NAME
DATE
6-5
PERIOD
Skills Practice
Operations with Radical Expressions
Simplify.
24 2 √6
1. √
2. √
75 5 √
3
3
3
4. - √
48 -2 √
3
50x5 20x 2 √
5. 4 √
2x
4
4 4
6. √64a
b 2⎪ab ⎥ √
4
7.
3
1
- 8d 2f 5 - − f √
d 2f 2
√
3
2
21
3 √
−
9. - −
√7
11.
10.
7
10gz
2g3 g √
− −
√ 5z
8.
25
−
rt
√
36
2
6
3
2 √6
−
−
9
√
3
5 ⎪ ⎥ √
−
r t
3
) 45
12. (3 √
3 )(5 √3
5z
12 )(3 √
20 ) 48 √
13. (4 √
15
+ √
14. √2
8 + √
50 8 √
2
+ √
12 - 2 √3
108 6 √
15. √
3
16. 8 √
5 - √
45 - √
80
√
5
+ 6 √
18. (2 + √
3 )(6 - √
2 ) 12 - 2 √2
3-
√6
)(1 + √5
) -4
19. (1 - √5
2 - 5 √
720. (3 - √
7 )(5 + √
2 ) 15 + 3 √
√
14
) 2 8 - 4 √
3
2 - √6
21. ( √
22. −
48 - √
75 - √
12
17. 2 √
12 - 4 √2
7
4
23. −
−
3 + √
2
Chapter 6
√
3
3
7 - √2
21 + 3 √2
47
−
Lesson 6-5
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
4
4
1 6 2 √2
3. √
40 + 5 √6
5
58
8 - √6
24. − −
33
Glencoe Algebra 2