1. ASHFORD MAT 221 Entire Course
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MAT 221 Week 1 Assignment 1 Simplifying Expressions
MAT 221 Week 1 DQ 1 Evaluating Algebraic Expressions
MAT 221 Week 2 Assignment 2 Inequalities
MAT 221 Week 2 DQ 1 Formulas
MAT 221 Week 3 Assignment 3 Two-Variable Inequality
MAT 221 Week 3 DQ 1 Parallel and Perpendicular
MAT 221 Week 4 Assignment 4 Financial Polynomials
MAT 221 Week 4 DQ 1 Initial Investment
MAT 221 Week 5 Assignment 5 Pythagorean Quadratic
MAT 221 Week 5 DQ 1 Factoring
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ASHFORD MAT 221 Week 1 Assignment 1 Simplifying
Expressions
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Read the following instructions in order to complete this assignment,
and review the example of how to complete the math required for this
assignment:
Use the properties of real numbers to simplify the following expressions:
2a(a – 5) + 4(a – 5)
2w – 3 + 3(w – 4) – 5(w – 6)
0.05(0.3m + 35n) – 0.8(-0.09n – 22m)
Write a two to three page paper that is formatted in APA style and
according to the Math Writing Guide. Format your math work as shown
in the example and be concise in your reasoning. In the body of your
essay, please make sure to include:
Your solution to the above problem, making sure to include all
mathematical work.
Plan the logic necessary to complete the problem before you begin
writing. For examples of the math required for this assignment, please
review Elementary and Intermediate Algebraand the example of how to
complete the math required for this assignment.
Show every step of the process of simplifying and identify which
property of real numbers was used in each step of your work. Please
include your math work on the left; the properties used on the right.
A discussion of why the properties of real numbers are important to
know when working with algebra. In what ways are they useful for
3. simplifying algebraic expressions? The incorporation of the following
five math vocabulary words into the text of your paper. Use bold font to
emphasize the words in your writing (Do not write definitions for the
words; use them appropriately in sentences describing your math
work.):
Simplify
Like terms
Coefficient
Distribution
Removing parentheses
For information regarding APA samples and tutorials, visit the Ashford
Writing Center, within the Learning Resources tab on the left navigation
toolbar.
Carefully review the Grading Rubric for the criteria that will be used to
evaluate your assignment.
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ASHFORD MAT 221 Week 1 DQ 1 Evaluating Algebraic
Expressions
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Evaluating Algebraic Expressions
Read the following instructions in order to complete this discussion, and
review the example of how to complete the math required for this
assignment:
1. Write your birth date or the birth date of someone in your family as
mm/dd/yy. (Example: March 13, 1981 is written 3/13/81, and
November 7, 1967 is written 11/7/67).
2. Now let a = the one- or two-digit month number,
3. b = the negative of the one- or two-digit day number, and
4. c = the two-digit year number.
(Our example: a = 3, b = -13, and c = 81 or a = 11, b = -7, and c =
66)
1. Use the following algebraic expressions for parts c-d of the
discussion:
2.
3.
4.
1. Evaluate the three given expressions using the a, b, and c from
your birth date. Make sure that b is negative when you plug in the
values.
2. After you have your math worked out on scratch paper, post your
results as well as a description of the steps you took to evaluate the
expressions.
5. 3. Did you notice anything interesting about the results of and ?
Was this coincidence or do you think there is a reason for this?
1. Incorporate the following five math vocabulary words at least once
into your discussion. Use bold font to emphasize the words in your
writing (Do not write definitions for the words; use them
appropriately in sentences describing your math work.):
2. Exponent
3. Integer
4. Variable
5. Lowest terms
6. Divisor
Your initial post should be 150-250 words in length. Respond to at least
two of your classmates’ posts by Day 7 in at least a paragraph. Do you
agree with how your classmates used the vocabulary? Did the student
handle the negatives in the formulas accurately?
===============================================
ASHFORD MAT 221 Week 2 Assignment 2 Inequalities
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6. 1. Assignment
To complete the following assignment, go to this
week's Assignment link in the left navigation.
Inequalities
Read the following instructions in order to complete this assignment,
and review theexampleow to complete the math required for this
assignment:
Read the article about Body Mass Index (BMI) on page 151
of Elementary and Intermediate Algebra. Use the formula given using
pounds and inches for finding the BMI at the end of the first paragraph
in order to find the four intervals the article mentions:
o 17 < BMI < 22 might have a longer life span than average
o 23 < BMI < 25 probably not overweight
o 25 < BMI < 29.9 probably overweight
o BMI > 30 obese
You will use your height to plug into the formula to solve for W, the
weight range that will go with each category. You may prefer to solve
the formula for the variable W before plugging in values, which is fine.
