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Class VI
Class VII
Class VIII
Class IX
Class X
CBSE Grade VII - Algebraic Expressions
Question
1
1.
Which of the following algebraic expressions is a binomial?
(
−
5
c
3
d
e
3
)
(
−
3
c
d
3
e
3
+
2
c
d
2
e
3
+
2
c
d
2
e
2
+
9
e
)
(
7
c
3
d
3
e
+
c
d
3
+
2
c
)
(
c
3
−
4
d
3
e
2
)
(
4
c
3
d
e
3
+
2
c
d
2
+
9
d
2
e
3
+
3
)
Question
2
2.
The value of
(
−
4
g
h
+
4
g
−
9
)
−
(
−
9
g
h
−
6
g
+
9
)
is
(
5
g
h
+
7
g
−
18
)
(
6
g
h
+
10
g
−
18
)
(
5
g
h
+
13
g
−
18
)
(
5
g
h
+
10
g
−
18
)
(
4
g
h
+
10
g
−
18
)
Question
3
3.
Which of the following terms can be added to
(
−
6
i
4
)
?
(
−
1
)
(
−
8
i
2
)
3
i
2
i
4
(
−
i
3
)
Question
4
4.
The value of
1
4
z
+
1
2
z
+
3
5
z
+
1
3
z
is
101
60
z
33
20
z
103
62
z
99
58
z
103
60
z
Question
5
5.
The value of the polynomial
(
5
w
2
+
9
w
−
4
)
at
w
=
1
is
11
9
10
8
13
Question
6
6.
The coefficient of term
c
2
in polynomial
(
4
b
2
c
2
+
6
b
c
2
d
2
+
9
c
2
+
4
c
d
+
5
c
)
is
10
7
12
8
9
Question
7
7.
Which of the following is a like term of
(
−
3
v
w
)
?
6
v
w
x
(
−
9
x
)
(
−
7
v
x
)
6
v
w
(
−
2
w
)
Question
8
8.
Which of the following algebraic expressions is a trinomial?
(
2
h
4
+
9
h
2
+
h
)
(
−
8
h
4
−
h
3
−
6
h
2
−
h
+
7
)
2
h
4
(
−
2
h
4
−
4
h
3
)
(
9
h
4
−
h
3
+
8
h
2
+
4
h
−
4
)
Question
9
9.
The value of
1
2
j
4
+
1
2
j
4
+
1
3
j
4
+
1
3
j
4
is
j
4
3
j
4
5
3
j
4
7
3
j
4
7
5
j
4
Question
10
10.
The value of
(
−
4
t
2
u
2
v
2
)
−
3
t
2
u
2
v
2
is
(
−
8
t
2
u
2
v
2
)
(
−
6
t
2
u
2
v
2
)
(
−
7
t
2
u
2
v
2
)
(
−
9
t
2
u
2
v
2
)
(
−
4
t
2
u
2
v
2
)
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