New El Quds International School
American Division
Lower Grades Department
Subject: Mathematics Grade ( 9 )
(7-5)
Rational Exponents
Simplify each expression. All variables represent
nonnegative numbers.
1. 2. 3.
4. 5. 6.
7. 8. 9.
10. 11. 12.
27
1
3
12 1
1
2
0
1
3
64
1
227
1
3
16
1
48
1
3
10 0
1
264
1
6
1
1
549
1
2
32
3
5
16
3
4
y
5
5
x
4
y
12
a
6
b
3
3
