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Class VI
Class VII
Class VIII
Class IX
Class X
ICSE Grade X - Factor Theorem
Question
1
1.
The value of the polynomial
(
w
3
−
4
w
−
9
)
at
w
=
2
is
-9
-7
-8
-12
-10
Question
2
2.
Factorize
(
x
2
+
2
x
a
−
5
x
+
a
2
−
5
a
−
36
)
(
x
+
a
+
4
)
(
x
−
a
−
9
)
(
x
−
a
+
4
)
(
x
+
a
+
9
)
(
x
−
a
−
9
)
(
x
+
a
−
4
)
(
x
+
a
−
9
)
(
x
−
a
+
4
)
(
x
+
a
+
4
)
(
x
+
a
−
9
)
Question
3
3.
The remainder when
(
5
q
2
+
2
q
+
5
)
is divided by
(
q
−
1
)
is
10
15
12
13
11
Question
4
4.
The remainder when
9
g
is divided by
6
is
(
−
1
)
1
3
(
−
3
)
0
Question
5
5.
The degree of the polynomial
(
4
v
2
+
2
v
+
3
)
is
2
0
1
3
4
Question
6
6.
The degree of the polynomial
(
−
8
w
−
5
)
is
2
1
4
(-2)
0
Question
7
7.
Find the value of
a
and
b
such that
a
x
4
−
6
x
3
−
42
x
2
+
166
x
+
b
is exactly divisible by
(
x
2
+
x
−
20
)
-121
,
1
-119
,
3
2
,
-119
2
,
-120
3
,
-120
Question
8
8.
If one of the roots of the cubic equation
(
x
3
+
9
x
2
+
15
x
+
7
)
=
0
is
(
−
7
)
,
find the remaining real roots
(
(
−
8
)
,
(
−
2
)
)
(
(
−
5
)
,
1
)
(
(
−
9
)
,
(
−
4
)
)
(
(
−
1
)
,
(
−
1
)
)
(
(
−
6
)
,
0
)
Question
9
9.
The remainder when
(
−
4
n
4
+
3
n
3
−
8
n
2
−
3
)
is divided by
(
n
2
+
3
n
−
40
)
is
(
1238
n
−
8523
)
(
1239
n
−
8523
)
(
1237
n
−
8523
)
(
1242
n
−
8523
)
(
1240
n
−
8523
)
Question
10
10.
The quotient when
(
−
3
q
3
−
8
q
2
+
4
)
is divided by
(
q
2
−
q
−
6
)
is
(
−
3
q
−
11
)
(
−
2
q
−
11
)
(
−
4
q
−
11
)
(
−
5
q
−
11
)
(
−
q
−
11
)
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