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)
(
−
27
x
2
+
33
x
−
8
)
=
0
(ii)
(
2
x
+
y
+
2
z
)
=
0
(iii)
(
−
15
x
2
+
64
x
y
−
56
x
−
64
y
2
+
112
y
−
49
)
=
0
(iv)
(
−
x
−
5
)
=
0
(v)
(
5
x
−
9
y
−
7
)
=
0
Question
2
2.
Which of the following is a linear equation in two variable?
(i)
(
9
x
+
9
)
=
0
(ii)
(
20
x
2
−
43
x
y
+
49
x
+
21
y
2
−
53
y
+
30
)
=
0
(iii)
(
7
x
−
7
y
−
2
z
−
2
)
=
0
(iv)
(
−
5
x
2
−
36
x
−
7
)
=
0
(v)
(
−
6
x
−
5
y
+
9
)
=
0
Question
3
3.
Which of the following is a linear equation in one variable?
(i)
(
−
5
x
+
3
y
−
6
)
=
(
−
x
+
9
y
+
7
)
(ii)
(
5
x
+
9
)
=
(
−
3
x
−
9
)
(iii)
(
−
4
x
+
5
y
−
3
z
−
2
)
=
(
9
x
−
6
y
+
3
z
−
7
)
(iv)
(
8
x
2
−
6
x
−
5
)
=
(
3
x
+
7
)
(v)
(
28
x
2
+
73
x
y
−
4
x
+
42
y
2
+
18
y
−
24
)
=
0
Question
4
4.
Which of the following is a linear equation in two variable?
(i)
(
15
x
2
−
2
x
y
+
24
x
−
y
2
+
8
y
−
12
)
=
0
(ii)
(
25
x
2
−
45
x
+
20
)
=
(
−
9
x
−
9
)
(iii)
(
9
x
−
7
y
+
7
z
+
3
)
=
(
4
x
+
9
y
−
4
z
+
1
)
(iv)
(
x
+
y
−
8
)
=
(
2
x
−
5
y
+
2
)
(v)
(
−
2
x
+
7
)
=
x
Question
5
5.
The linear equation
(
−
7
x
−
6
)
=
(
−
x
+
6
)
is equivalent to
(i)
(
−
6
x
−
12
)
=
0
(ii)
(
−
7
x
−
12
)
=
0
(iii)
(
−
5
x
−
12
)
=
0
(iv)
(
−
7
x
−
6
)
=
(
−
x
+
3
)
(v)
(
−
7
x
−
6
)
=
(
−
x
+
9
)
Question
6
6.
The value of
x
in terms of other variables and constant in
(
−
x
+
3
)
=
(
9
x
−
1
)
is
(i)
x
=
2
5
(ii)
x
=
0
(iii)
x
=
2
7
(iv)
x
=
4
5
(v)
x
=
2
3
Question
7
7.
The L.H.S of the equation
(
7
x
−
4
)
=
0
is
(i)
(
7
x
−
4
)
(ii)
0
(iii)
(
7
x
−
6
)
(iv)
(
6
x
−
4
)
(v)
(
7
x
−
1
)
Question
8
8.
The R.H.S of the equation
(
−
9
x
+
7
)
=
0
is
(i)
0
(ii)
(
−
9
x
+
7
)
(iii)
2
(iv)
(
−
1
)
(v)
(
−
3
)
Question
9
9.
The L.H.S of the equation
(
9
x
−
3
)
=
6
is
(i)
(
8
x
−
3
)
(ii)
6
(iii)
(
9
x
−
1
)
(iv)
(
9
x
−
5
)
(v)
(
9
x
−
3
)
Question
10
10.
The R.H.S of the equation
(
−
3
x
−
5
)
=
8
is
(i)
7
(ii)
(
−
3
x
−
5
)
(iii)
8
(iv)
6
(v)
10
Question
11
11.
The L.H.S of the equation
(
−
5
x
+
7
)
=
(
3
x
+
4
)
is
(i)
(
−
5
x
+
10
)
(ii)
(
−
5
x
+
4
)
(iii)
(
−
5
x
+
7
)
(iv)
(
−
6
x
+
7
)
(v)
(
3
x
+
4
)
Question
12
12.
The R.H.S of the equation
(
6
x
−
7
)
=
(
−
6
x
+
3
)
is
(i)
(
−
7
x
+
3
)
(ii)
(
6
x
−
7
)
(iii)
(
−
6
x
+
5
)
(iv)
(
−
6
x
)
(v)
(
−
6
x
+
3
)
Assignment Key
1) (iv)
2) (v)
3) (ii)
4) (iv)
5) (i)
6) (i)
7) (i)
8) (i)
9) (v)
10) (iii)
11) (iii)
12) (v)
