Download 1. 32 2. 8 2 3. 2 18 8 45 2 4 4. 5. 6. 7. 2 2 6 8. 3 27 2

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Topic 6: Simplify radicals
Simplify.
1.
4.
4
32 x8 y 9 z19
2.
45 y12 z10
2x
5.
8 x 4 yz 3 4 2 x 2 y 3 z 7
4
6
r 4 s9
2r 5
6.
2
6+ x
8. 3 27c 2 − 2 108c 2 − 48c 2
10. 4 x +
12.
(2
1
1
+
x
x
)(
2
(
7.
18 + 8
4 x
x−y
(
)
)
13. 4 3 −
2
3
+ 2 18
3
Answers
1. 2 x 2 y 2 z 4 4 2 yz 3
4.
3 y 6 z 5 10 x
2x
7.
4x + 4 y x
x − y2
1

10. 2 x  2 + 
x

12. 18 x − 3 xy − y
2. 2 xyz 2 4 x 2 z 2
5.
)
9. 4r 7 s 5 + 3r 2 r 3 s 5 − 2rs r 5 s 3
11. 2 5 − 3
3x − y 3 3x + y
3.
s 6 32r 5 s 3
2r
8. − 7c 3
3. 10
6.
12 − 2 x
36 − x
9. 3r 3 s 2 rs
11. 29 − 12 5
13. 3 3 + 6 2
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