Intermediate Algebra (11th edition)

316 CHAPTER 5 Exponents, Polynomials, and Polynomial Functions

1.Match each number in Column I with the choice or choices of sets of numbers in Column II

to which the number belongs.

III

(a) 34 (b) 0 A.Natural numbers B.Whole numbers

(c) 2.16 (d) C.Integers D. Rational numbers

(e) (f ) E.Irrational numbers F. Real numbers

Evaluate.

-

4

5

213

- 236

CUMULATIVE REVIEW EXERCISES

CHAPTERS 1–5

2. 3. 4.

Solve.

5. 
   
   
   
   6. 
      
   
   
   
   


6. for t 8.
   9.|3x-1|= 2 10.|3z+1|Ú 7

A=p+prt 21 m+ 52 - 3 m+ 175

• 518 - 2 z 2 + 417 - z 2 = 718 +z 2 - 3 31 x+ 22 - 51 x+ 22 =- 2 x- 4

a -|8-13 |-|-4|+|-9|

1

3

b

2

• a

1

2

b

3

9 # 4 - 16 , 4

11.A recent survey polled teens about the most important inventions of the 20th century.

Complete the results shown in the table if 1500 teens were surveyed.

Source:Lemelson–MIT Program.

Most Important Invention Percent Actual Number

Personal computer 480

Pacemaker 26%

Wireless communication 18%

Television 150

12.Find the measure of each angle of the triangle.

Find the slope of each line described.

13.Through and 14.Horizontal, through

Find an equation of each line. Write the equation in (a)slope-intercept form and in

(b)standard form.

15.Through 16.Through and

Graph each equation or inequality.

17.- 3 x+ 4 y= 12 18.y... 2 x- 6 19. 3 x+ 2 y 60

1 4, - 12 , m=- 4 1 0, 0 2 1 1, 4 2

1 - 4, 5 2 1 2, - 32 1 4, 5 2

(6x + 10)°

(x + 15)° (x – 5)°