EduSahara™ Assignment
Name : Factorisation Miscellaneous
Chapter : Factorisation
Grade : SSC Grade VIII
License : Non Commercial Use
Question
1
1.
Find the prime factorization of
6
(i)
2
✕
3
-1
(ii)
2
✕
2
(iii)
2
✕
5
(iv)
2
✕
3
(v)
2
✕
3
2
Question
2
2.
Find the prime factorization of
92
(i)
(-1)
2
✕
23
(ii)
2
✕
23
(iii)
2
2
✕
25
(iv)
2
2
✕
23
(v)
2
3
✕
23
Question
3
3.
Which of the following is a factor of
44
x
2
y
4
z
?
(i)
22
x
2
y
4
z
2
(ii)
22
x
y
4
z
(iii)
x
3
y
4
z
(iv)
22
x
y
4
z
2
(v)
22
x
y
5
z
Question
4
4.
Which of the following is not a factor of
25
x
y
z
4
?
(i)
x
2
y
2
z
4
(ii)
x
z
4
(iii)
x
y
z
3
(iv)
y
z
4
(v)
x
z
Question
5
5.
Which of the following is a factor of
(
10
x
+
y
4
z
4
)
?
(i)
10
x
(ii)
5
y
3
(iii)
no factors
(iv)
5
x
z
(v)
y
4
z
4
Question
6
6.
Which of the following is an irreducible factor of
42
x
2
y
5
z
5
?
(i)
x
z
3
(ii)
x
2
y
(iii)
x
2
y
5
z
3
(iv)
z
(v)
y
5
z
Question
7
7.
Which of the following is not an irreducible factor of
(
x
2
y
+
x
y
2
+
x
y
)
?
(i)
x
y
(ii)
(
x
+
y
+
1
)
(iii)
y
(iv)
x
Question
8
8.
Which of the following are true ?
a)
Division of a polynomial with another polynomial stops when the degree of the remainder equals the degree of the divisor
b)
If p(a) = 0, then (x + a) perfectly divides p(x)
c)
If the degree of p(x) is less then the degree of d(x), we should not divide p(x) with d(x)
d)
If p(x) is divided by (x - a), the remainder is p(a)
(i)
{b,d}
(ii)
{a,d,c}
(iii)
{a,c}
(iv)
{a,b,c}
(v)
{c,d}
Question
9
9.
In which of the cases,
g
(
x
)
is a factor of
f
(
x
)
?
(i)
f
(
x
)
=
(
12
x
3
−
4
x
2
−
27
x
+
9
)
,
g
(
x
)
=
(
−
3
x
+
1
)
(ii)
f
(
x
)
=
(
x
3
−
3
x
2
−
36
x
+
108
)
,
g
(
x
)
=
(
2
x
+
3
)
(iii)
f
(
x
)
=
(
−
2
x
3
+
21
x
2
−
63
x
+
54
)
,
g
(
x
)
=
(
x
+
6
)
(iv)
f
(
x
)
=
(
−
6
x
3
+
29
x
2
−
36
x
+
9
)
,
g
(
x
)
=
(
−
x
+
6
)
(v)
f
(
x
)
=
(
2
x
3
−
15
x
2
+
9
x
+
54
)
,
g
(
x
)
=
(
−
2
x
+
3
)
Question
10
10.
(
10
x
3
+
6
x
2
)
÷
2
x
(i)
(
5
x
2
+
3
x
)
(ii)
(
5
x
2
−
3
x
)
(iii)
(
4
x
2
+
3
x
)
(iv)
(
5
x
2
+
4
x
)
(v)
(
−
5
x
2
+
3
x
)
Question
11
11.
(
3
x
4
+
13
x
3
+
12
x
2
)
÷
(
x
2
+
3
x
)
(i)
(
3
x
2
−
4
x
)
(ii)
(
3
x
2
+
5
x
)
(iii)
(
3
x
2
+
4
x
)
(iv)
(
2
x
2
+
4
x
)
(v)
(
−
3
x
2
+
4
x
)
Question
12
12.
(
20
x
4
−
84
x
3
+
25
x
2
+
84
x
)
÷
(
4
x
2
−
20
x
+
21
)
(i)
(
5
x
2
+
3
x
)
(ii)
(
−
5
x
2
+
4
x
)
(iii)
(
5
x
2
+
4
x
)
(iv)
(
5
x
2
−
4
x
)
(v)
(
5
x
2
+
5
x
)
Assignment Key
1) (iv)
2) (iv)
3) (ii)
4) (i)
5) (iii)
6) (iv)
7) (i)
8) (v)
9) (i)
10) (i)
11) (iii)
12) (iii)