INF220 week 1Answers 2Bids 1Other questions 10

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UPS and the Utility of Information SystemsAfter reading chapter one, watch the  video: (Real Media Player can be downloaded for free at www.real.com) and read the additional write-up on page 16 of your text. Answer the questions listed below using APA format. Be sure to integrate vocabulary from the text to demonstrate your understanding of concepts. The paper should not exceed 2 double-spaced pages (excluding title page).United Parcel Service’s operations are driven by its information systems technology. Beginning as a local delivery service in 1907, UPS expanded on the West coast initially, reached New York in the 1930s, and went international in the 1970s. Today, UPS delivers over 14 million packages daily to 200 countries and territories. A $1.5 billion technology investment in the 1980s buoyed the growth of UPS. The investment enabled the development of the International Shipments Processing System (ISPS), which is the key to the company’s overseas operations. The technology infrastructure enables UPS to offer its customers services in addition to the basic shipment of packages. UPS drivers play an important role in the company’s services by capturing information at the endpoints of each delivery segment. Volume, cultural differences, and hardware readiness all impact the development and continued growth of UPS.Describe the external factors that affect the international operations at UPS.Explain how these external factors cause UPS to adjust its operations.Discuss the inputs, processing, and outputs of UPS tracking system.Examine the technologies which are used by UPS. Illustrate how these technologies are related to the business model and business objectives of UPS.Identify the problems that UPS’s information systems need to solveCarefully review the Grading Rubric for the criteria that will be used to evaluate your assignment. Description: Total Possible Score: 10.00 Describes the External Factors Which Affect the International Operations at UPSTotal: 1.80Distinguished – Thoroughly and accurately describes the external factors which affect the international operations at UPS.Proficient – Describes the external factors which affect the international operations at UPS. Minor details are missing or inaccurate.Basic – Somewhat describes the external factors which affect the international operations at UPS. Relevant details are missing and/or inaccurate.Below Expectations – Attempts to describe the external factors which affect the international operations at UPS; however, significant details are missing and inaccurate.Non-Performance – The description of the external factors which affect the international operations at UPS is either nonexistent or lacks the components described in the assignment instructions.  Explains How the External Factors Cause UPS to Adjust its OperationsTotal: 1.80Distinguished – Thoroughly and accurately describes how the external factors cause UPS to adjust its operations.Proficient – Describes how the external factors cause UPS to adjust its operations, but minor details are missing or inaccurate.Basic – Briefly describes how the external factors cause UPS to adjust its operations, but relevant details are missing and/or inaccurate.Below Expectations – Minimally describes how the external factors cause UPS to adjust its operations and significant details are missing and inaccurate.Non-Performance – The description of how the external factors cause UPS to adjust its operations is either nonexistent or lacks the components described in the assignment instructions.  Discusses the Inputs, Processing, and Outputs of UPS Tracking SystemTotal: 1.80Distinguished – Clearly and comprehensively discusses the inputs, processing, and outputs of UPS tracking system.Proficient – Discusses the inputs, processing, and outputs of UPS tracking system. Minor details are missing or unclear.Basic – Partially discusses the inputs, processing, and outputs of UPS tracking system. Relevant details are missing and/or unclear.Below Expectations – Attempts to discuss the inputs, processing, and outputs of UPS tracking system; however, significant details are missing and unclear.Non-Performance – The discussion of the inputs, processing, and outputs of UPS tracking system is either nonexistent or lacks the components described in the assignment instructions.  Examines the Technologies Which are Used by UPS and Illustrates How These Technologies are Related to the Business Model and Business Objectives of UPSTotal: 1.80Distinguished – Accurately examines the technologies which are used by UPS and illustrates how these technologies are related to the business model and business objectives of UPS.Proficient – Examines the technologies which are used by UPS and illustrates how these technologies are related to the business model and business objectives of UPS. Minor details are missing or inaccurate.Basic – Briefly examines the technologies which are used by UPS and illustrates how these technologies are related to the business model and business objectives of UPS. Relevant details are missing and/or inaccurate.Below Expectations – Minimally examines the technologies which are used by UPS and illustrates how the technologies are related to the business model and business objectives of UPS. Significant details are missing and inaccurate.Non-Performance – The examination of the technologies which are used by UPS and illustration of how these technologies are related to the business model and business objectives of UPS is either nonexistent or lacks the components described in the assignment instructions.  