Algebra 1 - MathnMind

12-8
Simplify each expression.
3 2
5
10.
11.
12.
2 5
6
b
2 b 12
a 4
a2
a2 16
a
13.
14.
q 3
15.
g
b2
3b 4
g 9
7
16.
17.
18.
b 2
NAME ______________________________________________ DATE ____________ PERIOD _____
3
b b
Practice
Mixed Expressions and Complex Fractions
Write each mixed expression as a rational expression.
9
1. 14
u
4d
2. 7d
p
6 n
3. 3n
n
b 3
t 5
s 1
4. 5b 5. 3 6. 2s
2b
t2 1
s 1
7. 2p 8. 4n2 p 1
n 1
4
9. (t 1)
p 3
n2 1
t 5
m
6n
3m
n2
TRAVEL For Exercises 19 and 20, use the following information.
1
Ray and Jan are on a 12-hour drive from Springfield, Missouri, to Chicago, Illinois. They
2
1
stop for a break every 3 hours.
4
19. Write an expression to model this situation.
q2
2
7q
12
q2
16
6
y
y
7
y y 6
20. How many stops will Ray and Jan make before arriving in Chicago?
10
5
g g 4
x2 y
2
2
x
x y
3x
k 6k
k2
4k 5
k 8
k2
9k 8
1
21. CARPENTRY Tai needs several 2-inch wooden rods to reinforce the frame on a futon.
4
1
She can cut the rods from a 24-inch dowel purchased from a hardware store. How
2
many wooden rods can she cut from the dowel?
© Glencoe/McGraw-Hill 750 Glencoe Algebra 1
2