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CBSE Questions for Class 8 Maths Factorisation Quiz 6 - MCQExams.com
CBSE
Class 8 Maths
Factorisation
Quiz 6
State whether the statement is true (T) or false (F).
Factorized form of
p
2
+
30
p
+
216
is
(
p
+
18
)
(
p
−
12
)
.
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0%
True
0%
False
Explanation
Factorizingthe given expression by splitting the middle term,
p
2
+
30
p
+
216
=
p
2
+
18
p
+
12
p
+
216
=
p
(
p
+
18
)
+
12
(
p
+
18
)
=
(
p
+
12
)
(
p
+
18
)
Clearly,
(
p
+
12
)
(
p
+
18
)
≠
(
p
+
18
)
(
p
−
12
)
Hence, the fiven statement is false.
Choose the correct answer
4
a
+
12
b
is equal to
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0%
4
a
0%
12
b
0%
4
(
a
+
3
b
)
0%
3
a
Which among the options is one of the factors of
x
2
+
x
6
−
1
6
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0%
3x + 1
0%
2x + 1
0%
x
−
1
5
0%
x
−
1
2
The value of
(
3
x
3
+
9
x
2
+
27
x
)
÷
3
x
is
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0%
x
2
+
9
+
27
x
0%
3
x
3
+
3
x
2
+
27
x
0%
3
x
3
+
9
x
2
+
9
0%
x
2
+
3
x
+
9
Explanation
(
3
x
3
+
9
x
2
+
27
x
)
÷
3
x
=
3
x
3
+
9
x
2
+
27
x
3
x
=
3
x
3
3
x
+
9
x
2
3
x
+
27
x
3
x
=
x
2
+
3
x
+
9
Hence, option
D
is the correct answer.
The value of
(
2
x
2
+
4
)
÷
2
is
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0%
2
x
2
+
2
0%
x
2
+
2
0%
x
2
+
4
0%
2
x
2
+
4
0:0:1
1
2
3
4
5
1
2
3
4
5
0
Answered
1
Not Answered
4
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Correct : 0
Incorrect : 0
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