Transcript College Placement Test  2x y     4 xy  x y A.x B. 8y x C. 8y 8x D. y E.

College Placement Test
 2x y 


 4 xy 
7
18
x y
A.
2
x
B.
8y
3
3
6
3
18
x
C.
8y
8x
D.
y
3
18
3
18
E. 8x y
2
6
3
18
x
C.
8y
 2x y 


 4 xy 
7
3
2
3
3
Explanation:
Break down the
numerator and cube
each term…
Break down the
denominator and
cube each term…
2
3
7
3
8 x
21
4
2
(x )
3
(y )
y
3
6
3
( x)
3
(y )
3
Simplify the
fraction…
3
9
64 x y
8x y x
8 1
64 x y y
 
8
64 8
21
3
8
6
9
18
3
18
x
8y
3