EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Equation of a Straight Line
Grade : ICSE Grade X
License : Non Commercial Use
Question 1
1.
    • Find the value of k such that the points
    • (
      (
      4
      )
      ,
      (
      7
      )
      )
    • ,
    • (
      1

      2
      ,
      (
      23

      8
      )
      )
    • and
    • (k,4)
    • are collinear
  • (i)
    8
  • (ii)
    7
  • (iii)
    5
  • (iv)
    9
  • (v)
    11
Question 2
2.
    • Which of the displayed lines represent the equation
    • y
      =
      3
  • (i)
      • line with point
      • Q
  • (ii)
      • line with point
      • S
  • (iii)
      • line with point
      • R
  • (iv)
      • line with point
      • T
  • (v)
      • line with point
      • U
Question 3
3.
    • Find the equation of a straight line parallel to x-axis and
    • passing through the point
    • (
      (
      1
      )
      ,
      2
      )
  • (i)
    x
    =
    (
    1
    )
  • (ii)
    y
    =
    4
  • (iii)
    x
    =
    1
  • (iv)
    y
    =
    1
  • (v)
    y
    =
    2
Question 4
4.
    • Find the x-intercept of the line which is parallel to the line
    • (
      8
      x
      2
      y
      48
      )
      =
      0
    • and
    • making a y-intercept of
    • 4
  • (i)
    3
  • (ii)
    -1
  • (iii)
    1
  • (iv)
    0
  • (v)
    2
Question 5
5.
    • The equation of the line passing through
    • (
      4
      ,
      (
      8
      )
      )
    • and perpendicular to the line
    • (
      12
      x
      +
      6
      y
      +
      36
      )
      =
      0
    • is
  • (i)
    (
    8
    x
    48
    )
    =
    0
  • (ii)
    (
    4
    x
    +
    6
    y
    +
    36
    )
    =
    0
  • (iii)
    (
    x
    +
    2
    y
    2
    )
    =
    0
  • (iv)
    (
    14
    x
    10
    y
    24
    )
    =
    0
  • (v)
    (
    x
    +
    2
    y
    +
    20
    )
    =
    0
Question 6
6.
    • The equation of the line passing through the point
    • (
      4
      ,
      (
      1
      )
      )
    • and slope
    • (
      3
      )
    • is
  • (i)
    (
    11
    x
    +
    12
    y
    +
    18
    )
    =
    0
  • (ii)
    (
    5
    x
    +
    10
    y
    10
    )
    =
    0
  • (iii)
    (
    12
    x
    6
    y
    48
    )
    =
    0
  • (iv)
    (
    6
    x
    2
    y
    +
    22
    )
    =
    0
Question 7
7.
    • The equation of the line parallel to
    • (
      14
      x
      +
      y
      +
      50
      )
      =
      0
    • and making a y-intercept of
    • (-4)
    • is
  • (i)
    (
    14
    x
    +
    y
    +
    4
    )
    =
    0
  • (ii)
    (
    10
    x
    4
    y
    16
    )
    =
    0
  • (iii)
    (
    4
    x
    3
    y
    12
    )
    =
    0
  • (iv)
    (
    10
    y
    +
    60
    )
    =
    0
  • (v)
    (
    14
    x
    9
    y
    30
    )
    =
    0
Question 8
8.
    • The equation of the line passing through
    • (
      2
      ,
      8
      )
    • and
    • having the same y-intercept as
    • (
      5
      x
      +
      12
      y
      32
      )
      =
      0
    • is
  • (i)
    (
    16

    3
    x
    +
    4
    y
    16

    3
    )
    =
    0
  • (ii)
    (
    2
    x
    10
    y
    +
    76
    )
    =
    0
  • (iii)
    (
    16
    x
    +
    2
    y
    16

