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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 is a linear equation in two variable?
(
6
x
−
5
y
+
z
−
7
)
=
0
(
14
x
2
−
55
x
y
−
68
x
−
36
y
2
+
22
y
+
48
)
=
0
(
8
x
+
2
y
+
7
)
=
0
(
−
16
x
2
+
40
x
+
56
)
=
0
(
9
x
−
8
)
=
0
Question
2
2.
Find the equation of the line passing through the points
(
1
,
3
)
and
(
8
,
(
−
1
)
)
(
−
5
x
−
7
y
+
25
)
=
0
(
−
4
x
−
7
y
+
25
)
=
0
(
4
x
+
7
y
−
32
)
=
0
(
4
x
+
7
y
−
29
)
=
0
(
−
3
x
−
7
y
+
25
)
=
0
Question
3
3.
Find the set of points satisfying the equation
y
=
(
4
3
x
+
7
)
(
(
−
2
)
,
13
3
)
,
(
(
−
1
)
,
17
3
)
,
(
(
−
2
)
,
5
)
,
(
1
,
25
3
)
,
(
2
,
29
3
)
(
(
−
2
)
,
13
3
)
,
(
(
−
1
)
,
17
3
)
,
(
1
,
6
)
,
(
1
,
25
3
)
,
(
2
,
29
3
)
(
(
−
2
)
,
13
3
)
,
(
(
−
1
)
,
17
3
)
,
(
0
,
7
)
,
(
1
,
25
3
)
,
(
4
,
35
3
)
(
(
−
2
)
,
13
3
)
,
(
(
−
1
)
,
17
3
)
,
(
0
,
7
)
,
(
0
,
28
3
)
,
(
2
,
29
3
)
(
(
−
2
)
,
13
3
)
,
(
(
−
1
)
,
17
3
)
,
(
0
,
7
)
,
(
1
,
25
3
)
,
(
2
,
29
3
)
Question
4
4.
Which of the following equations satisfy the given points
(
(
−
2
)
,
27
13
)
,
(
(
−
1
)
,
12
13
)
,
(
0
,
(
−
3
13
)
)
,
(
1
,
(
−
18
13
)
)
,
(
2
,
(
−
33
13
)
)
?
(
12
x
+
7
y
−
2
)
=
0
x
=
5
y
=
(
−
4
)
(
−
15
x
−
13
y
−
3
)
=
0
x
=
(
15
13
y
+
125
13
)
Question
5
5.
Find the set of points satisfying the equation
x
=
(
−
5
)
(
(
−
5
)
,
(
−
2
)
)
,
(
(
−
5
)
,
(
−
1
)
)
,
(
(
−
5
)
,
0
)
,
(
(
−
5
)
,
1
)
,
(
(
−
5
)
,
2
)
(
(
−
5
)
,
(
−
2
)
)
,
(
(
−
5
)
,
(
−
1
)
)
,
(
(
−
5
)
,
0
)
,
(
(
−
6
)
,
2
)
,
(
(
−
5
)
,
2
)
(
(
−
5
)
,
(
−
2
)
)
,
(
(
−
5
)
,
(
−
1
)
)
,
(
(
−
5
)
,
0
)
,
(
(
−
5
)
,
1
)
,
(
(
−
3
)
,
4
)
(
(
−
5
)
,
(
−
2
)
)
,
(
(
−
5
)
,
(
−
1
)
)
,
(
(
−
4
)
,
(
−
1
)
)
,
(
(
−
5
)
,
1
)
,
(
(
−
5
)
,
2
)
(
(
−
5
)
,
(
−
2
)
)
,
(
(
−
5
)
,
(
−
1
)
)
,
(
(
−
7
)
,
(
−
2
)
)
,
(
(
−
5
)
,
1
)
,
(
(
−
5
)
,
2
)
Question
6
6.
The equation of the line passing through the points
(
5
,
(
−
2
)
)
and
(
7
,
(
−
1
)
)
is
(
6
x
+
7
y
−
35
)
=
0
(
x
−
2
y
−
9
)
=
0
(
7
x
+
5
y
−
25
)
=
0
(
2
x
−
5
y
+
25
)
=
0
Question
7
7.
The linear equation
(
8
x
+
2
y
)
=
(
−
8
x
−
5
y
−
6
)
is equivalent to
(
17
x
+
7
y
+
6
)
=
0
(
8
x
+
2
y
)
=
(
−
8
x
−
2
y
−
6
)
(
15
x
+
7
y
+
6
)
=
0
(
8
x
+
2
y
)
=
(
−
8
x
−
8
y
−
6
)
(
16
x
+
7
y
+
6
)
=
0
Question
8
8.
Which of the following equations satisfy the given points
(
(
−
2
)
,
(
−
1
)
)
,
(
(
−
1
)
,
(
−
2
)
)
,
(
0
,
(
−
3
)
)
,
(
1
,
(
−
4
)
)
,
(
2
,
(
−
5
)
)
?
y
=
(
−
x
−
3
)
x
=
(
−
8
)
y
=
5
(
−
8
x
−
8
y
+
32
)
=
0
x
=
(
y
−
13
)
Question
9
9.
Which of the displayed lines represent the equation
y
=
6
line with point
O
line with point
N
line with point
Q
line with point
R
line with point
P
Question
10
10.
The value of
y
in terms of other variables and constant in
(
−
3
x
+
8
y
−
5
)
=
(
5
x
+
6
y
−
1
)
is
y
=
4
x
y
=
(
5
x
+
2
)
y
=
(
3
x
+
2
)
y
=
(
4
x
+
4
)
y
=
(
4
x
+
2
)
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