Write a two to three page paper that is formatted in APA style and
according to the Math Writing Guide. Format your math work as shown
in the Instructor Guidance and be concise in your reasoning. In the body
of your essay, please make sure to include:
o Your solution to the above problem, making sure to include all
mathematical work
o A discussion on the computed weight ranges and some reasons why they
could be misleading
o An evaluation of the regions outside of the “probably not overweight”
range using both set notation and interval notation. Include a simple
graph of the regions. (See Instructor Guidance example for some ideas
of how to do this.)
7. o The incorporation of the following five math vocabulary words into your
discussion. Use bold font to emphasize the words in your writing (Do
not write definitions for the words; but integrate them into your
discussion.):
Inequality
Equivalent
Compound inequality
Interval
Infinity
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ASHFORD MAT 221 Week 2 DQ 1 Formulas
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Read the following instructions in order to complete this discussion, and
review the example of how to complete the math required for this
assignment:
Read about Cowling’s Rule for child sized doses of medication (number
92 on page 119 of Elementary and Intermediate Algebra).
8. Solve parts (a) and (b) of the problem using the following details
indicated for the first letter of your last name:
If
your lastname starts
with letter
For part (a) of problem
92 use this information to
calculate the child’s dose.
For part (b) of
problem 92 use this
information to
calculate the child’s
age.
A or Z
adult dose 400mg
ibuprofen; 5 year old
child
800mg adult, 233mg
child
C or X
adult dose 500mg
amoxicillin; 11 year old
child
250mg adult, 52mg
child
E or V
adult dose 1000mg
acetaminophen; 8 year
old child
600mg adult, 250mg
child
G or T
adult dose 75mg Tamiflu;
6 year old child
500mg adult, 187mg
child
I or R
adult dose 400mg
ibuprofen; 7 year old
child
1200mg adult,200mg
child
K or P
adult dose 500mg
amoxicillin; 9 year old
child
100mg adult, 12.5mg
child
M or N adult dose 1000mg
acetaminophen: 6 year
600mg adult, 200mg
child
9. old child
O or L
adult dose 75mg Tamiflu;
11 year old child
1000mg adult, 600g
child
Q or J
adult dose 400mg
ibuprofen; 8 year old
child
500mg adult, 250mg
child
S or H
adult dose 500mg
amoxicillin; 4 year old
child
300mg adult, 100mg
child
U or F
adult dose 1000mg
acetaminophen; 3 year
old child
75mg adult, 12.5mg
child
W or D
adult dose 75mg Tamiflu;
5 year old child
1200mg adult, 300mg
child
Y or B
adult dose 400mg
ibuprofen; 2 year old
child
400mg adult, 50mg
child
Explain what the variables in the formula represent and show all steps in
the computations.
Incorporate the following five math vocabulary words into your
discussion. Use bold font to emphasize the words in your writing (Do
not write definitions for the words; use them appropriately in
sentences describing your math work.):
Literal equation
Formula
Solve
Substitute
10. Conditional equation
Your initial post should be 150-250 words in length. Respond to at least
two of your classmates’ posts by Day 7. Do you agree with how your
classmates used the vocabulary? Do the mathematical results seem
reasonable?
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ASHFORD MAT 221 Week 3 Assignment 3 Two-Variable
Inequality
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To complete the following assignment, go to this
week's Assignment link in the left navigation.
Two-Variable Inequality
Read the following instructions in order to complete this assignment,
and review theexample of how to complete the math required for this
assignment:
11. Read problem 46 on page 240 of Elementary and Intermediate Algebra.
o Assign a variable to each type of rocker Ozark Furniture makes.
o Write a linear inequality which incorporates the given information of
total board feet and the board feet required for each type of rocker.
o On scratch paper draw a graph of the inequality so that you have this
visual to go by as you discuss the graph in your writing. A scanned copy
of this graph may be attached with your essay, but is not required.
Write a two to three page paper that is formatted in APA style and
according to the Math Writing Guide. Format your math work as shown
in the Instructor Guidance and be concise in your reasoning. In the body
of your essay, please make sure to include:
Your solution to the above problem, making sure to include all
mathematical work.
