Intermediate Algebra (11th edition)

CHAPTERS 1–9 Cumulative Review Exercises 569

Perform the indicated operations.

22. 23.Divide by.

Factor completely.

Perform the indicated operations or simplify the complex fraction, and express each answer in
lowest terms. Assume denominators are nonzero.

27. 28. 29.

Simplify each radical expression.

30. 31.

32.Two cars left an intersection at the same time, one heading due south and the other due
east. Later they were exactly 95 mi apart. The car heading east had gone 38 mi less than
twice as far as the car heading south. How far had each car traveled?

2

B 27 - 25

3

27

16

r

s

-

s

r

r

s

+ 1

3

2 - x

-

5

x

+

6

x^2 - 2 x

5 x+ 2

• 6

,

15 x+ 6

5

24 m^2 + 2 m- 15 8 x^3 + 27 y^39 x^2 - 30 xy+ 25 y^2

a 4 x^3 + 2 x^2 - x+ 26 x+ 2

2

3

t+ 9 b

2

S

E

95

x

2 x – 38