Identifies the Problems That UPS’s Information Systems Need to SolveTotal: 1.80Distinguished – Accurately and completely identifies the problems that UPS’s information systems need to solve.Proficient – Identifies the problems that UPS’s information systems need to solve, but minor details are missing or inaccurate.Basic – Briefly identifies the problems that UPS’s information systems need to solve, but relevant details are missing and/or inaccurate.Below Expectations – Minimally identifies the problems that UPS’s information systems need to solve and significant details are missing and inaccurate.Non-Performance – The identification of the problems that UPS’s information systems need to solve is either nonexistent or lacks the components described in the assignment instructions.  Reading: ComprehensionTotal: 0.20Distinguished – Distinguishes probable implications of the text for contexts, perspectives, or issues outside the assigned task or beyond the author’s explicit message.Proficient – Uses the text and/or specific knowledge of the author’s context to draw more intricate inferences about the author’s message and approach.Basic – Considers how textual features (e.g., sentence and paragraph structure or tone) contribute to the author’s message. Draws fundamental inferences about context and rationale of text.Below Expectations – Inadequately captures vocabulary but makes an effort to paraphrase or summarize the information the text communicates.Non-Performance – The assignment is either nonexistent or lacks the components described in the instructions.  Integrative Learning: Integrated CommunicationTotal: 0.30Distinguished – Utilizes a format, language, or graph (or other visual representation) in ways that enhance comprehension, while making clear the interdependence of language and meaning, thought, and expression.Proficient – Utilizes a format, language, or graph (or other visual representation) to correlate content and form, demonstrating an awareness of purpose and audience.Basic – Utilizes a format, language, or graph (or other visual representation) that correlates what is being communicated.Below Expectations – Utilizes a format, language, or graph (or other visual representation) that is appropriate, but may be incomplete or contain inaccuracies.Non-Performance – The assignment is either nonexistent or lacks the components described in the instructions.  Written Communication: APA FormattingTotal: 0.13Distinguished – Accurately uses APA formatting consistently throughout the paper, title page, and reference page.Proficient – Exhibits APA formatting throughout the paper. However, layout contains a few minor errors. Basic – Exhibits limited knowledge of APA formatting throughout the paper. However, layout does not meet all APA requirements. Below Expectations – Fails to exhibit basic knowledge of APA formatting. There are frequent errors, making the layout difficult to distinguish as APA.Non-Performance – The assignment is either nonexistent or lacks the components described in the instructions.  Written Communication: Control of Syntax and MechanicsTotal: 0.13Distinguished – Displays meticulous comprehension and organization of syntax and mechanics, such as spelling and grammar. Written work contains no errors and is very easy to understand.Proficient – Displays comprehension and organization of syntax and mechanics, such as spelling and grammar. Written work contains only a few minor errors and is mostly easy to understand.Basic – Displays basic comprehension of syntax and mechanics, such as spelling and grammar. Written work contains a few errors which may slightly distract the reader.Below Expectations – Fails to display basic comprehension of syntax or mechanics, such as spelling and grammar. Written work contains major errors which distract the reader.Non-Performance – The assignment is either nonexistent or lacks the components described in the instructions.  Written Communication: Resource RequirementTotal: 0.12Distinguished – Uses more than the required number of scholarly sources, providing compelling evidence to support ideas. All sources on the reference page are used and cited correctly within the body of the assignment.Proficient – Uses the required number of scholarly sources to support ideas. All sources on the reference page are used and cited correctly within the body of the assignment.Basic – Uses less than the required number of sources to support ideas. Some sources may not be scholarly. Most sources on the reference page are used within the body of the assignment. Citations may not be formatted correctly.Below Expectations – Uses an inadequate number of sources that provide little or no support for ideas. Sources used may not be scholarly. Most sources on the reference page are not used within the body of the assignment. Citations are not formatted correctly.Non-Performance – The assignment is either nonexistent or lacks the components described in the instructions.  Written Communication: Page RequirementTotal: 0.12Distinguished – The length of the paper is equivalent to the required number of correctly formatted pages. Proficient – The length of the paper is nearly equivalent to the required number of correctly formatted pages. Basic – The length of the paper is equivalent to at least three quarters of the required number of correctly formatted pages.Below Expectations – The length of the paper is equivalent to at least one half of the required number of correctly formatted pages.   Non-Performance – The assignment is either nonexistent or lacks the components described in the instructions.

