EduSahara™ Assignment
Name : Factorisation Miscellaneous
Chapter : Factorisation
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
Which of the following are true?
a)
Degree of zero polynomial is zero
b)
Every polynomial is a binomial
c)
A binomial may have degree 3
d)
π
r
2
is a monomial
e)
A binomial has two and only two terms
(i)
{b,d}
(ii)
{a,b,e}
(iii)
{a,c}
(iv)
{a,c,d}
(v)
{c,d,e}
Question
2
2.
Which of the following are polynomials?
a)
x
2
b)
x
2
+
1
x
2
c)
(
x
+
y
)
(
x
−
y
)
d)
x
+
1
x
e)
(
x
+
y
)
(i)
{c,e}
(ii)
{a,e}
(iii)
{b,a}
(iv)
{c,e,a}
(v)
{d,b,a}
Question
3
3.
Which of the following are not polynomials?
a)
(
11
x
+
9
y
)
(
5
x
−
9
y
)
b)
9
x
2
c)
(
11
x
+
9
y
)
d)
(
55
x
2
−
54
x
y
−
81
y
2
)
e)
x
+
1
x
(i)
{c,e}
(ii)
{c,e,a}
(iii)
{a,e}
(iv)
{b,a}
(v)
{d,b,a}
Question
4
4.
Which of the following are not polynomials?
a)
(
2
x
−
9
y
)
b)
(
10
x
+
2
y
)
c)
√x
d)
36
x
2
e)
36
x
2
+
1
36
x
2
(i)
{d,a,c}
(ii)
{a,c}
(iii)
{b,e,c}
(iv)
{b,e}
(v)
{c,e}
Question
5
5.
Which of the following are not polynomials?
a)
(
108
x
2
+
45
x
y
−
18
y
2
)
b)
25
x
2
c)
(
9
x
+
6
y
)
(
12
x
−
3
y
)
d)
√x
e)
(
12
x
−
3
y
)
(i)
{a,c}
(ii)
{c,d}
(iii)
{e,a,c}
(iv)
{b,d,c}
(v)
{b,d}
Question
6
6.
Which of the following is a factor of
30
x
2
y
4
z
4
?
(i)
2
y
4
z
5
(ii)
2
y
4
z
(iii)
2
y
5
z
(iv)
x
3
y
4
z
(v)
2
x
2
y
4
z
5
Question
7
7.
Which of the following is not a factor of
49
x
2
y
4
z
5
?
(i)
7
x
2
y
4
z
4
(ii)
7
x
y
4
z
5
(iii)
7
x
3
y
5
z
6
(iv)
7
y
3
z
5
(v)
7
x
2
y
3
z
5
Question
8
8.
Which of the following is a factor of
(
11
x
+
y
3
z
4
)
?
(i)
11
y
(ii)
11
x
z
4
(iii)
11
x
(iv)
y
3
z
4
(v)
no factors
Question
9
9.
Which of the following is an irreducible factor of
20
x
5
y
3
z
5
?
(i)
x
2
y
3
z
5
(ii)
y
3
z
(iii)
x
2
y
(iv)
x
z
5
(v)
x
Question
10
10.
Which of the following is not an irreducible factor of
(
x
2
y
+
x
y
2
+
x
y
)
?
(i)
(
x
+
y
+
1
)
(ii)
x
y
(iii)
x
(iv)
y
Question
11
11.
b
4
=
(i)
b
✕
b
✕
b
✕
b
(ii)
b
✕
b
✕
b
✕
b
✕
b
(iii)
4
✕
b
✕
b
✕
b
✕
b
(iv)
b
✕
b
✕
b
(v)
-2
✕
b
✕
b
✕
b
✕
b
Question
12
12.
16
k
2
l
2
=
(i)
19
✕
k
✕
k
✕
l
✕
l
(ii)
16
✕
k
✕
k
✕
l
✕
l
(iii)
13
✕
k
✕
k
✕
l
✕
l
(iv)
16
✕
k
✕
l
✕
l
(v)
16
✕
k
✕
k
✕
k
✕
l
✕
l
Question
13
13.
k
2
l
3
m
4
=
(i)
k
✕
k
✕
k
✕
l
✕
l
✕
l
✕
m
✕
m
✕
m
✕
m
(ii)
−
k
✕
k
✕
l
✕
l
✕
l
✕
m
✕
m
✕
m
✕
m
(iii)
3
✕
k
✕
k
✕
l
✕
l
✕
l
✕
m
✕
m
✕
m
✕
m
(iv)
k
✕
l
✕
l
✕
l
✕
m
✕
m
✕
m
✕
m
(v)
k
✕
k
✕
l
✕
l
✕
l
✕
m
✕
m
✕
m
✕
m
Question
14
14.
b
✕
b
✕
b
✕
b
=
(i)
b
3
(ii)
−
2
b
4
(iii)
b
4
(iv)
b
5
(v)
4
b
4
Question
15
15.
p
✕
p
✕
p
✕
q
✕
q
✕
q
=
(i)
p
2
q
3
(ii)
p
4
q
3
(iii)
p
3
q
3
(iv)
4
p
3
q
3
(v)
−
p
3
q
3
Question
16
16.
d
✕
d
✕
e
✕
e
✕
e
✕
e
✕
f
✕
f
=
(i)
3
d
2
e
4
f
2
(ii)
d
e
4
f
2
(iii)
d
3
e
4
f
2
(iv)
−
2
d
2
e
4
f
2
(v)
d
2
e
4
f
2
Assignment Key
1) (v)
2) (ii)
3) (iii)
4) (v)
5) (ii)
6) (ii)
7) (iii)
8) (v)
9) (v)
10) (ii)
11) (i)
12) (ii)
13) (v)
14) (iii)
15) (iii)
16) (v)
