NAME
11-3
DATE
PERIOD
Skills Practice
Simplifying Rational Expressions
State the excluded values for each rational expression.
2p
p-7
2. −
k+2
k -4
4. −
2
y2 - 9
y + 3y - 18
b 2 - 2b - 8
6. −
2
1. −
3. −
2
5. −
2
4n + 1
n+4
3x + 15
x - 25
b + 7b + 10
Simplify each expression. State the excluded values of the variables.
12m r
8. −
3
16x 3y 2
36x y
8a 2b 3
10. −
3
n+6
3n + 18
4x - 4
12. −
y 2 - 64
y+8
14. −
z+1
z -1
16. −
2
2d + 10
d - 2d - 35
3h - 9
18. −
2
t 2 + 5t + 6
t + 6t + 8
20. −
2
x 2 + 10x + 24
x - 2x - 24
22. −
2
9. −
5 3
11. −
13. −
15. −
2
17. −
2
19. −
2
21. −
2
Chapter 11
24mr
40a b
4x + 4
Lesson 11-3
28bc
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
2
21bc
7. −
2
y 2 - 7y - 18
y-9
x+6
x + 2x - 24
h - 7h + 12
a 2 + 3a - 4
a + 2a - 8
b 2 - 6b + 9
b - 9b + 18
19
Glencoe Algebra 1