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Class VI
Class VII
Class VIII
Class IX
Class X
CBSE Grade IX - Polynomials
Question
1
1.
The degree of polynomial
(
8
n
2
p
3
+
5
n
o
3
p
2
−
3
n
o
2
p
2
−
3
o
2
p
+
3
o
−
9
p
3
+
3
)
is
9
6
4
7
5
Question
2
2.
The remainder when
(
−
7
y
−
4
)
is divided by
(
y
+
7
)
is
44
46
48
45
43
Question
3
3.
The expanded form of
(
x
+
2
)
(
x
+
6
)
(
x
+
4
)
(
x
+
7
)
is
(
−
x
4
+
19
x
3
+
128
x
2
+
356
x
+
336
)
(
x
4
+
19
x
3
+
128
x
2
+
356
x
+
336
)
(
4
x
4
+
19
x
3
+
128
x
2
+
356
x
+
336
)
(
2
x
4
+
19
x
3
+
128
x
2
+
356
x
+
336
)
(
19
x
3
+
128
x
2
+
356
x
+
336
)
Question
4
4.
(
−
2
3
a
−
3
b
)
3
(
−
8
27
a
3
−
4
a
2
b
−
18
a
b
2
−
27
b
3
)
(
−
8
29
a
3
−
4
a
2
b
−
18
a
b
2
−
27
b
3
)
(
−
8
27
a
3
−
a
2
b
−
18
a
b
2
−
27
b
3
)
(
−
8
25
a
3
−
4
a
2
b
−
18
a
b
2
−
27
b
3
)
(
−
8
27
a
3
−
6
a
2
b
−
18
a
b
2
−
27
b
3
)
Question
5
5.
Which of the following algebraic expressions is a cubic polynomial?
(
−
3
p
2
−
3
p
+
1
)
(
−
9
p
+
6
)
(
−
7
)
(
4
p
5
+
3
p
4
−
5
p
3
+
9
p
2
+
8
)
(
−
5
p
3
−
2
p
2
+
7
p
+
7
)
Question
6
6.
Factorize
(
a
x
+
b
y
)
2
−
(
a
x
−
b
y
)
2
4
a
x
b
y
2
a
x
b
y
4
(
a
x
)
2
(
b
y
)
2
2
(
a
x
)
2
(
b
y
)
2
Question
7
7.
Factorize
(
x
2
−
100
)
(
x
+
10
)
(
x
+
10
)
(
x
+
50
)
(
x
−
2
)
(
x
−
10
)
(
x
−
10
)
(
x
+
10
)
(
x
−
10
)
(
x
−
50
)
(
x
+
2
)
Question
8
8.
Evaluate :
985
2
−
15
2
970985
9700000
97000
970000
970015
Question
9
9.
The value of
493
✕
492
is
242556
242554
242559
242555
242557
Question
10
10.
Which of the following algebraic expressions is a linear polynomial?
(
−
9
)
(
−
2
r
3
+
7
r
2
+
r
−
1
)
(
2
r
2
+
4
r
+
4
)
(
−
7
r
−
1
)
(
−
6
r
5
+
r
3
−
4
r
2
−
9
r
−
4
)
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