482 CHAPTER 8 Roots, Radicals, and Root Functions
STUDY SKILLS
Your math final exam is likely to be a comprehensive exam, which means it will cover
material from the entire term.
1.Figure out the grade you need to earn on the final exam to
get the course grade you want.Check your course syllabus
for grading policies, or ask your instructor if you are not
sure.
How many points do you need to earn on your math final
exam to get the grade you want?
2.Create a final exam week plan.Set priorities that allow
you to spend extra time studying. This may mean making
adjustments, in advance, in your work schedule or enlist-
ing extra help with family responsibilities.
What adjustments do you need to make for final exam
week?
3.Use the following suggestions to guide your studying
and reviewing.
N Begin reviewing several days before the final exam.
DON’T wait until the last minute.
N Know exactly which chapters and sections will be
covered on the exam.
N Divide up the chapters.Decide how much you will
review each day.
N Use returned quizzes and tests to review earlier
material.
N Practice all types of problems. Use the Cumulative
Reviewsthat are at the end of each chapter in your textbook. All answers, with
section references, are given in the answer section.
N Review or rewrite your notesto create summaries of important information.
N Make study cards for all types of problems.Carry the cards with you, and review
them whenever you have a few minutes.
N Take plenty of short breaks to reduce physical and mental stress.Exercising,
listening to music, and enjoying a favorite activity are effective stress busters.
Finally, DON’Tstay up all night the night before an exam—get a good night’s sleep.
Select several suggestions to use as you study for your math final exam.Preparing for Your Math Final Exam
(^316) CHAPTER 5Exponents, 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
(c)2.16 (d) B.Whole numbers
C.Integers D.Rational numbers
(e) (f) E.Irrational numbers
F.Real numbers
Evaluate.
(^213) - 54
- (^236)
CUMULATIVE REVIEW EXERCISES
CHAPTERS 1–5
Solve.
- for t 8.
- 10.|3z+1|Ú
7
|3x-1|= 2 21 m+^52 -^3 m+^175
A=p+prt^31 x+^22 -^51 x+^22 =- 2 x- 4- 518 - 2 z 2 + 417 - z 2 = (^718) +z 2 - 3
a^13 b -|8-13 |-|-4|+|-9|
(^2) - a 1
2 b
9 # 4 - (^16) , 4 3
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 InventionPercent Actual Number
PacemakerPersonal computer^480
Wireless communication 26%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
(b)standard form. (a)slope-intercept form and in
15.Through 16.Through and
Graph each equation or inequality.
- 3 x+ 4 y= (^12) y... 2 x- (^6) 19. 3 x+ 2 y (^60)
1 0, 0 (^21) 1, 4 2
1 4, - (^12) , m=- 4
1 2, - (^321) 4, 5 2
1 - 4, 5 2
(6x + 10)°
(x + 15)° (x – 5)°