A discussion on what this graph looks like. Include information about
the intercepts, the type of line needed, direction of the line, and region(s)
shaded to fulfill the inequality. Any details which are pertinent to know
about the graph should be mentioned.
An application of the findings in this graph. For example, pick a point in
the shaded area and give its coordinates, and then discuss what those
numbers mean in terms of rockers and board feet of lumber. Pick a point
outside of the shaded area and do the same thing. Pick a point right on
the line and discuss the same details. Be specific.
An evaluation of the following: A chain furniture store faxes an order
for 175 modern rocking chairs and 125 classic rocking chairs. Will
Ozark Furniture be able to fill this order with the current lumber on
hand? If yes, how much lumber will they have left? If no, how much
more lumber would they need to fill the order?
===============================================
ASHFORD MAT 221 Week 3 DQ 1 Parallel and Perpendicular
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Parallel and Perpendicular
Read the following instructions in order to complete this discussion, and
review the example of how to complete the math required for this
assignment:
Given an equation of a line, find equations for lines parallel or
perpendicular to it going through specified points. Find the appropriate
equations and points from the table below. Simplify your equations into
slope-intercept form.
If your first
namestarts
with
Write the equation of a
line parallel to the given
line but passing through
the given point.
Write the equation of a line
perpendicular to the given line
but passing through the given
point.
A or N
B or O
C or P
D or Q
13. E or R
F or S
G or T
H or U
I or V
J or W
K or X
L or Y
M or Z
Discuss the steps necessary to carry out each activity. Describe briefly
what each line looks like in relation to the original given line.
Answer these two questions briefly in your own words:
What does it mean for one line to be parallel to another?
What does it mean for one line to be perpendicular to another?
Incorporate the following five math vocabulary words into your
discussion. Use bold font to emphasize the words in your writing (Do
not write definitions for the words; use them appropriately in
sentences describing your math work.):
Origin
Ordered pair
X- or y-intercept
Slope
Reciprocal
14. Your initial post should be 150-250 words in length. Respond to at least
two of your classmates’ posts by Day 7. Make sure you choose people
who don’t have the same equations as you worked. Do you agree with
how they used the vocabulary? Do their equations seem reasonable
given what they started with?
===============================================
ASHFORD MAT 221 Week 4 Assignment 4 Financial
Polynomials
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To complete the following assignment, go to this
week's Assignment link in the left navigation.
Financial Polynomials
Read the following instructions in order to complete this assignment,
and review theexample of how to complete the math required for this
assignment:
15. 1. Solve problem 90 on page 304 of Elementary and Intermediate
Algebra. Be sure that you show all steps of the squaring of the
binomial and multiplication along with any simplification which
might be required.
o Evaluate the polynomial resulting from step 1 using:
P = $200 and r = 10%, and also with
P = $5670 and r = 3.5%
o Colmplete problem 70 on page 311 of Elementary and
Intermediate Algebra. Show all steps of the division.
2. Write a two to three page paper that is formatted in APA style and
according to the Math Writing Guide. Format your math work as
shown in the Instructor Guidance and be concise in your reasoning.
In the body of your essay, please make sure to include:
3. Your solution to the above problems, making sure to include all
mathematical work and a discussion of how and why this is
applicable to your everyday life.
o Plan the logic necessary to complete the problem before you begin
writing.
o Use the underline feature with single spacing to set up the
division(s), and use the “strikethrough” font to show the canceling
factors. Can you think of another way this division could be
approached and worked out? If yes, briefly describe the method.
4. Incorporate the following five math vocabulary words into your
discussion. Usebold font to emphasize the words in your writing
(Do not write definitions for the words; use them appropriately
in sentences describing your math work.):
5. FOIL
6. Like terms
7. Descending order
8. Dividend
9. Divisor
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16. ASHFORD MAT 221 Week 4 DQ 1 Initial Investment
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Initial Investment
Read the following instructions in order to complete this discussion, and
review the example of how to complete the math required for this
assignment:
1. Think of something you want or need for which you currently do
not have the funds. It could be a vehicle, boat, horse, jewelry,
property, vacation, college fund, retirement money, or something
else. Pick something which cost somewhere between $2000 and
$50,000.
2. On page 270 of Elementary and Intermediate Algebra you will
find the “Present Value Formula,” which computes how much
money you need to start with now to achieve a desired monetary
goal. Assume you will find an investment which promises
somewhere between 5% and 10% interest on your money and you
want to purchase your desired item in 12 years. (Remember that
the higher the return, usually the riskier the investment, so think
carefully before deciding on the interest rate.)
