Prealgebra
Math 40 OER
Practice Final
(Ch. 1-8)
PART I: NO CALCULATOR (200 points)
(1.3)
1.
Find all divisors of the following numbers.
a) 120
b) 72
c) 64
(1.4)
2.
Find the prime factorization of the
Practice Final for Math 80A
(Chapters 1-6) 6th Edition
(2.2)
Write the following into an algebraic expression and simplify completely.
1. The perimeter of a rectangle with length 3 x 8 and width 2 x +
4.1 ANALYZING RATIONAL FUNCTIONS ALGEBRAICALLY
1) Determine the asymptotes and/or holes in the graph (if they exist).
p x
Rational functions have the following form: f x
q x
Vertical asymptotes and h
Intermediate Algebra
Math 80A (6th ed.)
Practice Midterm
(Ch. 1-4)
(1.2)
1.
5
List the elements of the set 5, , , 25 ,0.3, 7 which are
13
a) integers
b) real numbers
c) rational numbers
(1.4)
2.
Indic
College Algebra
Practice Final
(Ch. 1 8)
1.
30
8
Given the following set , 0, 1, 0.9, 36, , 15, ,
7
2
list all elements that belong to the set of:
a) Natural Numbers
b) Whole Numbers
c) Integers
d) Ra
Practice Midterm for Math 80
(Chapters 1-6) 6th Edition
1. Solve:
a) 4 x 3 15
b) 2 x 2 14
c) x 1 3
2. Graph:
a) y
5
x 1
3
2 x 2 if x 0
b) f ( x)
2 x 1 if x 0
References:
#1
Sections: 2.5-2.7
#2a)
S
College Algebra
Practice Midterm
(Ch. 1 4)
1.
30
Given the following set 8, 0, 1, 0.36, 10, , 49 , list all elements that belong to the set
7
of:
a) Natural Numbers
b) Whole Numbers
c) Integers
d) Rat
Math 140
Trigonometry 11th edition Lial, Hornsby, Schneider, and Daniels
Practice Midterm
(Ch. 1-4)
PART I: NO CALCULATOR (64 points)
(4.1, 4.2, 4.3, 4.4)
Match each graph with one of the basic circul
Math 140
Trigonometry 11th edition Lial, Hornsby, Schneider, and Daniels
Practice Final
(Ch. 1-8)
PART I: NO CALCULATOR (144 points)
(4.1, 4.2, 4.3, 4.4)
For the following functions:
a) Find the ampli
FORMULAS FOR CHAPTER 6
Conic Sections with Center at the Origin:
CIRCLES
Equation
x2 y 2 r 2
ELLIPSES
Equation
2
2
x2 y2
1; where a b
b2 a 2
x
y
2 1; where a b
2
a
b
Vertices
a, 0
and a, 0
0, a
1. Assume that an ice cream shop on the BYU-Idaho campus offers 10 different flavors of
ice cream with 5 different toppings. Answer the following questions by using the
appropriate counting technique
1. Suppose you are turning in a receipt to your ward financial clerk for a reimbursement and
unfortunately only the final amount of $37.29 is showing on the receipt. The ward clerk
asks for your help
1. In 10 tosses of a fair coin, would you be surprised to see exactly 6 heads? In 1000 tosses
of a fair coin, would you be surprised to see exactly 600 heads? Of the two scenarios,
which is the more s
1. Suppose the number of cells in a tumor double every 6 months. If the tumor begins with a
single cell, how many cells will there be after 3 years and after 4 years?
26 =64
3x2=6
8
4x2=8 2 =256
2. Th
1. A survey asked the following two questions: Do you favor a tax cut or increased
spending on other government programs? Result: 75% favored a tax cut. Do you favor
a tax cut or spending to fund new
1. Very Comfortable Retirement
Suppose you would like to have a retirement fund from which you can draw an income of
$100,000 per year-forever! How much would you need to have invested by the time you
1. How should you choose between taking the standard deduction and itemizing
deductions?
If your itemized deductions will give you a greater benefit then just the standard
deduction.
2. Explain how yo
1. True or False: In building a confidence interval for a proportion you can cut the margin of
error in half (from E to E/2) by doubling the sample size (from n to 2n).
true
2. True or False: If a wel
1. How many people at the conference are employed men without a college degree in the
figure above? (See Problem #62 in 1C of your textbook.)
6
2. How many people at the conference are unemployed men
1. Look over the following recent roster of the Czech national soccer team and discuss with
your group whether the tendency for birthdays in the early part of the year
was coincidental or if there was
1. Assume that an ice cream shop on the BYU-Idaho campus offers 10 different flavors of
ice cream with 5 different toppings. Answer the following questions by using the
appropriate counting technique
1. Suppose that you need a loan of $10,000 and are offered a choice of a 3-year loan at 7%
interest or a 5-year loan at 8% interest. Find the monthly payment and total interest for
each. Then state a
1. Choose the fallacy that best represents the following statements: Over the past few
hundred years, global warming has increased and the number of pirates on the open seas
has decreased. Therefore,
1. Describe in easy to understand language the difference between simple interest and
compound interest and why compounding truly makes a difference in the long run.
Simple interest just adds interest
1. In 10 tosses of a fair coin, would you be surprised to see exactly 6 heads? In 1000 tosses
of a fair coin, would you be surprised to see exactly 600 heads? Of the two scenarios,
which is the more s
1 Explain whether this makes sense or not and why:
I followed all the guidelines for sample selection carefully, yet my sample still did not reflect
the characteristics of the population.
This can mak
1. Explain whether this makes sense or not and why: I rearranged the bars on my histogram
so that the tallest bar would come first.
I think this doesnt make sense. A histogram shows information in a c
Questions
1. Using the Rule of 70, what is the doubling time for a money market investment CD
(certificate of deposit) that earns 3.75% annually?
70/3.75=18.67 years
2. In 1982 the approximate members
1. Describe in a few sentences, why you think this statement below makes logical sense or
does not make logical sense:
When Jennifer is depressed, she listens to music on her iPod. I saw her today lis