EduSahara™ Assignment
Name : Linear Equations Concepts
Chapter : Linear Equations in One Variable
Grade : CBSE Grade VIII
License : Non Commercial Use
Question 1
1.
    • The L.H.S of the equation
    • (
      3
      x
      9
      )
      =
      0
    • is
  • (i)
    (
    3
    x
    12
    )
  • (ii)
    (
    3
    x
    6
    )
  • (iii)
    (
    3
    x
    9
    )
  • (iv)
    0
  • (v)
    (
    2
    x
    9
    )
Question 2
2.
    • The R.H.S of the equation
    • (
      4
      x
      +
      5
      )
      =
      0
    • is
  • (i)
    (
    3
    )
  • (ii)
    (
    4
    x
    +
    5
    )
  • (iii)
    0
  • (iv)
    3
  • (v)
    (
    1
    )
Question 3
3.
    • The L.H.S of the equation
    • (
      5
      x
      9
      )
      =
      (
      4
      )
    • is
  • (i)
    (
    4
    )
  • (ii)
    (
    5
    x
    11
    )
  • (iii)
    (
    5
    x
    9
    )
  • (iv)
    (
    6
    x
    9
    )
  • (v)
    (
    5
    x
    7
    )
Question 4
4.
    • The R.H.S of the equation
    • (
      3
      x
      +
      7
      )
      =
      (
      4
      )
    • is
  • (i)
    (
    5
    )
  • (ii)
    (
    3
    x
    +
    7
    )
  • (iii)
    (
    1
    )
  • (iv)
    (
    4
    )
  • (v)
    (
    6
    )
Question 5
5.
    • The L.H.S of the equation
    • (
      x
      2
      )
      =
      (
      x
      +
      3
      )
    • is
  • (i)
    (
    x
    +
    3
    )
  • (ii)
    x
  • (iii)
    (
    x
    2
    )
  • (iv)
    (
    2
    )
  • (v)
    (
    x
    4
    )
Question 6
6.
    • The R.H.S of the equation
    • (
      7
      x
      +
      5
      )
      =
      (
      6
      x
      4
      )
    • is
  • (i)
    (
    6
    x
    2
    )
  • (ii)
    (
    6
    x
    4
    )
  • (iii)
    (
    7
    x
    4
    )
  • (iv)
    (
    6
    x
    7
    )
  • (v)
    (
    7
    x
    +
    5
    )
Question 7
7.
    • The additive inverse of the expression
    • (
      8
      x
      +
      2
      )
    • is
  • (i)
    (
    8
    x
    5
    )
  • (ii)
    (
    8
    x
    +
    1
    )
  • (iii)
    (
    8
    x
    +
    2
    )
  • (iv)
    (
    7
    x
    2
    )
  • (v)
    (
    8
    x
    2
    )
Question 8
8.
    • The additive inverse of the expression
    • 4
    • is
  • (i)
    (
    6
    )
  • (ii)
    (
    2
    )
  • (iii)
    (
    5
    )
  • (iv)
    4
  • (v)
    (
    4
    )
Question 9
9.
    • The additive inverse of the expression
    • (
      7
      x
      +
      2
      )
    • is
  • (i)
    (
    7
    x
    2
    )
  • (ii)
    (
    7
    x
    +
    1
    )
  • (iii)
    (
    7
    x
    +
    2
    )
  • (iv)
    (
    7
    x
    5
    )
  • (v)
    (
    8
    x
    2
    )
Question 10
10.
    • The additive inverse of the expression
    • (
      4
      )
    • is
  • (i)
    1
  • (ii)
    (
    4
    )
  • (iii)
    6
  • (iv)
    3
  • (v)
    4
Question 11
11.
Which of the following is a linear equation in one variable?
  • (i)
    (
    4
    x
    2
     
    23
    x
    y
    +
    3
    x
    15
    y
    2
     
    +
    32
    y
    +
    7
    )
    =
    0
  • (ii)
    (
    4
    x
    +
    8
    y
    +
    8
    z
    +
    9
    )
    =
    0
  • (iii)
    (
    7
    x
    +
    8
    y
    +
    7
    )
    =
    0
  • (iv)
    (
    7
    x
    6
    )
    =
    0
  • (v)
    (
    30
    x
    2
     
