CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade IX - Linear Equations in two Variables
Question 1
1.
    • Which of the following lines do not pass through the origin?
  • (
    −
    2
    x
    −
    4
    y
    		)
    =
    0
  • (
    8
    x
    +
    2
    y
    		)
    =
    0
  • (
    x
    +
    3
    y
    +
    8
    		)
    =
    0
  • (
    −
    2
    x
    +
    2
    y
    		)
    =
    0
  • (
    7
    x
    −
    y
    		)
    =
    0
Question 2
2.
    • Find the equation of a straight line parallel to y-axis and
    • passing through the point
    • (
      3
      ,
      8
      )
  • y
    =
    10
  • x
    =
    5
  • x
    =
    2
  • y
    =
    8
  • x
    =
    3
Question 3
3.
    • Find the set of points satisfying the equation
    		•
      x
      =
      4
    • (
      4
      ,
      (
      −
      2
      )
      )
    • ,
    • (
      4
      ,
      (
      −
      1
      )
      )
    • ,
    • (
      4
      ,
      0
      )
    • ,
    • (
      4
      ,
      1
      )
    • ,
    • (
      6
      ,
      4
      )
    • (
      4
      ,
      (
      −
      2
      )
      )
    • ,
    • (
      4
      ,
      (
      −
      1
      )
      )
    • ,
    • (
      2
      ,
      (
      −
      2
      )
      )
    • ,
    • (
      4
      ,
      1
      )
    • ,
    • (
      4
      ,
      2
      )
    • (
      4
      ,
      (
      −
      2
      )
      )
    • ,
    • (
      4
      ,
      (
      −
      1
      )
      )
    • ,
    • (
      4
      ,
      0
      )
    • ,
    • (
      3
      ,
      2
      )
    • ,
    • (
      4
      ,
      2
      )
    • (
      4
      ,
      (
      −
      2
      )
      )
    • ,
    • (
      4
      ,
      (
      −
      1
      )
      )
    • ,
    • (
      5
      ,
      (
      −
      1
      )
      )
    • ,
    • (
      4
      ,
      1
      )
    • ,
    • (
      4
      ,
      2
      )
    • (
      4
      ,
      (
      −
      2
      )
      )
    • ,
    • (
      4
      ,
      (
      −
      1
      )
      )
    • ,
    • (
      4
      ,
      0
      )
    • ,
    • (
      4
      ,
      1
      )
    • ,
    • (
      4
      ,
      2
      )
Question 4
4.
    • Which of the displayed lines represent the equation
    • y
      =
      6
      • line with point
      • V
      • line with point
      • T
      • line with point
      • S
      • line with point
      • U
      • line with point
      • W
Question 5
5.
A line which is neither parallel to x-axis nor y-axis is
  • a vertical line
  • an oblique line
  • a horizontal line
  • a curved line
Question 6
6.
    • Which of the displayed lines represent the equation
    • x
      =
      1
      • line with point
      • T
      • line with point
      • S
      • line with point
      • U
      • line with point
      • R
      • line with point
      • Q
Question 7
7.
The equation of y-axis is
  • x
    =
    0
  • y
    =
    x
  • y
    =
    1
  • y
    =
    0
  • x
    =
    1
Question 8
8.
Which of the following is a linear equation in two variable?
  • (
    −
    24
    x
    2
     
    +
    50
    x
    y
    −
    78
    x
    −
    14
    y
    2
     
    +
    77
    y
    −
    63
    		)
    =
    0
  • (
    x
    +
    9
    y
    −
    9
    		)
    =
    0
  • (
    −
    12
    x
    2
     
    +
    40
    x
    −
    28
    		)
    =
    0
  • (
    4
    x
    +
    9
    		)
    =
    0
  • (
    −
    7
    x
    −
    9
    y
    −
    4
    z
    −
    4
    		)
    =
    0
Question 9
9.
Equation of a straight line which is parallel to y-axis (where k is a constant) is
  • x
    =
    0
  • x
    =
    k
  • y
    =
    0
  • x
    =
    y
  • y
    =
    k
Question 10
10.
Find the equation of the displayed line
  • y
    =
    (
    −
    8
    		)
  • 4
    y
    =
    (
    −
    7
    		)
  • x
    =
    (
    −
    7
    		)
  • y
    =
    (
    −
    7
    		)
  • y
    =
    (
    −
    6
    		)