EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Equation of a Straight Line
Grade : ICSE Grade X
License : Non Commercial Use
Question 1
1.
    • If
    • a
      x
      +
      b
      y
      +
      c
      = 0
    • is a straight line, the y-intercept is
  • (i)
    -c

    a
  • (ii)
    b
  • (iii)
    -c

    b
  • (iv)
    a
  • (v)
    c
Question 2
2.
    • If the equation of a line is
    • y
      =
      m
      x
      +
      c
    • ,
    • what is the intercept form of the equation?
  • (i)
    x

    (
    m

    -c
    )
    +
     
     
    y

    (
    m

    c
    )
    = 1
     
     
  • (ii)
    x

    (
    -c

    m
    )
    +
     
     
    y

    (
    c

    1
    )
    = 1
     
     
  • (iii)
    x

    (
    m

    -c
    )
    +
     
     
    y

    (
    c

    1
    )
    = 1
     
     
  • (iv)
    x

    (
    m

    c
    )
    +
     
     
    y

    (
    c

    m
    )
    = 1
     
     
Question 3
3.
    • The equation of the line passing through the point
    • (
      8
      ,
      (
      −
      2
      )
      )
    • and slope
    • (
      −
      7

      3
      )
    • is
  • (i)
    (
    7
    x
    +
    3
    y
    −
    50
    )
    =
    0
  • (ii)
    (
    −
    2
    x
    +
    9
    y
    −
    32
    )
    =
    0
  • (iii)
    (
    6
    x
    +
    6
    y
    −
    36
    )
    =
    0
  • (iv)
    (
    −
    x
    +
    3
    y
    −
    10
    )
    =
    0
Question 4
4.
    • Find the value of k such that the points
    • (
      (
      −
      9
      )
      ,
      (
      −
      5
      )
      )
    • ,
    • (
      (
      −
      4
      )
      ,
      15

      4
      )
    • and
    • (k,9)
    • are collinear
  • (i)
    1
  • (ii)
    -1
  • (iii)
    -4
  • (iv)
    0
  • (v)
    -2
Question 5
5.
    • The equation of the line passing through
    • (
      7
      ,
      1
      )
    • and
    • having the same y-intercept as
    • (
      −
      x
      −
      5
      y
      +
      26
      )
      =
      0
    • is
  • (i)
    (
    21

    5
    x
    +
    7
    y
    −
    182

    5
    )
    =
    0
  • (ii)
    (
    7
    x
    +
    7
    y
    −
    182

    5
    )
    =
    0
  • (iii)
    (
    21

    5
    x
    +
    10
    y
    −
    182

    5
    )
    =
    0
  • (iv)
    (
    −
    4
    x
    −
    6
    y
    +
    34
    )
    =
    0
  • (v)
    (
    −
    4
    x
    −
    9
    y
    +
    34
    )
    =
    0
Question 6
6.
    • If
    • a
      x
      +
      b
      y
      +
      c
      = 0
    • is a straight line, the x-intercept is
  • (i)
    a
  • (ii)
    c
  • (iii)
    -c

    b
  • (iv)
    b
  • (v)
    -c

    a
Question 7
7.
Find the slope of the displayed line
  • (i)
    2
  • (ii)
    4
  • (iii)
    5
  • (iv)
    8
  • (v)
    6
Question 8
8.
The slope of any line parallel to y-axis is
  • (i)
    -1
  • (ii)
    undefined
  • (iii)
    1
  • (iv)
    90
  • (v)
    zero
Question 9
9.
    • Find the equation of the line through
    • (
      (
      −
      8
      )
      ,
      2
      )
    • and x-intercept
    •  
    • 9
  • (i)
    (
    −
    2
    x
    −
    14
    y
    +
    18
    )
    =
    0
  • (ii)
    (
    −
    2
    x
    −
    17
    y
    +
    18
    )
    =
    0
  • (iii)
    (
    7
    x
    −
    8
    y
    +
    72
    )
    =
    0
  • (iv)
    (
    7
    x
    −
    6
    y
    +
    72
    )
    =
    0
  • (v)
    (
    −
    3
    x
    −
    17
    y
    +
    18
    )
    =
    0
Question 10
10.
    • Find the value of k such that the points
    • (
      (
      −
      7
      )
      ,
      (
      −
      3
      )
      )
    • ,
    • (
      (
      −
      33