    +
    19
    x
    +
    63
    )
    =
    0
Question 12
12.
Which of the following is a linear equation in two variable?
  • (i)
    (
    3
    x
    6
    )
    =
    0
  • (ii)
    (
    5
    x
    +
    3
    y
    9
    )
    =
    0
  • (iii)
    (
    9
    x
    +
    7
    y
    +
    9
    z
    +
    4
    )
    =
    0
  • (iv)
    (
    18
    x
    2
     
    +
    54
    x
    28
    )
    =
    0
  • (v)
    (
    8
    x
    2
     
    +
    10
    x
    y
    +
    7
    y
    2
     
    +
    9
    y
    +
    2
    )
    =
    0
Question 13
13.
Which of the following is a linear equation in one variable?
  • (i)
    (
    8
    x
    2
     
    +
    36
    x
    y
    30
    x
    +
    16
    y
    2
     
    50
    y
    +
    25
    )
    =
    0
  • (ii)
    (
    6
    x
    2
     
    +
    2
    x
    28
    )
    =
    (
    8
    x
    +
    5
    )
  • (iii)
    (
    9
    x
    y
    +
    4
    )
    =
    (
    8
    x
    9
    y
    6
    )
  • (iv)
    (
    6
    x
    9
    y
    +
    2
    z
    +
    6
    )
    =
    (
    5
    x
    +
    7
    y
    7
    z
    +
    8
    )
  • (v)
    9
    x
    =
    (
    6
    x
    3
    )
Question 14
14.
Which of the following is a linear equation in two variable?
  • (i)
    (
    6
    x
    2
     
    +
    41
    x
    7
    )
    =
    (
    4
    x
    2
    )
  • (ii)
    (
    9
    x
    y
    +
    7
    )
    =
    (
    9
    x
    +
    5
    y
    5
    )
  • (iii)
    (
    x
    +
    4
    y
    +
    6
    z
    1
    )
    =
    (
    9
    x
    5
    y
    +
    9
    z
    6
    )
  • (iv)
    (
    x
    2
     
    +
    2
    x
    +
    25
    y
    2
     
    +
    20
    y
    +
    3
    )
    =
    0
  • (v)
    (
    7
    x
    +
    4
    )
    =
    (
    8
    x
    +
    8
    )
Question 15
15.
    • The linear equation
    • (
      6
      x
      1
      )
      =
      (
      9
      x
      5
      )
    • is equivalent to
  • (i)
    (
    6
    x
    1
    )
    =
    (
    9
    x
    3
    )
  • (ii)
    (
    6
    x
    1
    )
    =
    (
    9
    x
    7
    )
  • (iii)
    (
    15
    x
    +
    4
    )
    =
    0
  • (iv)
    (
    14
    x
    +
    4
    )
    =
    0
  • (v)
    (
    16
    x
    +
    4
    )
    =
    0
Question 16
16.
    • The linear equation
    • (
      2
      x
      +
      3
      y
      9
      )
      =
      (
      2
      x
      +
      9
      y
      3
      )
    • is equivalent to
  • (i)
    (
    4
    x
    6
    y
    6
    )
    =
    0
  • (ii)
    (
    5
    x
    6
    y
    6
    )
    =
    0
  • (iii)
    (
    2
    x
    +
    3
    y
    9
    )
    =
    (
    2
    x
    +
    6
    y
    3
    )
  • (iv)
    (
    2
    x
    +
    3
    y
    9
    )
    =
    (
    2
    x
    +
    11
    y
    3
    )
  • (v)
    (
    3
    x
    6
    y
    6
    )
    =
    0
Question 17
17.
    • The value of
    • x
    • in terms of other variables and constant in
    • (
      2
      x
      8
      )
      =
      (
      4
      x
      +
      4
      )
    • is
  • (i)
    x
    =
    (
    2
    )
  • (ii)
    x
    =
    (
    3
    )
  • (iii)
    x
    =
    (
    1
    )
  • (iv)
    x
    =
    (
    4
    )
  • (v)
    x
    =
    1
    Assignment Key

  •  1) (iii)
  •  2) (iii)
  •  3) (iii)
  •  4) (iv)
  •  5) (iii)
  •  6) (ii)
  •  7) (v)
  •  8) (v)
  •  9) (i)
  •  10) (v)
  •  11) (iv)
  •  12) (ii)
  •  13) (v)
  •  14) (ii)
  •  15) (iii)
  •  16) (i)
  •  17) (i)