EduSahara™ Assignment
Name : Linear Equations Concepts
Chapter : Linear Equations
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
Which of the following is a linear equation in one variable?
(i)
(
−
6
x
+
8
y
+
4
z
+
8
)
=
0
(ii)
(
28
x
2
+
50
x
+
12
)
=
0
(iii)
(
x
−
6
y
+
9
)
=
0
(iv)
(
10
x
2
+
39
x
y
+
4
x
+
14
y
2
+
45
y
−
14
)
=
0
(v)
(
x
+
3
)
=
0
Question
2
2.
Which of the following is a linear equation in two variable?
(i)
(
−
16
x
2
−
78
x
y
−
58
x
−
27
y
2
−
30
y
−
7
)
=
0
(ii)
(
18
x
2
+
36
x
+
10
)
=
0
(iii)
(
−
9
x
−
9
y
+
8
)
=
0
(iv)
(
−
2
x
+
7
)
=
0
(v)
(
x
+
9
y
+
8
z
−
4
)
=
0
Question
3
3.
Which of the following is a linear equation in one variable?
(i)
(
24
x
2
+
3
x
y
+
20
x
−
21
y
2
+
5
y
+
4
)
=
0
(ii)
(
20
x
2
−
3
x
−
2
)
=
(
−
x
−
1
)
(iii)
(
−
6
x
+
8
y
−
9
)
=
(
−
3
x
+
4
y
−
2
)
(iv)
(
−
6
x
−
9
)
=
(
6
x
−
5
)
(v)
(
−
9
x
+
3
y
+
6
z
+
2
)
=
(
−
x
−
8
y
−
5
z
+
6
)
Question
4
4.
Which of the following is a linear equation in two variable?
(i)
(
−
12
x
2
−
35
x
y
+
53
x
−
18
y
2
+
86
y
−
56
)
=
0
(ii)
(
−
6
x
+
8
)
=
(
6
x
+
9
)
(iii)
(
49
x
2
−
49
x
)
=
(
4
x
−
1
)
(iv)
(
4
x
+
6
y
+
z
−
7
)
=
(
−
8
x
−
7
y
−
z
−
5
)
(v)
(
−
x
−
8
y
−
1
)
=
(
−
7
x
−
4
y
−
6
)
Question
5
5.
The linear equation
(
−
5
x
+
9
)
=
(
−
9
x
−
5
)
is equivalent to
(i)
(
5
x
+
14
)
=
0
(ii)
(
4
x
+
14
)
=
0
(iii)
(
−
5
x
+
9
)
=
(
−
9
x
−
8
)
(iv)
(
−
5
x
+
9
)
=
(
−
9
x
−
2
)
(v)
(
3
x
+
14
)
=
0
Question
6
6.
The value of
x
in terms of other variables and constant in
(
−
6
x
−
3
)
=
(
x
+
2
)
is
(i)
x
=
(
−
3
7
)
(ii)
x
=
(
−
1
)
(iii)
x
=
(
−
5
9
)
(iv)
x
=
(
−
5
7
)
Question
7
7.
The L.H.S of the equation
(
−
x
+
1
)
=
0
is
(i)
(
−
2
x
+
1
)
(ii)
(
−
x
+
1
)
(iii)
0
(iv)
(
−
x
−
2
)
(v)
(
−
x
+
4
)
Question
8
8.
The R.H.S of the equation
(
9
x
+
6
)
=
0
is
(i)
(
9
x
+
6
)
(ii)
3
(iii)
(
−
1
)
(iv)
0
(v)
(
−
3
)
Question
9
9.
The L.H.S of the equation
(
−
6
x
−
9
)
=
(
−
5
)
is
(i)
(
−
6
x
−
9
)
(ii)
(
−
6
x
−
7
)
(iii)
(
−
5
)
(iv)
(
−
6
x
−
12
)
(v)
(
−
7
x
−
9
)
Question
10
10.
The R.H.S of the equation
(
−
5
x
+
6
)
=
(
−
2
)
is
(i)
(
−
5
x
+
6
)
(ii)
(
−
3
)
(iii)
(
−
5
)
(iv)
(
−
2
)
(v)
0
Question
11
11.
The L.H.S of the equation
(
5
x
+
1
)
=
(
8
x
−
3
)
is
(i)
(
5
x
+
3
)
(ii)
(
4
x
+
1
)
(iii)
(
5
x
+
1
)
(iv)
(
8
x
−
3
)
(v)
(
5
x
−
2
)
Question
12
12.
The R.H.S of the equation
(
8
x
−
6
)
=
(
3
x
+
3
)
is
(i)
3
x
(ii)
(
8
x
−
6
)
(iii)
(
2
x
+
3
)
(iv)
(
3
x
+
3
)
(v)
(
3
x
+
6
)
Assignment Key
1) (v)
2) (iii)
3) (iv)
4) (v)
5) (ii)
6) (iv)
7) (ii)
8) (iv)
9) (i)
10) (iv)
11) (iii)
12) (iv)
