (
    4
    n
    3
     
    o
    3
     
    p
    )
  • (
    3
    n
    3
     
    p
    2
     
    9
    n
    o
    2
     
    p
    3
     
    +
    o
    3
     
    p
    2
     
    o
    2
     
    p
    3
     
    )
  • (
    n
    3
     
    o
    +
    3
    n
    o
    3
     
    )
Question 2
2.
    • The value of
    • (
      9
      p
      q
      2
      )
    • (
      9
      q
      1
      )
    • is
  • (
    80
    p
    q
    2
     
    +
    9
    p
    q
    +
    18
    q
    +
    2
    )
  • (
    81
    p
    q
    2
     
    +
    9
    p
    q
    +
    18
    q
    +
    2
    )
  • (
    81
    p
    q
    2
     
    +
    7
    p
    q
    +
    18
    q
    +
    2
    )
  • (
    82
    p
    q
    2
     
    +
    9
    p
    q
    +
    18
    q
    +
    2
    )
  • (
    81
    p
    q
    2
     
    +
    11
    p
    q
    +
    18
    q
    +
    2
    )
Question 3
3.
    • The value of
    • 1

      2
      s
      t
    • 3

      5
      s
      t
    • 1

      4
      s
      t
    • 1

      2
      s
      t
    • is
  • (
    17

    22
    s
    t
    )
  • (
    17

    20
    s
    t
    )
  • (
    3

    4
    s
    t
    )
  • (
    17

    18
    s
    t
    )
  • (
    19

    20
    s
    t
    )
Question 4
4.
    • The value of the polynomial
    • (
      5
      p
      2
       
      q
      2
       
      +
      8
      p
      2
       
      q
      r
      2
       
      5
      q
      2
       
      r
      2
       
      )
    • at
    •  
    • p
    • =
    • 3
    • ,
    • q
    • =
    • (-2)
    • ,
    • r
    • =
    • (-4)
    •  
    • is
  • -2804
  • -2805
  • -2806
  • -2803
  • -2802
Question 5
5.
    • The sum of the expressions
    • (
      8
      d
      e
      9
      )
    • ,
    • (
      d
      e
      4
      )
    • ,
    • (
      3
      e
      +
      7
      )
    • ,
    • (
      9
      d
      +
      11
      e
      )
    • ,
    • (
      4
      d
      e
      4
      )
    • is
  • (
    5
    d
    e
    11
    d
    +
    14
    e
    10
    )
  • (
    5
    d
    e
    6
    d
    +
    14
    e
    10
    )
  • (
    6
    d
    e
    9
    d
    +
    14
    e
    10
    )
  • (
    5
    d
    e
    9
    d
    +
    14
    e
    10
    )
  • (
    4
    d
    e
    9
    d
    +
    14
    e
    10
    )
Question 6
6.
    • The constant term in polynomial
    • (
      z
      3
       
      +
      8
      z
      2
       
      9
      z
      6
      )
    • is
  • -6
  • -8
  • -5
  • -7
  • -3
Question 7
7.
    • The coefficient of term
    • x
    • in polynomial
    • (
      9
      x
      2
       
      8
      x
      +
      3
      )
    • is
  • -9
  • -8
  • -6
  • -10
  • -7
Question 8
8.
    • The sum of the terms
    • (
      9
      b
      c
      )
    • ,
    • 3
      b
      c
      d
    • ,
    • 4
      b
    • ,
    • 3
    • ,
    • (
      b
      )
    • is
  • (
    3
    b
    c
    d
    9
    b
    c
    +
    3
    b
    +
    3
    )
  • (
    4
    b
    c
    d
    9
    b
    c
    +
    3
    b
    +
    3
    )
  • (
    3
    b
    c
    d
    7
    b
    c
    +
    3
    b
    +
    3
    )
  • (
    3
    b
    c
    d
    12
    b
    c
    +
    3
    b
    +
    3
    )
  • (
    2
    b
    c
    d
    9
    b
    c
    +
    3
    b
    +
    3
    )
Question 9
9.
    • The value of the polynomial
    • (
      9
      v
      w
      2
       
      x
      v
      x
      2
       
      +
      9
      w
      x
      2
       
      )
    • at
    •  
    • v
    • =
    • 1
    • ,
    • w
    • =
    • 0
    • ,
    • x
    • =
    • 5
    •  
    • is
  • -23
  • -28
  • -25
  • -24
  • -26
Question 10
10.
    • The value of
    • 2
      k
      2
       
    • (
      7
      k
      2
       
      )
    • (
      5
      k
      2
       
      )
    • is
  • 12
    k
    2
     
  • 15
    k
    2
     
  • 14
    k
    2
     
  • 17
    k
    2
     
  • 13
    k
    2