482 CHAPTER 7 Rational Expressions and Applications
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.
NBegin reviewing several days before the final exam.
DON’T wait until the last minute.
NKnow exactly which chapters and sections will be
covered on the exam.
NDivide up the chapters.Decide how much you will
review each day.
NUse returned quizzes and tests to review earlier
material.
NPractice 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.
NReview or rewrite your notesto create summaries of important information.
NMake study cards for all types of problems.Carry the cards with you, and
review them whenever you have a few minutes.
NTake 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
CHAPTERS 1–5Cumulative Review Exercises 357CUMULATIVE REVIEW EXERCISESCHAPTERS1–5Write each fraction in lowest terms.
- 3.A contractor installs sheds. Each requires be needed for 25 sheds? of concrete. How much concrete would
4.A retailer has $34,000 invested in her business. She finds that last year she earned 5.4%on this investment. How much did she earn?
5.List all positive integer factors of 45.
6.If and find the value of
Perform each indicated operation.
- 3.A contractor installs sheds. Each requires be needed for 25 sheds? of concrete. How much concrete would
- Decide which property justifies each statement.
- 11.Simplify the expression
Solve each equation.
- 11.Simplify the expression
Solve each problem.
19.A husky running the Iditarod burns exertion for every 1 calorie burned in thermoregula-calories in
study, a husky in top condition burns an amazingtion in extreme cold. According to one scientific
total of 11, 200 calories per day. How many caloriesare burned for exertion, and how many are burned
to the nearest whole number.for regulation of body temperature? Round answers
20.One side of a triangle is twice as long as a second side.The third side of the triangle is 17 ft long. The perimeter
of the triangle cannot be more than 50 ft. Find the longestpossible values for the other two sides of the triangle.
(^538)
(^4) - 13 x+ (^122) = 12 x- 92 - 15 x- 12 0.05x+0.15^150 - x^2 =5.50
1
3 p-^16 p=-^2
x
5 =x- 72
d=rt for r^215 x+^12 =^10 x+^4
2 - 31 t- 52 = 4 +t
(^312) x^2 - 8 x+ 92 - 1641 x^42 ++ 32 x^2 += (^2612).^42 +^6122
19 + (^22) + 3 = 9 + 12 + 32
7 - 332 + 15 - 824
1 - 13 + 152 - (^13) + 22
6 - 12
4 x- 2 y
x+y.
x=- 2 y=4,
141 yd^3
55
11
28
16
Nome
Finish
Start
Anchorage
ALASKA
(^2) x
17
x
2008 XXXVI Iditarod
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