EduSahara™ Assignment
Name : Pair of Linear Equations in Two Variables
Chapter : Pair of Linear Equations in Two Variables
Grade : CBSE Grade X
License : Non Commercial Use
Question 1
1.
    • Solve
    • (
      9
      x
      +
      2
      y
      +
      25
      )
      =
      0
      (
      12
      x
      +
      4
      y
      +
      44
      )
      =
      0
  • (i)
    (
    -1
    ,
    -9
    )
  • (ii)
    (
    1
    ,
    -8
    )
  • (iii)
    (
    -1
    ,
    -8
    )
  • (iv)
    (
    -1
    ,
    -10
    )
  • (v)
    (
    0
    ,
    -8
    )
Question 2
2.
    • Solve
    • (
      2
      x
      5
      y
      +
      2
      )
      =
      0
      (
      x
      y
      +
      5
      )
      =
      0
  • (i)
    (
    -7
    ,
    -4
    )
  • (ii)
    (
    (
    -37

    5
    )
    ,
    -4
    )
  • (iii)
    (
    -7
    ,
    (
    -10

    3
    )
    )
  • (iv)
    (
    (
    -23

    3
    )
    ,
    (
    -8

    3
    )
    )
  • (v)
    (
    (
    -37

    5
    )
    ,
    (
    -8

    3
    )
    )
Question 3
3.
    • Solve
    • (
      x
      +
      y
      2
      )
      =
      (
      5
      )
      (
      5
      x
      +
      2
      y
      +
      1
      )
      =
      (
      4
      )
  • (i)
    (
    1

    7
    ,
    (
    -22

    7
    )
    )
  • (ii)
    (
    (
    -1

    7
    )
    ,
    (
    -20

    7
    )
    )
  • (iii)
    (
    1

    7
    ,
    (
    -16

    5
    )
    )
  • (iv)
    (
    (
    -1

    9
    )
    ,
    (
    -20

    7
    )
    )
  • (v)
    (
    (
    -1

    9
    )
    ,
    (
    -16

    5
    )
    )
Question 4
4.
    • Solve
    • (
      4
      x
      +
      y
      5
      )
      =
      (
      2
      x
      y
      3
      )
      (
      x
      4
      y
      5
      )
      =
      (
      4
      x
      +
      2
      y
      )
  • (i)
    (
    2
    ,
    -1
    )
  • (ii)
    (
    2
    ,
    -3
    )
  • (iii)
    (
    0
    ,
    0
    )
  • (iv)
    (
    0
    ,
    -1
    )
  • (v)
    (
    -1
    ,
    0
    )
Question 5
5.
    • Solve
    • (
      9
      x
      +
      4
      y
      +
      47
      )
      =
      0
      (
      4
      x
      +
      6
      y
      52
      )
      =
      0
  • (i)
    (
    10
    ,
    4
    )
  • (ii)
    (
    7
    ,
    1
    )
  • (iii)
    (
    8
    ,
    4
    )
  • (iv)
    (
    7
    ,
    4
    )
  • (v)
    (
    7
    ,
    3
    )
Question 6
6.
    • Solve
    • (
      x
      +
      3
      y
      +
      2
      )
      =
      0
      (
      4
      x
      +
      3
      y
      )
      =
      0
  • (i)
    (
    2

    5
    ,
    (
    -8

    9
    )
    )
  • (ii)
    (
    2

    5
    ,
    (
    -8

    7
    )
    )
  • (iii)
    (
    4

    3
    ,
    (
    -10

    9
    )
    )
  • (iv)
    (
    2

    3
    ,
    (
    -8

    9
    )
    )
  • (v)
    (
    4

    3
    ,
    (
    -8

    7
    )
    )
Question 7
7.
    • Solve
    • (
      3
      x
      2
      y
      1
      )
      =
      3
      (
      5
      x
      +
      2
      y
      )
      =
      4
  • (i)
    (
    1
    ,
    (
    -1

    2
    )
    )
  • (ii)
    (
    2
    ,
    -1
    )
  • (iii)
    (
    4
    ,
    -1
    )
  • (iv)
    (
    2
    ,
    (
    -1

    2
    )
    )
  • (v)
    (
    4
    ,
    (
    -3

    2
    )
    )
Question 8
8.
    • Solve
    • (
      x
      5
      y
      1
      )
      =
      (
      4
      x
      +
      4
      y
      +
      4
      )
      (
      2
      x
      +
      2
      y
      )
      =
      (
      5
      x
      3
      y
      +
      4
      )
  • (i)
    (
    (
    -59

    78
    )
    ,
    (
    -23

    76
    )
    )
  • (ii)
    (
    (
    -61

    80
    )
    ,
    (
    -23

    78
    )
    )
  • (iii)
    (
    (
    -61

    80
    )
    ,
    (
    -23

    76
    )
    )
  • (iv)
    (
    (
    -61

    78
    )
    ,
    (
    -23

    78
    )
    )
  • (v)
    (
    (
    -59

    78
    )
    ,
    (
    -25

    78
    )
    )
Question 9
9.
    • Solve
    • (
      4
      x
      2
      y
      +
      4
      )
      =
      0
      (
      11
      x
      +
      5
      y
      31
      )
      =
      0
  • (i)
    (
    -1
    ,
    2
    )
  • (ii)
    (
    -1
    ,
    4
    )
  • (iii)
    (
    0
    ,
    4
    )
  • (iv)
    (
    -1
    ,
    3
    )
  • (v)
    (
    1
    ,
    4
    )
Question 10
10.
    • Solve
    • (
      3
      x
      y
      +
      5
      )
      =
      0
      (
      2
      x
      +
      4
      y
      +
      2
      )
      =
      0
  • (i)
    (
    (
    -9

    7
    )
    ,
    2

    5
    )
  • (ii)
    (
    (
    -11

    7
    )
    ,
    2

    7
    )
  • (iii)
    (
    (
    -9

    7
    )
    ,
    0
    )
  • (iv)
    (
    (
    -13

    9
    )
    ,
    2

    5
    )
  • (v)
    (
    (
    -13

    9
    )
    ,
    2

    7
    )
Question 11
11.
    • Solve
    • (
      4
      x
      2
      y
      +
      4
      )
      =
      2
      (
      3
      x
      3
      y
      1
      )
      =
      3
  • (i)
    (
    (
    -7

    11
    )
    ,
    (
    -5

    9
    )
    )
  • (ii)
    (
    (
    -7

    9
    )
    ,
    (
    -5

    9
    )
    )
  • (iii)
    (
    (
    -5

    9
    )
    ,
    (
    -7

    9
    )
    )
  • (iv)
    (
    (
    -5

    9
    )
    ,
    (
    -5

    7
    )
    )
  • (v)
    (
    (
    -7

    11
    )
    ,
    (
    -5

    7
    )
    )
Question 12
12.
    • Solve
    • (
      4
      x
      5
      y
      +
      3
      )
      =
      (
      4
      x
      2
      y
      +
      3
      )
      (
      4
      x
      +
      3
      y
      4
      )
      =
      (
      2
      x
      4
      y
      5
      )
  • (i)
    (
    5

    74
    ,
    (
    -6

    37
    )
    )
  • (ii)
    (
    3

    76
    ,
    (
    -4

    37
    )
    )
  • (iii)
    (
    3

    76
    ,
    (
    -4

    35
    )
    )
  • (iv)
    (
    5

    74
    ,
    (
    -4

    35
    )
    )
  • (v)
    (
    3

    74
    ,
    (
    -4

    37
    )
    )
    Assignment Key

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