EduSahara™ Assignment
Name : Two Variable Problems
Chapter : Linear Equations and Simultaneous Linear Equations
Grade : ICSE Grade IX
License : Non Commercial Use
Question 1
1.
    • Solve
    • (
      16
      x
      +
      4
      y
      +
      44
      )
      =
      0
      (
      7
      x
      +
      14
      y
      91
      )
      =
      0
  • (i)
    (
    7
    ,
    9
    )
  • (ii)
    (
    6
    ,
    9
    )
  • (iii)
    (
    5
    ,
    7
    )
  • (iv)
    (
    5
    ,
    8
    )
  • (v)
    (
    5
    ,
    9
    )
Question 2
2.
    • Solve
    • (
      2
      x
      4
      y
      )
      =
      0
      (
      4
      x
      5
      y
      +
      3
      )
      =
      0
  • (i)
    (
    2
    ,
    -1
    )
  • (ii)
    (
    5
    ,
    -4
    )
  • (iii)
    (
    3
    ,
    -2
    )
  • (iv)
    (
    3
    ,
    -1
    )
  • (v)
    (
    5
    ,
    -2
    )
Question 3
3.
    • Solve
    • (
      2
      x
      y
      4
      )
      =
      (
      4
      )
      (
      4
      x
      +
      5
      y
      2
      )
      =
      4
  • (i)
    (
    0
    ,
    2
    )
  • (ii)
    (
    -1
    ,
    2
    )
  • (iii)
    (
    1
    ,
    -1
    )
  • (iv)
    (
    1
    ,
    1
    )
  • (v)
    (
    0
    ,
    1
    )
Question 4
4.
    • Solve
    • (
      x
      +
      y
      +
      5
      )
      =
      (
      2
      x
      +
      2
      y
      +
      4
      )
      (
      2
      x
      +
      5
      y
      +
      5
      )
      =
      (
      4
      x
      4
      y
      3
      )
  • (i)
    (
    19

    33
    ,
    (
    -8

    11
    )
    )
  • (ii)
    (
    19

    33
    ,
    (
    -2

    3
    )
    )
  • (iii)
    (
    17

    35
    ,
    (
    -6

    11
    )
    )
  • (iv)
    (
    17

    33
    ,
    (
    -6

    11
    )
    )
  • (v)
    (
    17

    35
    ,
    (
    -2

    3
    )
    )
Question 5
5.
    • Solve
    • (
      8
      x
      13
      y
      25
      )
      =
      0
      (
      2
      x
      12
      y
      50
      )
      =
      0
  • (i)
    (
    -5
    ,
    -8
    )
  • (ii)
    (
    -5
    ,
    -5
    )
  • (iii)
    (
    -5
    ,
    -6
    )
  • (iv)
    (
    -3
    ,
    -5
    )
  • (v)
    (
    -4
    ,
    -5
    )
Question 6
6.
    • Solve
    • (
      3
      x
      2
      y
      5
      )
      =
      0
      (
      2
      x
      +
      5
      y
      +
      2
      )
      =
      0
  • (i)
    (
    (
    -23

    13
    )
    ,
    4

    9
    )
  • (ii)
    (
    (
    -23

    13
    )
    ,
    4

    11
    )
  • (iii)
    (
    (
    -19

    11
    )
    ,
    4

    9
    )
  • (iv)
    (
    (
    -19

    11
    )
    ,
    2

    11
    )
  • (v)
    (
    (
    -21

    11
    )
    ,
    4

    11
    )
Question 7
7.
    • Solve
    • (
      3
      x
      4
      y
      2
      )
      =
      5
      (
      x
      +
      5
      y
      5
      )
      =
      4
  • (i)
    (
    73

    11
    ,
    28

    9
    )
  • (ii)
    (
    71

    11
    ,
    34

    11
    )
  • (iii)
    (
    83

    13
    ,
    34

    11
    )
  • (iv)
    (
    83

    13
    ,
    28

    9
    )
  • (v)
    (
    73

    11
    ,
    32

    11
    )
Question 8
8.
    • Solve
    • (
      2
      x
      4
      y
      +
      4
      )
      =
      (
      3
      x
      +
      5
      y
      +
      3
      )
      (
      3
      x
      +
      5
      y
      +
      3
      )
      =
      (
      x
      y
      5
      )
  • (i)
    (
    (
    -11

    7
    )
    ,
    (
    -2

    19
    )
    )
  • (ii)
    (
    (
    -5

    3
    )
    ,
    (
    -2

    19
    )
    )
  • (iii)
    (
    (
    -5

    3
    )
    ,
    (
    -2

    21
    )
    )
  • (iv)
    (
    (
    -11

    7
    )
    ,
    (
    -4

    21
    )
    )
  • (v)
    (
    (
    -13

    7
    )
    ,
    (
    -2

    21
    )
    )
Question 9
9.
    • Solve
    • (
      3
      y
      12
      )
      =
      0
      (
      2
      x
      y
      +
      10
      )
      =
      0
  • (i)
    (
    -3
    ,
    3
    )
  • (ii)
    (
    -3
    ,
    4
    )
  • (iii)
    (
    0
    ,
    4
    )
  • (iv)
    (
    -3
    ,
    2
    )
  • (v)
    (
    -2
    ,
    4
    )
Question 10
10.
    • Solve
    • (
      3
      x
      +
      2
      y
      4
      )
      =
      0
      (
      5
      x
      +
      4
      y
      +
      5
      )
      =
      0
  • (i)
    (
    -1
    ,
    1

    4
    )
  • (ii)
    (
    -1
    ,
    3

    22
    )
  • (iii)
    (
    (
    -15

    13
    )
    ,
    5

    22
    )
  • (iv)
    (
    (
    -13

    11
    )
    ,
    5

    22
    )
  • (v)
    (
    (
    -15

    13
    )
    ,
    1

    4
    )
Question 11
11.
    • Solve
    • (
      5
      x
      5
      y
      2
      )
      =
      (
      2
      )
      (
      2
      x
      +
      y
      )
      =
      2
  • (i)
    (
    2

    5
    ,
    2

    3
    )
  • (ii)
    (
    4

    3
    ,
    0
    )
  • (iii)
    (
    2

    5
    ,
    2
    )
  • (iv)
    (
    2

    3
    ,
    2

    3
    )
  • (v)
    (
    4

    3
    ,
    2
    )
Question 12
12.
    • Solve
    • (
      x
      +
      4
      y
      +
      4
      )
      =
      (
      4
      x
      5
      y
      4
      )
      (
      x
      y
      2
      )
      =
      (
      x
      +
      4
      y
      2
      )
  • (i)
    (
    14

    11
    ,
    (
    -6

    11
    )
    )
  • (ii)
    (
    40

    33
    ,
    (
    -16

    33
    )
    )
  • (iii)
    (
    6

    5
    ,
    (
    -16

    31
    )
    )
  • (iv)
    (
    14

    11
    ,
    (
    -16

    31
    )
    )
  • (v)
    (
    6

    5
    ,
    (
    -16

    33
    )
    )
    Assignment Key

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