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Math 9 Chapter 5 Factorization-9
1.
Simplified form of (x-y)/x(x+y) � x
2
-y
2
/x
a) 1
b) (x+y)
2
c) x+y
d) (x-y)
2
e) 1/(x+y)
2
2.
Simplified form of (1+x/1-x ) is ______________.
a) 1/1-x
b) 1+x
c) 1-x
d) 1/1+x
3.
Square root of a
2+4ac+4c
2
is _____________.
a) a
2
+4c
2
b) a-2c
c) a
2
-4c
2
d) + - (a+2c)
4.
Square root of y
4
+ 1/ y
4
+2 is _______________.
a) + - (y + 1/y)
b) + - (y
2
+1/y)
c) + - (y
2
- 1/y)
d) + - (y-1/y)
5.
What will be added in 49x
2
+14y to make it a complete square?
a) 7y
2
b) y
c) y
2
d) 2y
2
6.
Ö
9x
2
-12xy+4y
2
= ___________________
a) + - (3x
2
+2y
2
)
b) + - (3x-2y)
c) + - (3x+2y)
d) + - (3x
2
-2y
2
)
7.
Square root of an algebraic expression can be calculated by ________ methods.
a) Division and Multiplication
b) Factorization
c) Division
d) Factorization & Division
8.
The square root of x
2
+8x+16 consists of two expressions, one is (x+4) and other is _____.
a) - (x+4)
b) + - (x-4)
c) (x+4)
d) + - (x+4)
9.
Simplified form of a
3
-b
3
/(a-b)
2
is ______________.
a) a-b/a+b
b) a
2
+ab+b
2
/a+b
c) a+b/a - b
d) a
2
+ab+b
2
/a-b
10.
For what value of b, x
2
+bx+25 is a perfect square, b= ______________.
a) 5x
b) 2
c) 5
d) 10x
e) 10
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