      5
      )
      ,
      (
      −
      1
      )
      )
    • and
    • (-5,k)
    • are collinear
  • (i)
    7
  • (ii)
    5
  • (iii)
    6
  • (iv)
    8
  • (v)
    10
Question 11
11.
    • Find the y-intercept of the line passing
    • through points
    • (
      1
      ,
      (
      −
      5
      )
      )
    • and
    • (
      (
      −
      8
      )
      ,
      3
      )
  • (i)
    (
    -29

    7
    )
  • (ii)
    (
    -4
    5

    8
    )
  • (iii)
    (
    -13

    3
    )
  • (iv)
    (
    -4
    1

    9
    )
  • (v)
    (
    -35

    9
    )
Question 12
12.
The equation of the x-axis is
a)
    • x
      =
      y
b)
    • y
      =
      1
c)
    • x
      =
      1
d)
    • x
      =
      0
e)
    • y
      =
      0
  • (i)
    {e}
  • (ii)
    {b,e}
  • (iii)
    {c,d,e}
  • (iv)
    {a,e}
Question 13
13.
    • The slope of a line parallel to the line
    • (
      12
      x
      +
      4
      y
      −
      12
      )
      =
      0
    • is
  • (i)
    -2
  • (ii)
    -6
  • (iii)
    0
  • (iv)
    -4
  • (v)
    -3
Question 14
14.
    • The points B
    • (
      3
      ,
      4
      )
    • and D
    • (
      (
      −
      5
      )
      ,
      6
      )
    • are the opposite vertices
    • of a square ABCD. Find the other two vertices
  • (i)
    • (
      0
      ,
      3
      )
    • ,
    • (
      0
      ,
      9
      )
  • (ii)
    • (
      (
      −
      1
      )
      ,
      0
      )
    • ,
    • (
      0
      ,
      9
      )
  • (iii)
    • (
      (
      −
      2
      )
      ,
      1
      )
    • ,
    • (
      (
      −
      1
      )
      ,
      10
      )
  • (iv)
    • (
      (
      −
      4
      )
      ,
      (
      −
      1
      )
      )
    • ,
    • (
      0
      ,
      9
      )
  • (v)
    • (
      (
      −
      2
      )
      ,
      1
      )
    • ,
    • (
      0
      ,
      9
      )
Question 15
15.
Which of the following are true?
a)
Slope of any line parallel to y-axis is zero
b)
Slope of any line parallel to y-axis is not defined
c)
Slope of any line parallel to x-axis is not defined
d)
Slope of any line parallel to x-axis is zero
  • (i)
    {a,c,b}
  • (ii)
    {c,d}
  • (iii)
    {a,b}
  • (iv)
    {a,d,b}
  • (v)
    {b,d}
Question 16
16.
    • (
      (
      −
      1
      )
      ,
      5
      )
    • ,
    • (
      7
      ,
      (
      −
      1
      )
      )
    • and
    • (
      5
      ,
      5
      )
    • are the vertices of triangle ABC.
    • Find the equation of the altitude of the triangle through vertex C
  • (i)
    (
    −
    4
    x
    +
    5
    )
    =
    0
  • (ii)
    (
    −
    4
    x
    +
    3
    y
    +
    5
    )
    =
    0
  • (iii)
    (
    −
    4
    x
    +
    5
    y
    +
    5
    )
    =
    0
  • (iv)
    (
    −
    x
    +
    3
    y
    −
    16
    )
    =
    0
  • (v)
    (
    x
    −
    7
    )
    =
    0
Question 17
17.
Two straight lines are perpendicular if and only if the product of their slopes is
  • (i)
    undefined
  • (ii)
    1
  • (iii)
    0
  • (iv)
    -1
  • (v)
    90
Question 18
18.
    • Find the point of intersection of y-axis and
    • the line joining points
    • (
      (
      −
      7
      )
      ,
      (
      −
      2
      )
      )
    • and
    • (
      3
      ,
      (
      −
      5
      )
      )
  • (i)
    (
    41

