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Class VI
Class VII
Class VIII
Class IX
Class X
ICSE Grade IX - Linear Equations and Simultaneous Linear Equations
Question
1
1.
Find the set of points satisfying the equation
y
=
(
−
2
x
−
13
)
(
(
−
2
)
,
(
−
9
)
)
,
(
(
−
1
)
,
(
−
11
)
)
,
(
1
,
(
−
14
)
)
,
(
1
,
(
−
15
)
)
,
(
2
,
(
−
17
)
)
(
(
−
2
)
,
(
−
9
)
)
,
(
(
−
1
)
,
(
−
11
)
)
,
(
0
,
(
−
13
)
)
,
(
1
,
(
−
15
)
)
,
(
4
,
(
−
15
)
)
(
(
−
2
)
,
(
−
9
)
)
,
(
(
−
1
)
,
(
−
11
)
)
,
(
0
,
(
−
13
)
)
,
(
0
,
(
−
14
)
)
,
(
2
,
(
−
17
)
)
(
(
−
2
)
,
(
−
9
)
)
,
(
(
−
1
)
,
(
−
11
)
)
,
(
(
−
2
)
,
(
−
15
)
)
,
(
1
,
(
−
15
)
)
,
(
2
,
(
−
17
)
)
(
(
−
2
)
,
(
−
9
)
)
,
(
(
−
1
)
,
(
−
11
)
)
,
(
0
,
(
−
13
)
)
,
(
1
,
(
−
15
)
)
,
(
2
,
(
−
17
)
)
Question
2
2.
Solve
(
10
y
−
10
)
=
0
(
y
+
5
)
=
0
(
1
,
(
−
5
)
)
No solution
(
1
,
(
−
1
)
)
Infinite solutions
(
3
,
1
)
Question
3
3.
The equation of the x-axis is
a)
y
=
0
b)
x
=
0
c)
x
=
1
d)
x
=
y
e)
y
=
1
{c,a}
{b,a}
{a}
{d,e,a}
Question
4
4.
Which of the following equations is not the same as
(
−
5
x
−
8
)
=
(
−
4
)
(
−
4
x
−
10
)
=
(
x
−
6
)
(
−
6
x
−
6
)
=
(
−
x
−
2
)
(
−
6
x
−
8
)
=
(
−
x
−
4
)
(
−
4
x
−
8
)
=
(
−
x
−
4
)
(
−
4
x
−
8
)
=
(
x
−
4
)
Question
5
5.
Which of the following equations is not equivalent to
(
−
7
x
−
8
)
=
4
x
(
−
44
x
)
=
32
44
x
=
(
−
32
)
22
x
=
(
−
16
)
(
−
11
x
)
=
8
(
−
11
x
)
=
7
Question
6
6.
Solve the equation
(
−
4
x
+
3
)
=
0
3
2
3
4
1
4
1
2
5
4
Question
7
7.
Which of the following equations is not the same as
(
x
−
7
)
=
7
(
4
x
−
28
)
=
28
(
5
x
−
35
)
=
35
(
−
2
x
+
14
)
=
(
−
14
)
(
3
x
−
21
)
=
21
(
2
x
−
14
)
=
9
Question
8
8.
Solve :
2
(
−
8
x
+
5
)
=
1
(
−
8
x
+
7
)
11
8
7
8
11
10
7
6
9
8
Question
9
9.
Solve the following pair of equations :
(
4
x
−
3
y
)
x
y
=
0
(
3
x
+
y
)
x
y
=
-13
(
(
-1
2
)
,
(
-1
3
)
)
(
(
-1
4
)
,
(
-1
5
)
)
(
(
-3
4
)
,
(
-1
3
)
)
(
(
-1
4
)
,
1
3
)
(
(
-1
4
)
,
(
-1
3
)
)
Question
10
10.
The L.H.S of the equation
(
7
x
−
1
)
=
(
−
4
x
+
8
)
is
(
7
x
−
3
)
(
7
x
−
1
)
(
−
4
x
+
8
)
(
6
x
−
1
)
(
7
x
+
1
)
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