    3
    )
    =
    0
  • (iv)
    (
    16

    3
    x
    +
    2
    y
    16

    3
    )
    =
    0
  • (v)
    (
    2
    x
    12
    y
    +
    76
    )
    =
    0
Question 9
9.
Two straight lines are perpendicular if and only if the product of their slopes is
  • (i)
    90
  • (ii)
    0
  • (iii)
    -1
  • (iv)
    1
  • (v)
    undefined
Question 10
10.
    • Find the equation of the line through
    • (
      (
      3
      )
      ,
      (
      2
      )
      )
    • and x-intercept
    •  
    • 6
  • (i)
    (
    8
    x
    3
    y
    +
    18
    )
    =
    0
  • (ii)
    (
    8
    x
    y
    +
    18
    )
    =
    0
  • (iii)
    (
    2
    x
    9
    y
    12
    )
    =
    0
  • (iv)
    (
    2
    x
    7
    y
    12
    )
    =
    0
  • (v)
    (
    x
    9
    y
    12
    )
    =
    0
Question 11
11.
Two straight lines are parallel if and only if their slopes are
  • (i)
    equal
  • (ii)
    unequal
  • (iii)
    undefined
  • (iv)
    0
  • (v)
    1
Question 12
12.
    • Find the coordinates of the orthocentre of the triangle
    • whose vertices are
    • (
      2
      ,
      0
      )
    • ,
    • (
      (
      5
      )
      ,
      (
      3
      )
      )
    • and
    • (
      (
      3
      )
      ,
      5
      )
  • (i)
    (
    4

    5
    ,
    14

    5
    )
  • (ii)
    (
    (
    1

    5
    )
    ,
    (
    1

    5
    )
    )
  • (iii)
    (
    (
    11

    5
    )
    ,
    9

    5
    )
  • (iv)
    (
    (
    6

    5
    )
    ,
    4

    5
    )
  • (v)
    (
    (
    16

    5
    )
    ,
    (
    6

    5
    )
    )
Question 13
13.
    • The equation of the line with slope
    • m
    • 0 and y-intercept
    • c
    • 0 is
  • (i)
    y
    =
    m
    x
    +
    c
  • (ii)
    x
    =
    0
  • (iii)
    y
    =
    0
  • (iv)
    y
    =
    m
    x
  • (v)
    x
    =
    m
    y
    +
    c
Question 14
14.
    • The equation of the line perpendicular to
    • (
      7
      x
      +
      8
      y
      17
      )
      =
      0
    • and making a y-intercept of
    • 1
    • is
  • (i)
    (
    9
    y
    36
    )
    =
    0
  • (ii)
    (
    8
    x
    +
    7
    y
    7
    )
    =
    0
  • (iii)
    (
    7
    x
    y
    +
    10
    )
    =
    0
  • (iv)
    (
    5
    x
    7
    y
    +
    7
    )
    =
    0
  • (v)
    (
    2
    x
    +
    y
    1
    )
    =
    0
Question 15
15.
    • Find equation of the right bisector of the line segment
    • joining the points
    • (
      0
      ,
      (
      1
      )
      )
    • and
    • (
      5
      ,
      (
      7
      )
      )
  • (i)
    (
    5
    x
    +
    6
    y
    +
    67
    )
    =
    0
  • (ii)
    (
    5
    x
    +
    6
    y
    +
    17
    )
    =
    0
  • (iii)
    (
    6
    x
    +
    5
    y
    57
    )
    =
    0
  • (iv)
    (
    5
    x
    +
    6
    y
    +
    6
    )
    =
    0
  • (v)
    (
    10
    x
    +
    12
    y
    +
    73
    )
    =
    0
Question 16
16.
    • Which of the following pairs of lines are parallel?
  • (i)
      • (
        8
        x
        +
        2
        y
        38
        )
        =
        0
      • ,
      • (
        x
        +
        4
        y
        19
        )
        =
        0
  • (ii)
      • (
        8
        x
        +
        2
        y
        38
        )
        =
        0
      • ,
      • (
        3
        x
        +
        4
        y
        23
        )
        =
        0
  • (iii)
      • (
        8
        x
        +
        2
        y
        38
        )
        =
        0
      • ,
      • (
        8
        x
        +
        2
        y
        60
        )
        =
        0
  • (iv)
      • (
        8
        x
        +
        2
        y
        38
        )
        =
        0
      • ,
      • (
        10
        x
        +
        2
        y
        74
        )
        =
        0
Question 17
17.
    • Find the point of intersection of
    • (
      9
      y
      +
      45
      )
      =
      0
    • and
    • the line joining points
    • (
      3
      ,
      (
      7
      )
      )
    • and
    • (
      0
      ,
      4
      )
  • (i)
    (
    16

    11
    ,
    (
    4
    )
    )
  • (ii)
    (
    27

    11
    ,
    (
    5
    )
    )
  • (iii)
    (
    5

    11
    ,
    (
    7
    )
    )
  • (iv)
    (
    38

    11
    ,
    (
    6
    )
    )
  • (v)
    (
    49

    11
    ,
    (
    3
    )
    )
Question 18
18.
    • Find the point of intersection of
    • (
      3
      x
      15
      )
      =
      0
    • and
    • the line joining points
    • (
      8
      ,
      (
      7
      )
      )
    • and
    • (
      (
      8
      )
      ,
      1
      )
  • (i)
    (
    3
    ,
    (
    15