    3
    ,
    0
    )
  • (ii)
    (
    0
    ,
    (
    −
    41

    3
    )
    )
  • (iii)
    (
    0
    ,
    (
    −
    41

    10
    )
    )
  • (iv)
    (
    0
    ,
    41

    10
    )
Question 19
19.
    • The slope of a line perpendicular to the line
    • (
      x
      +
      9
      y
      −
      10
      )
      =
      0
    • is
  • (i)
    12
  • (ii)
    10
  • (iii)
    7
  • (iv)
    8
  • (v)
    9
Question 20
20.
    • Which of the following equations satisfy the given points
      • (
        (
        −
        2
        )
        ,
        (
        −
        77

        5
        )
        )
      • ,
      • (
        (
        −
        1
        )
        ,
        (
        −
        93

        5
        )
        )
      • ,
      • (
        0
        ,
        (
        −
        109

        5
        )
        )
      • ,
      • (
        1
        ,
        (
        −
        25
        )
        )
      • ,
      • (
        2
        ,
        (
        −
        141

        5
        )
        )
    • ?
  • (i)
    x
    =
    (
    16

    5
    y
    −
    157

    5
    )
  • (ii)
    y
    =
    (
    −
    16

    5
    x
    −
    109

    5
    )
  • (iii)
    x
    =
    (
    −
    9
    )
  • (iv)
    y
    =
    7
  • (v)
    (
    3
    x
    +
    2
    y
    −
    1
    )
    =
    0
Question 21
21.
Find the equation parallel to the given equation
  • (i)
    (
    −
    7
    x
    −
    7
    y
    +
    5
    )
    =
    0
  • (ii)
    (
    −
    7
    x
    +
    7
    y
    +
    9
    )
    =
    0
  • (iii)
    (
    y
    +
    2
    )
    =
    0
  • (iv)
    (
    −
    14
    x
    +
    7
    y
    +
    28
    )
    =
    0
Question 22
22.
    • Find the point of intersection of
    • (
      10
      y
      +
      50
      )
      =
      0
    • and
    • the line joining points
    • (
      (
      −
      2
      )
      ,
      (
      −
      4
      )
      )
    • and
    • (
      5
      ,
      1
      )
  • (i)
    (
    (
    −
    12

    5
    )
    ,
    (
    −
    6
    )
    )
  • (ii)
    (
    (
    −
    17

    5
    )
    ,
    (
    −
    5
    )
    )
  • (iii)
    (
    (
    −
    7

    5
    )
    ,
    (
    −
    3
    )
    )
  • (iv)
    (
    (
    −
    22

    5
    )
    ,
    (
    −
    4
    )
    )
  • (v)
    (
    (
    −
    27

    5
    )
    ,
    (
    −
    7
    )
    )
Question 23
23.
    • The equation of the line passing through
    • the origin and
    • having a slope
    • m
    • ≠
    • 0 is
  • (i)
    y
    =
    m
    x
    +
    c
  • (ii)
    y
    =
    0
  • (iii)
    x
    =
    m
    y
    +
    c
  • (iv)
    y
    =
    m
    x
  • (v)
    x
    =
    0
Question 24
24.
Find the x-intercept of the displayed line
  • (i)
    1

    6
  • (ii)
    -6
  • (iii)
    -23
  • (iv)
    3
    5

    6
Question 25
25.
    • Which of the following equations satisfy the given points
      • (
        (
        −
        2
        )
        ,
        4
        )
      • ,
      • (
        (
        −
        1
        )
        ,
        9

        4
        )
      • ,
      • (
        0
        ,
        1

        2
        )
      • ,
      • (
        1
        ,
        (
        −
        5

        4
        )
        )
      • ,
      • (
        2
        ,
        (
        −
        3
        )
        )
    • ?
  • (i)
    x
    =
    2
  • (ii)
    (
    −
    15
    x
    −
    12
    y
    +
    21
    )
    =
    0
  • (iii)
    (
    7
    x
    +
    4
    y
    −
    2
    )
    =
    0
  • (iv)
    y
    =
    (
    −
    5

    4
    x
    −
    13

    2
    )
  • (v)
    x
    =
    (
    5

    4
    y
    +
    53

    4
    )
    Assignment Key

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