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Class VI
Class VII
Class VIII
Class IX
Class X
CBSE Grade IX - Polynomials
Question
1
1.
Find
304
3
28094484
28094474
28094454
28094444
28094464
Question
2
2.
(
−
36
x
5
+
48
x
4
+
95
x
3
−
95
x
2
−
4
x
+
12
)
divided by
(
4
x
3
−
4
x
2
−
11
x
+
6
)
=
(
−
9
x
2
+
3
x
−
2
)
(
−
9
x
2
+
4
x
+
2
)
(
−
9
x
2
+
3
x
+
2
)
(
−
9
x
2
+
2
x
+
2
)
(
−
9
x
2
−
3
x
+
2
)
Question
3
3.
(
5
a
−
4
b
)
(
5
a
+
4
b
)
(
24
a
2
−
16
b
2
)
(
25
a
2
−
19
b
2
)
(
26
a
2
−
16
b
2
)
(
25
a
2
−
13
b
2
)
(
25
a
2
−
16
b
2
)
Question
4
4.
Factorize
(
9
a
2
+
18
a
b
+
9
b
2
)
3
a
(
3
a
+
b
)
(
3
a
+
5
b
)
(
3
a
+
5
b
)
(
3
a
+
3
b
)
(
3
a
+
3
b
)
(
4
a
+
3
b
)
(
4
a
+
3
b
)
(
2
a
+
3
b
)
(
2
a
+
3
b
)
Question
5
5.
The remainder when
(
−
6
r
2
)
is divided by
(
r
+
8
)
is
(
−
383
)
(
−
382
)
(
−
384
)
(
−
386
)
(
−
385
)
Question
6
6.
In which of the cases,
g
(
x
)
is a factor of
f
(
x
)
?
f
(
x
)
=
(
−
2
x
3
−
7
x
2
+
7
x
+
12
)
,
g
(
x
)
=
(
x
+
2
)
f
(
x
)
=
(
x
3
+
7
x
2
+
14
x
+
8
)
,
g
(
x
)
=
(
−
x
+
9
)
f
(
x
)
=
(
−
x
3
+
7
x
+
6
)
,
g
(
x
)
=
(
x
+
4
)
f
(
x
)
=
(
2
x
3
−
5
x
2
−
9
x
+
18
)
,
g
(
x
)
=
(
−
x
+
3
)
f
(
x
)
=
(
−
x
3
+
4
x
2
+
41
x
+
36
)
,
g
(
x
)
=
(
−
2
x
+
3
)
Question
7
7.
Which of the following are not polynomials?
a)
√x
b)
(
5
x
+
5
y
)
c)
9
x
2
d)
(
5
x
−
5
y
)
e)
9
x
2
+
1
9
x
2
{c,e}
{d,b,a}
{c,e,a}
{b,a}
{a,e}
Question
8
8.
The value of
507
✕
495
is
250966
250964
250968
250962
250965
Question
9
9.
Which of the following algebraic expressions is a trinomial?
(
−
4
b
3
c
d
2
)
(
−
7
c
d
−
d
2
)
(
−
5
b
3
c
2
d
−
3
b
3
+
6
b
c
2
d
2
+
5
c
2
d
)
(
9
b
2
c
3
d
2
−
4
b
c
d
3
−
6
d
3
)
(
−
5
b
2
c
2
d
2
−
5
b
c
d
3
+
7
b
+
5
c
3
)
Question
10
10.
Factorize
(
27
x
2
−
48
x
y
−
64
y
2
)
(
9
x
+
8
y
)
(
3
x
−
8
y
)
(
9
x
+
8
y
)
(
9
x
−
8
y
)
(
9
x
−
8
y
)
(
3
x
−
8
y
)
(
9
x
+
8
y
)
(
3
x
+
8
y
)
(
9
x
−
8
y
)
(
3
x
+
8
y
)
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