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Mt3550 class work for Examplary_Professor001Answers 0Bids 0Other questions 10

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Discussion 6: Borrowing from Friends and Family                         Must post first.                    Discuss the pros and cons of borrowing from friends and family for your business venture.  Be sure to detail some of the complications of borrowing from “family” as opposed to traditional lending sources such as banks and credit unions. Discussion 7: Newberry Comics                                               Research Newbury Comics online. This company operates in multiple states, but started off as a single store in Boston.  What were some of the cross-jurisdictional legal issues that arose?  How did the company handle complaints about products that were sold?  They did not have staff attorneys; as a result they utilized outside counsel on a retainer basis to address such issues as employment law, vendor, customer, and product issues. Discuss what they did wrong and what they could have improved upon. Discussion 8: Hiring and Labor Practices                                                 Search the internet to identify an organization that has faced legal challenges alleging non-compliance in hiring practices in one or more of the following: Americans with Disabilities Act, Affirmative Action, Age Discrimination, etc. Summarize the issues and current status of the case and discuss how, as a supervisory and hiring authority for the organization, you would have been instrumental in avoiding legal challenges. Cite the URL for the article so students can review. Discussion 9: Ethics                         After viewing the NBC Video: Goldman Sachs Gets Grilled, discuss whether or not Goldman Sachs followed ethical principles for its clients in dealing with the mortgage crisis and economic implications of their actions.  When reviewing the Ethical Principles for Entrepreneurs in Figure 12.6 of Chapter 12,  determine if Goldman Sachs follow these principles. Which ones did they violate? Discussion 10: Franchise Opportunities                                                 After reviewing the websites from the Learning Activities page for LP10 (#5) on franchise opportunities, summarize your insights and franchise research, and answer the following questions with a recap of your summary on the discussion board. Be sure to identify the franchise you researched in the discussion post.Identify one franchise opportunity that you would consider, and answer the following questions:What attracts you to the idea of franchising?Are opportunities in franchising comparable to starting a business from scratch? What are the pros and cons?What are the long-term prospects for owning the franchise you researched? Can you make an equivalent amount of net income compared to starting your own business?LP5 Assignment: Calculating Financial RatiosBusiness is a numbers game, and survival in the marketplace depends on having the right numbers in black ink. It is necessary to compare your venture to other businesses in your industry by calculating key financial ratios. Review the financial ratios in Figure 8.10 in Chapter 8 of your text.Go to BizStats by BizMiner and select “Financial Benchmark Reports” – Select “Sole Proprietorship” or “Corporation” or “S Corp” – Select your Industry (for example, Retail – food & beverage), then you will see various business statistics and financial ratios. Look at the Industry Financial Ratios for your industry at the bottom, and recap this specific information in a 1-2 page paper including the industry you chose.Submit this assignment to your instructor via the dropbox “LP5 Assignment: Calculating Financial Ratios.” This assignment is worth 75 points.