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Math 9 Chapter 5 Factorization-2
1.
Factorization of x
2
-8y
2
-6x
2
y+12xy
2
is?
a) (x-2y) (x-2y)(x-2y)
b) (x+2y)
2
c) None
d) (x-2y)
2
2.
Factorization of 1-125x
2
is?
a) None
b) (1)
2
-(5x)
2
c) (1-5x)(1+5x+25x^2)
d) (1)
2
+(5x)
2
3.
x
2
- 81 = (x+9) ( _______ ).
a) x+9
b) x/9
c) x-9
4.
x
2
y
2
-y
2
= y
2
(x+1) ( ________ ).
a) x/1
b) x+1
c) x-1
5.
4x
2
-5xy+y
2
= (4x-y) ( ___________ )
a) (x-y)
b) (x/y)
c) (x+y)
6.
x
2
-3x+2 = ( _____________ ) (x-1).
a) x+2
b) x-2
c) x/2
7.
x
3
+ 8 = (x+2) ( ___________ ).
a) x
2
-2x-4
b) x
2
2x+4
c) x
2
-2x+4
8.
1-27a
3
/ b
3
= ( ___________ ) (1+3a/ b +9a
2
/b
2
)
a) (1-3a *b)
b) (1-3a/b)
c) (1-3a+b)
9.
x
3
+ y
3
+1/x
3
-3y = ( _____________ ) (x
2
+y
2
+1/x
2
-xy-y/x-1)
a) (x-y+1/x)
b) (x+y+1/x)
c) (x+y+1-x)
10.
Find remainder when 9x
2
-6x+2 is divided by (x-3)?
a) 70
b) 60
c) 55
d) 65
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