CBSE Board Practice

CBSE Grade VIII - Algebraic Expressions and Identities
Question 1
1.
    • The constant term in polynomial
    • (
      2
      s
      8
      )
    • is
  • -7
  • -11
  • -9
  • -8
  • -6
Question 2
2.
    • The value of
    • 3
      d
      5
       
    • 8
      d
      5
       
    • (
      d
      5
       
      )
    • is
  • (
    3
    d
    5
     
    )
  • (
    d
    5
     
    )
  • (
    4
    d
    5
     
    )
  • (
    5
    d
    5
     
    )
  • (
    7
    d
    5
     
    )
Question 3
3.
    • (
      a
      +
      b
      )
      2
       
  • (
    2
    a
    2
     
    +
    2
    a
    b
    +
    b
    2
     
    )
  • (
    a
    2
     
    +
    5
    a
    b
    +
    b
    2
     
    )
  • (
    a
    2
     
    +
    b
    2
     
    )
  • (
    a
    2
     
    +
    2
    a
    b
    +
    b
    2
     
    )
  • (
    2
    a
    b
    +
    b
    2
     
    )
Question 4
4.
    • Which of the following terms can be subtracted from
    • (
      3
      s
      2
       
      u
      )
    • ?
  • (
    4
    s
    2
     
    t
    2
     
    )
  • (
    5
    s
    2
     
    u
    )
  • s
    t
    u
    2
     
  • (
    6
    s
    t
    u
    )
  • (
    5
    s
    t
    2
     
    )
Question 5
5.
    • Which of the following is a like term of
    • (
      9
      x
      2
       
      y
      )
    • ?
  • 5
  • 9
    x
    2
     
    y
  • (
    7
    w
    2
     
    x
    )
  • 3
    w
    2
     
    x
    2
     
    y
  • 7
    w
    x
    2
     
Question 6
6.
    • The value of
    • (
      5
      w
      2
       
      x
      2
       
      y
      2
       
      )
    • 4
      w
      2
       
      x
      2
       
      y
      2
       
    • (
      7
      w
      2
       
      x
      2
       
      y
      2
       
      )
    • 6
      w
      2
       
      x
      2
       
      y
      2
       
    • is
  • (
    6
    w
    2
     
    x
    2
     
    y
    2
     
    )
  • (
    7
    w
    2
     
    x
    2
     
    y
    2
     
    )
  • (
    8
    w
    2
     
    x
    2
     
    y
    2
     
    )
  • (
    9
    w
    2
     
    x
    2
     
    y
    2
     
    )
  • (
    10
    w
    2
     
    x
    2
     
    y
    2
     
    )
Question 7
7.
    • The value of
    • 1

      3
      y
      2
       
    • 1

      3
      y
    • is
  • 1

    3
    y
    3
     
  • (
    1

    9
    y
    3
     
    )
  • 1

    9
    y
    3
     
  • 1

    11
    y
    3
     
  • 1

    7
    y
    3
     
Question 8
8.
    • Which of the following terms is a like term of
    • (
      9
      x
      4
       
      )
    • ?
  • 2
    x
    2
     
  • (
    5
    )
  • 2
    x
  • (
    8
    x
    4
     
    )
  • x
    3
     
Question 9
9.
Which of the following algebraic expressions is a monomial?
  • (
    8
    p
    2
     
    +
    8
    p
    )
  • (
    8
    p
    4
     
    +
    p
    2
     
    +
    3
    )
  • (
    9
    p
    4
     
    4
    p
    3
     
    +
    8
    p
    2
     
    6
    p
    +
    8
    )
  • (
    4
    p
    4
     
    +
    9
    p
    3
     
    8
    p
    2
     
    +
    2
    p
    9
    )
  • 5
    p
    4
     
Question 10
10.
Which of the following algebraic expressions is a monomial?
  • (
    8
    j
    2
     
    l
    +
    6
    j
    k
    +
    6
    k
    2
     
    l
    2
     
    +
    8
    k
    2
     
    l
    )
  • (
    3
    j
    3
     
    k
    3
     
    l
    3
     
    8
    j
    3
     
    k
    3
     
    +
    3
    j
    k
    3
     
    3
    k
    3
     
    l
    3
     
    )
  • 7
    j
    3
     
    k
    l
    2
     
  • (
    6
    j
    3
     
    l
    2
     
    +
    2
    j
    k
    3
     
    2
    k
    l
    )
  • (
    3
    j
    2
     
    +
    3
    j
    k
    2
     
    l
    2
     
    )