*Note: The research compiled for this assignment will be utilized in a future class. Also, submit your assignment to the Locker. Go to My Home – My Tools – Locker – upload files.LP6 Assignment: Research SBA Programs Directions: Write a one to two page paper researching SBA Loan programs at the Small Business Administration’s website. Also, contact the SBDC (Small Business Development Center) in your area to see what support services are offered for entrepreneurs as well as financing options through the SBA.Submit this assignment to your instructor via the dropbox “LP6 Assignment: Research SBA Programs.” This assignment is worth 75 points. LP7 Assignment: Family BusinessDirections: Going into business with a family member makes up a major portion of new businesses launched every year. However, family businesses present unique challenges for start-ups. It is important to ensure you have established the best business entity and reviewed appropriate resources before forging into a family business venture.Research in your own community those types of businesses that are family-owned. Categorize the most common business opportunity (e.g., car dealerships, restaurants, real estate firms, accounting firm, etc) in regard to industry and the legal form chosen for this business. Review the following websites on family businesses: Resources – Family Businesses.Write a one to two page paper defining keys to success and considerations for building a family business. Also compare the choice of business entities and identify the best legal form for your business based on your research in the community.Submit this assignment to your instructor via the dropbox “LP7 Assignment: Family Business.” This assignment is worth 75 points.LP8 Assignment: Human Resource Policies Directions: Even small businesses should develop personnel policies to cover hiring, firing, and managing employees. This manual can assist in avoiding legal trouble with employees as well.A source that assists in the development of policies and procedures can be found at Nolo – Law for All sponsored by Nolo. Another source that allows you to develop policies using online software is located at HR Tools hosted by Insperity.Also review the Business Owner’s Toolkit by BizFilings for information on policies regarding employees. (Go to People Who Work for You – review Recruiting and Hiring, Benefits, rules, motivating, disciplining, terminating.) Additional websites to review for Labor Law Compliance: Go to Resources – Human Resources: Labor Law Compliance. After reviewing these sources, prepare your policies in one to two pages that would address the following for your employees:Guidelines regarding hiring practices including interviewing prospective employeesBackground screeningHow to apply labor law compliance in hiring practicesSubmit this assignment to your instructor via the dropbox “LP8 Assignment: Human Resource Policies.” This assignment is worth 75 points. LP9 Assignment: The Small Business Owner’s Tax Compliance What are the laws when it comes to taxes? What forms do I have to fill out? The Internal Revenue Service publishes a “Tax Guide for Small Businesses” which can be reviewed at the IRS website. Make a list of any questions you might have.Also review the websites at the Business Owner’s Toolkit by BizFilings (look at Controlling Your Taxes) and Internal Revenue Service’s Small Business Taxes & Management (IRS regulation updates).Review the tax material provided in Chapter 12. Make a list of all tax forms you will need and print them out. Read through the IRS Small Business Tax Guide. Make a list of any questions you might have and any tax forms needed. Recap your findings in a one to two page paper addressing the necessity of good record keeping and compliance with tax regulations.Submit this assignment to your instructor via the dropbox “LP9 Assignment: The Small Business Owner’s Tax Compliance.” This assignment is worth 75 points. LP10 Assignment: ABC Sporting Goods ABC Sporting GoodsExamining the asking price of a business includes reviewing all past records and assessing the future financial outlook for the business, the economy, and the industry. You are buying the future not the past.Critical Assumptions for ABC Sporting Goods:ABC Sporting Goods is a small business, operating as a corporation.ABC has been in business for 15 years.The owner draws a salary listed under officers’ compensation.The store has been in the same location for the past seven years and has a Triple Net Lease (i.e. pay real estate taxes, building insurance, and maintenance).Sales decreased slightly in the past two years, but the company has tried to maintain market