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)
(
−
4
x
2
+
16
x
−
12
)
=
0
(ii)
(
9
x
−
6
y
+
3
z
+
5
)
=
0
(iii)
(
5
x
+
7
y
−
9
)
=
0
(iv)
(
4
x
+
1
)
=
0
(v)
(
−
25
x
2
−
40
x
y
−
5
x
−
12
y
2
−
18
y
+
12
)
=
0
Question
2
2.
Which of the following is a linear equation in two variable?
(i)
(
7
x
+
9
y
+
7
z
+
7
)
=
0
(ii)
(
2
x
2
+
10
x
+
8
)
=
0
(iii)
(
−
7
x
−
7
y
−
8
)
=
0
(iv)
(
2
x
−
2
)
=
0
(v)
(
−
6
x
2
−
17
x
y
−
41
x
−
7
y
2
−
70
y
−
63
)
=
0
Question
3
3.
Which of the following is a linear equation in one variable?
(i)
(
15
x
2
+
3
x
−
54
)
=
(
−
6
x
−
4
)
(ii)
(
4
x
−
2
)
=
(
5
x
−
2
)
(iii)
(
−
2
x
+
9
y
+
z
−
4
)
=
(
8
x
−
6
y
−
5
z
+
7
)
(iv)
(
7
x
2
−
10
x
y
+
40
x
−
8
y
2
+
28
y
−
12
)
=
0
(v)
(
3
x
−
2
y
−
5
)
=
(
−
8
x
+
6
y
+
3
)
Question
4
4.
Which of the following is a linear equation in two variable?
(i)
(
6
x
+
y
+
3
z
−
7
)
=
(
x
−
y
+
5
z
+
8
)
(ii)
(
−
35
x
2
+
45
x
y
−
39
x
−
10
y
2
+
4
y
+
14
)
=
0
(iii)
(
24
x
2
+
18
x
+
3
)
=
(
8
x
+
2
)
(iv)
(
−
5
x
+
y
−
5
)
=
(
−
3
x
−
4
y
−
3
)
(v)
(
−
9
x
+
6
)
=
(
x
−
2
)
Question
5
5.
The linear equation
(
−
8
x
−
2
)
=
(
−
4
x
)
is equivalent to
(i)
(
−
4
x
−
2
)
=
0
(ii)
(
−
8
x
−
2
)
=
(
−
7
x
)
(iii)
(
−
8
x
−
2
)
=
(
−
x
)
(iv)
(
−
5
x
−
2
)
=
0
(v)
(
−
3
x
−
2
)
=
0
Question
6
6.
The value of
x
in terms of other variables and constant in
(
−
7
x
+
6
)
=
(
2
x
−
9
)
is
(i)
x
=
3
(ii)
x
=
7
5
(iii)
x
=
5
3
(iv)
x
=
1
(v)
x
=
7
3
Question
7
7.
The L.H.S of the equation
(
7
x
+
9
)
=
0
is
(i)
(
6
x
+
9
)
(ii)
(
7
x
+
11
)
(iii)
(
7
x
+
7
)
(iv)
0
(v)
(
7
x
+
9
)
Question
8
8.
The R.H.S of the equation
4
x
=
0
is
(i)
3
(ii)
0
(iii)
(
−
1
)
(iv)
(
−
2
)
(v)
4
x
Question
9
9.
The L.H.S of the equation
(
−
5
x
+
9
)
=
(
−
7
)
is
(i)
(
−
5
x
+
12
)
(ii)
(
−
6
x
+
9
)
(iii)
(
−
5
x
+
9
)
(iv)
(
−
7
)
(v)
(
−
5
x
+
7
)
Question
10
10.
The R.H.S of the equation
(
−
8
x
+
4
)
=
1
is
(i)
3
(ii)
(
−
2
)
(iii)
0
(iv)
(
−
8
x
+
4
)
(v)
1
Question
11
11.
The L.H.S of the equation
(
7
x
−
3
)
=
(
9
x
−
1
)
is
(i)
(
7
x
−
6
)
(ii)
(
9
x
−
1
)
(iii)
(
7
x
−
1
)
(iv)
(
6
x
−
3
)
(v)
(
7
x
−
3
)
Question
12
12.
The R.H.S of the equation
(
−
9
x
−
2
)
=
(
−
x
−
5
)
is
(i)
(
−
9
x
−
2
)
(ii)
(
−
x
−
2
)
(iii)
(
−
x
−
5
)
(iv)
(
−
x
−
7
)
(v)
(
−
2
x
−
5
)
Assignment Key
1) (iv)
2) (iii)
3) (ii)
4) (iv)
5) (i)
6) (iii)
7) (v)
8) (ii)
9) (iii)
10) (v)
11) (v)
12) (iii)