3. State the following in your discussion:
4. The desired item
17. 5. How much it will cost in 12 years
6. The interest rate you have chosen to go with from part 2
Set up the formula and work the computational steps one by one,
explaining how each step is worked, especially what the negative
exponent means. Explain what the answer means. Does this formula
look familiar to any other formulas you are aware of? If so, which
formula(s) and how is it similar? Incorporate the following five math
vocabulary words into your discussion. Use bold font to emphasize the
words in your writing (Do not write definitions for the words; use
them appropriately in sentences describing your math work.):
Power
Reciprocal
Negative exponent
Position
Rules of exponents
Your initial post should be 150-250 words in length. Respond to at least
two of your classmates’ posts by Day 7. Do you agree with how they
used the vocabulary? Do their answers make sense?
===============================================
ASHFORD MAT 221 Week 5 Assignment 5 Pythagorean
Quadratic
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To complete the following assignment, go to this
week's Assignment link in the left navigation.
Pythagorean Quadratic
Read the following instructions in order to complete his assignment, and
review the example of how to complete the math required for this
assignment, and review theexample of how to complete the math
required for this assignment:
Read problem 98 on page 371 of Elementary and Intermediate Algebra.
Along with factoring, this problem also requires the use of the
Pythagorean Theorem to solve it.
o On your scratch paper draw a diagram which includes the location of
Castle Rock and the dimensions of a triangle with the given number of
paces. Seeing the relationship of the sides and where the right angle is
will help you know how to apply the Theorem. You may include the
diagram in your paper but are not required to do so.
o Write the equation first by inserting the given binomials into the
Pythagorean Theorem. Once you have your equation written, go ahead
and solve it using the methods from section 5.6 of Elementary and
Intermediate Algebra.
Write a two to three page paper that is formatted in APA style and
according to the Math Writing Guide. Format your math work as shown
in the Instructor Guidance and be concise in your reasoning. In the body
of your essay, please make sure to include:
19. Your solution to the above problem, making sure to include all
mathematical work, and an explanation for each step.
If there is more than one solution to the quadratic equation, be sure you
indicate which one is the best solution for this application problem and
why. Translate the polynomial measurements of the triangle to paces
according to your solution.
Read this discussion on how GPS works, at howstufffworks.com. Apply
your understanding of the mathematical concepts explored in problem
98 to a discussion on navigation in general.
Incorporate the following four math vocabulary words into your writing.
Use boldfont to emphasize these words in your writing (Do not write
definitions for the words; use them appropriately in sentences
describing your math work.):
o Quadratic
o Zero factor
o Pythagorean Theorem
o Compound equation
===============================================
ASHFORD MAT 221 Week 5 DQ 1 Factoring
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20. Factoring
Read the following instructions in order to complete this discussion, and
review the example of how to complete the math required for this
assignment:
On pages 345-6 and 353 of Elementary and Intermediate Algebra, there
are many factoring problems. You will find your assignment in the
following table.
If the 3rd letter of your last name is
On Page 345-6
Do the Following
On Page 353
Do the Following
A or N 80 and 106 68
B or O 72 and 104 38
C or P 98 and 102 64
D or Q 68 and 100 30
E or R 82 and 96 58
F or S 66 and 54 26
G or T 92 and 64 56
H or U 70 and 62 48
I or V 90 and 56 28
J or W 74 and 60 62
K or X 88 and 58 34
21. L or Y 78 and 52 66
M or Z 86 and 76 36
For the problems on page 345-6, factor the polynomials using whatever
strategy seems appropriate. State what methods you will use and then
demonstrate the methods on your problems, explaining the process as
you go. Discuss any particular challenges those particular polynomials
posed for the factoring.
For the problem on page 353 make sure you use the “ac method”
regardless of what the book’s directions say. Show the steps of this
method in your work in a similar manner as how the book shows it in
examples.
Incorporate the following five math vocabulary words into your
discussion. Use bold font to emphasize the words in your writing (Do
not write definitions for the words; use them appropriately in
sentences describing your math work.):
Factor
GCF
Prime factors
Perfect square
Grouping
Your initial post should be 150-250 words in length. Respond to at least
two of your classmates’ posts by Day 7. Make sure you choose people
who don’t have the same numbers as you worked. Do you agree with
how they used the vocabulary? Is their example of polynomial
multiplication suitable as a comparison?
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