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
    • (
      3
      x
      +
      6
      y
      18
      )
      =
      0
      (
      6
      x
      +
      10
      y
      38
      )
      =
      0
  • (i)
    (
    8
    ,
    -2
    )
  • (ii)
    (
    9
    ,
    -1
    )
  • (iii)
    (
    10
    ,
    -1
    )
  • (iv)
    (
    8
    ,
    -1
    )
  • (v)
    (
    8
    ,
    -3
    )
Question 2
2.
    • Solve
    • (
      4
      x
      +
      y
      +
      4
      )
      =
      0
      (
      3
      x
      2
      y
      +
      3
      )
      =
      0
  • (i)
    (
    (
    -15

    7
    )
    ,
    24

    5
    )
  • (ii)
    (
    (
    -9

    5
    )
    ,
    16

    3
    )
  • (iii)
    (
    (
    -9

    5
    )
    ,
    22

    5
    )
  • (iv)
    (
    (
    -11

    5
    )
    ,
    24

    5
    )
  • (v)
    (
    (
    -15

    7
    )
    ,
    16

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

    7
    ,
    (
    -3

    17
    )
    )
  • (ii)
    (
    17

    19
    ,
    (
    -3

    17
    )
    )
  • (iii)
    (
    17

    19
    ,
    (
    -5

    19
    )
    )
  • (iv)
    (
    5

    7
    ,
    (
    -3

    19
    )
    )
  • (v)
    (
    15

    19
    ,
    (
    -3

    19
    )
    )
Question 4
4.
    • Solve
    • (
      3
      x
      +
      2
      y
      +
      5
      )
      =
      (
      5
      x
      +
      4
      y
      3
      )
      (
      4
      x
      3
      y
      +
      3
      )
      =
      (
      5
      x
      +
      2
      y
      )
  • (i)
    (
    17

    4
    ,
    33

    4
    )
  • (ii)
    (
    25

    6
    ,
    17

    2
    )
  • (iii)
    (
    25

    6
    ,
    33

    4
    )
  • (iv)
    (
    19

    4
    ,
    17

    2
    )
  • (v)
    (
    19

    4
    ,
    31

    4
    )
Question 5
5.
    • Solve
    • (
      3
      x
      4
      y
      +
      26
      )
      =
      0
      (
      10
      x
      +
      y
      25
      )
      =
      0
  • (i)
    (
    -1
    ,
    5
    )
  • (ii)
    (
    -2
    ,
    4
    )
  • (iii)
    (
    -2
    ,
    5
    )
  • (iv)
    (
    0
    ,
    5
    )
  • (v)
    (
    -2
    ,
    3
    )
Question 6
6.
    • Solve
    • (
      x
      +
      5
      y
      2
      )
      =
      0
      (
      2
      x
      +
      2
      y
      4
      )
      =
      0
  • (i)
    (
    (
    -2

    3
    )
    ,
    0
    )
  • (ii)
    (
    (
    -2

    3
    )
    ,
    2
    )
  • (iii)
    (
    (
    -6

    5
    )
    ,
    2

    3
    )
  • (iv)
    (
    (
    -4

    3
    )
    ,
    2

    3
    )
  • (v)
    (
    (
    -6

    5
    )
    ,
    2
    )
Question 7
7.
    • Solve
    • (
      4
      x
      5
      y
      +
      5
      )
      =
      2
      (
      x
      +
      4
      y
      +
      3
      )
      =
      5
  • (i)
    (
    0
    ,
    11

    19
    )
  • (ii)
    (
    (
    -2

    23
    )
    ,
    11

    19
    )
  • (iii)
    (
    0
    ,
    3

    7
    )
  • (iv)
    (
    (
    -2

    21
    )
    ,
    11

    21
    )
  • (v)
    (
    (
    -2

    23
    )
    ,
    11

    21
    )
Question 8
8.
    • Solve
    • (
      3
      x
      +
      2
      y
      +
      1
      )
      =
      (
      x
      +
      y
      +
      4
      )
      (
      4
      x
      +
      y
      +
      2
      )
      =
      (
      4
      x
      3
      y
      +
      1
      )
  • (i)
    (
    3

    2
    ,
    (
    -7

    2
    )
    )
  • (ii)
    (
    3

    2
    ,
    -4
    )
  • (iii)
    (
    13

    8
    ,
    (
    -7

    2
    )
    )
  • (iv)
    (
    15

    8
    ,
    (
    -9

    2
    )
    )
  • (v)
    (
    15

    8
    ,
    -4
    )
Question 9
9.
    • Solve
    • (
      5
      x
      +
      12
      y
      45
      )
      =
      0
      (
      10
      x
      +
      6
      y
      )
      =
      0
  • (i)
    (
    4
    ,
    5
    )
  • (ii)
    (
    3
    ,
    2
    )
  • (iii)
    (
    3
    ,
    4
    )
  • (iv)
    (
    6
    ,
    5
    )
  • (v)
    (
    3
    ,
    5
    )
Question 10
10.
    • Solve
    • (
      5
      x
      4
      y
      4
      )
      =
      0
      (
      2
      x
      +
      y
      1
      )
      =
      0
  • (i)
    (
    10

    13
    ,
    (
    -5

    13
    )
    )
  • (ii)
    (
    8

    15
    ,
    (
    -3

    13
    )
    )
  • (iii)
    (
    8

    13
    ,
    (
    -3

    13
    )
    )
  • (iv)
    (
    8

    15
    ,
    (
    -3

    11
    )
    )
  • (v)
    (
    10

    13
    ,
    (
    -3

    11
    )
    )
Question 11
11.
    • Solve
    • (
      3
      x
      2
      y
      +
      5
      )
      =
      5
      (
      5
      x
      2
      y
      +
      3
      )
      =
      1
  • (i)
    (
    1
    ,
    (
    -3

    2
    )
    )
  • (ii)
    (
    2
    ,
    -2
    )
  • (iii)
    (
    3
    ,
    -2
    )
  • (iv)
    (
    3
    ,
    (
    -5

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

    2
    )
    )
Question 12
12.
    • Solve
    • (
      2
      x
      +
      5
      y
      5
      )
      =
      (
      x
      y
      )
      (
      4
      x
      2
      y
      4
      )
      =
      (
      4
      x
      +
      y
      +
      1
      )
  • (i)
    (
    2
    ,
    0
    )
  • (ii)
    (
    1
    ,
    1
    )
  • (iii)
    (
    2
    ,
    1
    )
  • (iv)
    (
    4
    ,
    -2
    )
  • (v)
    (
    4
    ,
    0
    )
    Assignment Key

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