# MAT 222 Week 2 Assignment Two-Variable Inequalities.

MAT 222  Week 2 Assignment Two-Variable Inequalities.

MAT 222  Week 2 Assignment Two-Variable Inequalities.

Read the following instructions in order to complete this assignment:

a. Solve problem 68 on page 539 of Elementary and Intermediate Algebra, and make sure to study the given graph. For the purposes of the assignment, it would be helpful to copy the graph onto your own scratch paper.

b. 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:

§ An answer to the three questions asked about given real-world situation.

§ An application of the given situation to the following two scenarios:

o The Burbank Buy More store is going to make an order which will include at most 60 refrigerators. What is the maximum number of TVs which could also be delivered on the same 18-wheeler? Describe the restrictions this would add to the existing graph.

o The next day, the Burbank Buy More decides they will have a television sale so they change their order to include at least 200 TVs. What is the maximum number of refrigerators which could also be delivered in the same truck? Describe the restrictions this would add to the original graph.

c. An incorporation of the following 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.):

§ Solid line        § Dashed line             § Parallel               § Linear inequality         § Test point

# MAT 221 Week 5 DQ1 Factoring

MAT 221 Week 5 DQ1 Factoring

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:

a. 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.

b. 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.

c. 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.

d. 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 in at least a paragraph. Do you agree with how they used the vocabulary? Do their answers make sense?

# MAT 221 Week 5 Assignment Pythagorean Quadratic

MAT 221 Week 5 Assignment 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:

a. 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.

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.

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.

b. 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, 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 bold font to emphasize these words in your writing (Do not write definitions for the words; use them appropriately in sentences describing your math work.):
Zero factor
Pythagorean Theorem
Compound equation

For information regarding APA samples and tutorials, visit the Ashford Writing Center, within the Learning Resources tab on the left navigation toolbar, in your online course.

# MAT 221 Week 4 Assignment Financial Polynomials

MAT 221 Week 4 Assignment Financial Polynomials

Read the following instructions in order to complete this assignment, and review the example of how to complete the math required for this assignment:

a. 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.

Evaluate the polynomial resulting from step 1 using:

P = \$200 and %, and also with
P = \$5670 and %

Complete problem 70 on page 311 of Elementary and Intermediate Algebra. Show all steps of the division.

b. 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 problems, making sure to include all mathematical work and a discussion of how and why this is applicable to your everyday life.

Plan the logic necessary to complete the problem before you begin writing.

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.

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.):

FOIL
Like terms
Descending order
Dividend
Divisor

For information regarding APA samples and tutorials, visit the Ashford Writing Center, within the Learning Resources tab on the left navigation toolbar, in your online course.

# MAT 221 Week 3 Assignment Two-Variable Inequality

MAT 221 Week 3 Assignment Two-Variable Inequality

Read the following instructions in order to complete this assignment, and review the example of how to complete the math required for this assignment :

a. Read problem 46 on page 240 of Elementary and Intermediate Algebra.

Assign a variable to each type of rocker Ozark Furniture makes.

Write a linear inequality which incorporates the given information of total board feet and the board feet required for each type of rocker.
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.

b. 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.

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?

For information regarding APA samples and tutorials, visit the Ashford Writing Center, within the Learning Resources tab on the left navigation toolbar, in your online course.

# MAT 221 Week 2 Assignment Inequalities

MAT 221 Week 2 Assignment Inequalities

Read the following instructions in order to complete this assignment, and review the example of how to complete the math required for this assignment:

a. 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:

17 < BMI < 22 might have a longer life span than average
23 < BMI < 25 probably not overweight
25 < BMI < 29.9 probably overweight
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.
b. 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
A discussion on the computed weight ranges and some reasons why they could be misleading
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.)
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.):
o Inequality
o Equivalent
o Compound inequality
o Interval
o Infinity
For information regarding APA samples and tutorials, visit the Ashford Writing Center, within the Learning Resources tab on the left navigation toolbar, in your online course.

# MAT 221 Week 1 Assignment Simplifying Expressions

MAT 221 Week 1 Assignment Simplifying Expressions

Read the following instructions in order to complete this assignment, and review the example of how to complete the math required for this assignment:

a. 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)

b. 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 Algebra and 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 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, in your online course.

# MAT 126 Week 5 Quiz

MAT 126 Week 5 Quiz

MAT 126 Week 5 Quiz

If a student’s rank in a class of 400 students is 44, find the student’s percentile rank

To select a _________ sample, the population is divided into disjoint subgroups according to some characteristics like income level, and then a few individuals are selected randomly from each of the subgroups to be in the sample

Find the area under the normal distribution curve to the right of z = –3.24

Kate scored in the 95th percentile rank on an exam. If 400 students took the exam, how many students scored lower than Kate?

Find the median and the mean for the data set below.
5.4  2.0  6.8  3.1  2.9  4.7  2.1  5.0  1.9  3.4

For the 20 test scores shown, find the percentile rank for a score of 86.
75 63 92 74 86 50 77 82 98 65 71 89 75 66 87 59 70 83 91 73

Use a scatter plot to deternine the relationship between the x values and the y values

Fran’s percentile rank on an exam in a class of 500 is 85. Kelly’s class rank is 60. Who is ranked higher?

The average hourly wage of employees of a certain company is \$9.83. Assume the variable is normally distributed. If the standard deviation is \$4.58, find the probability that a randomly selected employee earns less than \$5.43

Find the standard deviation.
44 46 33 10 50 27

Which statement is true for a statistical study?

A data set of size 19 has correlation coefficient of r = –0.432. Test the significance of r at the 5% level and at the 1% level.

The area under a normal distribution curve that lies within one standard deviation of the mean is approximately _____.

Find the area under the normal distribution curve between z = 1.52 and z = 2.43.

Find the area under the normal distribution curve between z = –1.34 and z = 2.95

Find the median.
2 27 38 55 49 9 53 34

Find the area under the normal distribution curve to the right of z = –1.03

Find Q1, Q2, and Q3 for the data set below.
5.4  2.0  6.8  3.1  2.9  4.7  2.1  5.0  1.9  3.4

Armia’s percentile rank on an exam in a class of 300 is 85. Sanjo’s class rank is 42. Who is ranked higher?

If a student’s percentile rank in a class of 400 students is 87, find the student’s class rank

# MAT 126 Week 5 Assignment Week Five Written Assignment

MAT 126 Week 5 Assignment Week Five Written Assignment

Following completion of your readings, answer the following two questions from “Chapter 12 Supplement” of Mathematics in Our World.

Select one even problem from exercises 1 through 10 on page 810. Select one even problem from exercises 11 through 22 on pages 811-812.

As you answer the questions above, identify what types of misrepresentation or misuse have been demonstrated by referring to the bold headings in the “Chapter 12 Supplement” (e.g., Suspect Samples, Asking Biased Questions, Misleading Graphs, etc.).

The assignment must include (a) all math work required to answer the problems as well as (b) introduction and conclusion paragraphs.

Your introduction should include three to five sentences of general information about the topic at hand. The body must contain a restatement of the problems and all math work, including the steps and formulas used to solve the problems. Your conclusion must comprise a summary of the problems and the reason you selected a particular method to solve them. It would also be appropriate to include a statement as to what you learned and how you will apply the knowledge gained in this exercise to real-world situations. The assignment must be formatted according the APA (6th edition) style, which includes a title page and reference page. If you would like to refer to APA samples and tutorials, please visit the Ashford Writing Center, located in the left navigation toolbar.

Carefully review the Grading Rubric for the criteria that will be used to evaluate your assignment