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)
(
9
x
+
7
y
+
6
)
=
0
(ii)
(
−
9
x
2
+
19
x
y
+
16
x
−
2
y
2
+
2
y
+
4
)
=
0
(iii)
(
5
x
−
8
y
−
4
z
−
1
)
=
0
(iv)
(
−
2
x
+
5
)
=
0
(v)
(
−
16
x
2
−
26
x
−
9
)
=
0
Question
2
2.
Which of the following is a linear equation in two variable?
(i)
(
2
x
−
5
y
−
z
−
8
)
=
0
(ii)
(
−
3
x
)
=
0
(iii)
(
−
3
x
+
7
y
−
4
)
=
0
(iv)
(
−
27
x
2
+
24
x
y
−
39
x
−
5
y
2
+
23
y
+
10
)
=
0
(v)
(
7
x
2
+
12
x
+
5
)
=
0
Question
3
3.
Which of the following is a linear equation in one variable?
(i)
(
−
5
x
+
y
−
4
)
=
(
−
4
x
−
7
y
+
1
)
(ii)
(
−
16
x
2
−
58
x
y
−
54
x
+
24
y
2
+
29
y
+
7
)
=
0
(iii)
(
14
x
2
−
72
x
+
64
)
=
(
−
4
x
−
3
)
(iv)
(
3
x
+
4
)
=
(
−
8
x
−
9
)
(v)
(
−
9
x
−
5
y
+
5
z
)
=
(
8
x
−
3
y
+
9
z
+
8
)
Question
4
4.
Which of the following is a linear equation in two variable?
(i)
(
20
x
2
−
31
x
−
7
)
=
(
5
x
+
4
)
(ii)
(
3
x
2
+
20
x
y
−
2
x
+
12
y
2
+
20
y
−
8
)
=
0
(iii)
(
−
8
x
+
5
y
−
4
z
−
9
)
=
(
3
x
−
2
y
−
5
z
−
3
)
(iv)
(
−
5
x
−
2
y
−
1
)
=
(
−
2
x
−
4
y
−
2
)
(v)
(
7
x
+
5
)
=
(
8
x
+
8
)
Question
5
5.
The linear equation
(
8
x
+
4
)
=
(
9
x
+
6
)
is equivalent to
(i)
(
−
x
−
2
)
=
0
(ii)
(
−
2
x
−
2
)
=
0
(iii)
(
8
x
+
4
)
=
(
9
x
+
9
)
(iv)
(
−
2
)
=
0
(v)
(
8
x
+
4
)
=
(
9
x
+
4
)
Question
6
6.
The value of
x
in terms of other variables and constant in
(
−
9
x
+
7
)
=
(
2
x
+
3
)
is
(i)
x
=
4
13
(ii)
x
=
4
11
(iii)
x
=
2
11
(iv)
x
=
6
11
(v)
x
=
4
9
Question
7
7.
The L.H.S of the equation
(
−
9
x
−
3
)
=
0
is
(i)
(
−
10
x
−
3
)
(ii)
(
−
9
x
−
3
)
(iii)
(
−
9
x
−
6
)
(iv)
0
(v)
(
−
9
x
)
Question
8
8.
The R.H.S of the equation
(
4
x
+
9
)
=
0
is
(i)
(
−
1
)
(ii)
(
4
x
+
9
)
(iii)
0
(iv)
(
−
2
)
(v)
2
Question
9
9.
The L.H.S of the equation
(
−
3
x
+
6
)
=
3
is
(i)
(
−
4
x
+
6
)
(ii)
3
(iii)
(
−
3
x
+
8
)
(iv)
(
−
3
x
+
6
)
(v)
(
−
3
x
+
3
)
Question
10
10.
The R.H.S of the equation
(
−
8
x
−
5
)
=
7
is
(i)
6
(ii)
10
(iii)
7
(iv)
(
−
8
x
−
5
)
(v)
5
Question
11
11.
The L.H.S of the equation
(
3
x
−
2
)
=
(
2
x
−
7
)
is
(i)
(
3
x
−
5
)
(ii)
(
2
x
−
2
)
(iii)
(
3
x
+
1
)
(iv)
(
2
x
−
7
)
(v)
(
3
x
−
2
)
Question
12
12.
The R.H.S of the equation
(
2
x
+
2
)
=
(
−
7
x
+
5
)
is
(i)
(
−
7
x
+
2
)
(ii)
(
−
7
x
+
7
)
(iii)
(
−
7
x
+
5
)
(iv)
(
2
x
+
2
)
(v)
(
−
8
x
+
5
)
Assignment Key
1) (iv)
2) (iii)
3) (iv)
4) (iv)
5) (i)
6) (ii)
7) (ii)
8) (iii)
9) (iv)
10) (iii)
11) (v)
12) (iii)
