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Math 9 Chapter 5 Factorization-1
1.
To find out which numbers have interacted to form an original number and when these found out numbers are multiplied, added, divided or subtracted together, they make the original number is called factorization ie 4 can be 2x2 = 4 or 2+2 = 4 (writing 4 as 2x2 or 2+2 is factorization of 4)
a) True
b) False
2.
When polynomial has been written as a product consisting only of prime factors then it is called?
a) Numerical Completely
b) Divided Completely
c) Dispersed Completely
d) Factor completely
3.
Factorization of 5a-5b-15c is?
a) -5(-a+b+3c)
b) 5(a-b)-15c
c) None
d) 5(a-b-3c)
4.
Factorization of 3x-3a+xy+ay is?
a) (3+y)(3+y)(x-a)
b) None
c) (3+y)(x-a)
d) x(3+y)-a(3+y)
5.
(a+b)
2
=?
a) a
2
+2ab+b
2
b) (a+b)(a+b)
c) Both are true
d) Both are false
6.
Factorization of 25x
2
+16+40x is?
a) (5x+4)
2
b) (5x-4)(5x+4)
c) (5x+4)(5x+4)
d) (5x-4)
2
7.
Factorization of 4x
2
-(2y-2)
2
is?
a) None
b) (2x+2y+z)(2x+2y+z)
c) (2x)
2
-(2y-z)
2
d) (2x-2y+z)(2x+2y-2)
8.
Factorization of x
2
+6x+9-4y
2
is?
a) (x-3)
2
-(2y)
2
b) (x+3+2y)(x+3-2y)
c) (x+3)
2
-(2y)
2
d) (x+3+2y)(x+3+2y)
9.
Factorization of 9x
2
+36y
2
is?
a) (3x
2
+6xy+6y
2
)(5x
2
-6xy+6y
2
)
b) Both are true
c) 9(x
2
+4y
2
)
d) Both are false
10.
If p(x)= g(x) h(x) is a polynomial then g(x) and h(x) are called …… of p(x)?
a) Parts
b) Factor
c) Joints
d) Segments
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