    2
    )
    )
  • (ii)
    (
    7
    ,
    (
    7

    2
    )
    )
  • (iii)
    (
    5
    ,
    (
    11

    2
    )
    )
  • (iv)
    (
    4
    ,
    (
    9

    2
    )
    )
  • (v)
    (
    6
    ,
    (
    13

    2
    )
    )
Question 19
19.
    • Find the equation of the line passing through the points
    • (
      (
      1
      )
      ,
      2
      )
    • and
    • (
      (
      4
      )
      ,
      (
      5
      )
      )
  • (i)
    (
    7
    x
    +
    3
    y
    13
    )
    =
    0
  • (ii)
    (
    6
    x
    +
    3
    y
    13
    )
    =
    0
  • (iii)
    (
    8
    x
    +
    3
    y
    13
    )
    =
    0
  • (iv)
    (
    7
    x
    +
    3
    y
    6
    )
    =
    0
  • (v)
    (
    7
    x
    +
    3
    y
    16
    )
    =
    0
Question 20
20.
    • The equation of the line passing through
    • the origin and
    • having a slope
    • m
    • 0 is
  • (i)
    x
    =
    m
    y
    +
    c
  • (ii)
    y
    =
    m
    x
    +
    c
  • (iii)
    y
    =
    m
    x
  • (iv)
    y
    =
    0
  • (v)
    x
    =
    0
Question 21
21.
    • Which of the following lines do not pass through the origin?
  • (i)
    (
    2
    x
    3
    y
    )
    =
    0
  • (ii)
    (
    6
    x
    +
    8
    y
    )
    =
    0
  • (iii)
    (
    x
    5
    y
    )
    =
    0
  • (iv)
    (
    5
    x
    +
    13
    y
    +
    72
    )
    =
    0
  • (v)
    (
    4
    x
    +
    4
    y
    )
    =
    0
Question 22
22.
The equation of the x-axis is
a)
    • y
      =
      0
b)
    • x
      =
      0
c)
    • y
      =
      1
d)
    • x
      =
      1
e)
    • x
      =
      y
  • (i)
    {a}
  • (ii)
    {b,a}
  • (iii)
    {d,e,a}
  • (iv)
    {c,a}
Question 23
23.
    • In equation of the line
    • y
      =
      m
      x
      +
      c
    • , the slope is
  • (i)
    x
  • (ii)
    undefined
  • (iii)
    m
  • (iv)
    y
  • (v)
    c
Question 24
24.
    • Find the equation perpendicular to the given equation
    • (
      5
      x
      +
      6
      y
      1
      )
      =
      0
  • (i)
    (
    5
    x
    +
    6
    y
    7
    )
    =
    0
  • (ii)
    (
    11
    x
    +
    5
    y
    +
    73
    )
    =
    0
  • (iii)
    (
    6
    x
    +
    5
    y
    +
    23
    )
    =
    0
  • (iv)
    (
    x
    +
    6
    y
    +
    14
    )
    =
    0
Question 25
25.
    • Find the equation of the line through
    • (
      4
      ,
      6
      )
    • and y-intercept
    •  
    • 2
  • (i)
    (
    4
    x
    +
    6
    y
    8
    )
    =
    0
  • (ii)
    (
    5
    x
    +
    4
    y
    8
    )
    =
    0
  • (iii)
    (
    6
    x
    +
    5
    y
    +
    12
    )
    =
    0
  • (iv)
    (
    6
    x
    +
    2
    y
    +
    12
    )
    =
    0
  • (v)
    (
    4
    x
    +
    4
    y
    8
    )
    =
    0
    Assignment Key

  •  1) (i)
  •  2) (i)
  •  3) (v)
  •  4) (iii)
  •  5) (v)
  •  6) (iv)
  •  7) (i)
  •  8) (iv)
  •  9) (iii)
  •  10) (iii)
  •  11) (i)
  •  12) (iv)
  •  13) (i)
  •  14) (ii)
  •  15) (v)
  •  16) (iii)
  •  17) (ii)
  •  18) (iii)
  •  19) (i)
  •  20) (iii)
  •  21) (iv)
  •  22) (i)
  •  23) (iii)
  •  24) (iii)
  •  25) (v)