share by lowering their prices. This has impacted both gross and net profit.The owner wishes to sell his business and retire. The stress of running the business for the last 15 years, for 10 or 12 hours a day has begun to impact his health.The owner feels that the business has a good reputation with many loyal customers.He believes the business should be valued at $750,000.Review attached spreadsheet for Financial Information on ABC Sporting Goods: Profit & LossDirections:Part I. Complete the following ratio analysis for ABC sporting Goods.Utilize:  BizStats at http://www.BizStats.comGo to Industry Financials on the Blue Navigation BarSelect – Corporations 249 not Sole Proprietorships 141Select Retail TradeSelect Sporting good – Hobby book – MusicCalculate the following ratios: (Based on the last 3 year average)Return on sales (net profit divided by gross revenues)Return on assetsReturn on net worthQuick ratioCurrent ratioInventory turnover (gross sales divided by inventory)Assets to sales ratioTotal liabilities to net worthCompare these ratios to those found in BizStats. Comment on any differences and how they impact the value of the business. Identify any significant trends in the business.Part II. Estimate the business value using BizStats – Valuation Rule for Sporting Goods Stores at BizStats.Under reports/valuation/valuation-rule-thumb.phpAdjust the business valuation based on your completed calculation and the ratio and trend analysis performed in step I.Part III. Calculate the viability of purchasing the business based on the following parameters:You can finance the business for 20% down with an interest rate of 5%, amortization over 20 years. Use the following formula:Purchase price $100,000, down payment 20% or $20,000 which results in $80,000 being financed.  For $1,000 financed at 5%, the factor to calculate your monthly payment is .66x for every $100 borrowed. That equals $66/month or $792/year. We now can calculate the free cash flow available to pay the loan amount. We can use the following formula:Net Profit+interest paid (use previous years amount from P&L)+Depreciation and amortization= Cash flowFor example, if we have $10,000 for our cash flow and our payments are $528 x 12 months = $6,336; then to calculate our DSC or debt service coverage ratio, we divide the Cash flow by the annual debt service or $10,000 / $6,336 =1.58x. If we borrowed $400,000 our monthly payment is $2,640 or $31,680 and if our cash flow is $100,000 then the DSC is 3.16x. Anything greater than 1.20 is considered to be adequate. Comment on the result.Submit this assignment to your instructor via the dropbox “LP10 Assignment: ABC Sporting Goods.

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College AlgebraAnswers 3Bids 1Other questions 10

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Hello,The current answers are incorrect and I need the corrected answers. Thanks, 1. Solve the following system of equations using matrices. Use Gaussian elimination with back substitution or Gauss-Jordan elimination.x – 2y + z = 0  y – 3z = -1  2y + 5z = -2   [removed] A. {(-1, -2, 0)} [removed] B. {(-2, -1, 0)} [removed] C. {(-5, -3, 0)} [removed] D. {(-3, 0, 0)}  2. Solve the following system of equations using matrices. Use Gaussian elimination with back substitution or Gauss-Jordan elimination. 2x – y – z = 4  x + y – 5z = -4  x – 2y = 4   [removed] A. {(2, -1, 1)} [removed] B. {(-2, -3, 0)} [removed] C. {(3, -1, 2)} [removed] D. {(3, -1, 0)}      3. Find the products AB and BA to determine whether B is the multiplicative inverse of A. A =0 0 11 0   00 1   0 B =0 1 00 0   11 0   0   [removed] A. AB = I; BA = I3; B = A [removed] B. AB = I3; BA = I3; B = A-1 [removed] C. AB = I; AB = I3; B = A-1 [removed] D. AB = I3; BA = I3; A = B-1  4. Use Cramer’s Rule to solve the following system.2x = 3y + 2  5x = 51 – 4y   [removed] A. {(8, 2)} [removed] B. {(3, -4)} [removed] C. {(2, 5)} [removed] D. {(7, 4)} 5. Use Gaussian elimination to find the complete solution to the following system of equations, or show that none exists. 2w + x – y = 3  w – 3x + 2y = -4  3w + x – 3y + z = 1  w + 2x – 4y – z = -2   [removed] A. {(1, 3, 2, 1)} [removed] B. {(1, 4, 3, -1)} [removed] C. {(1, 5, 1, 1)} [removed] D. {(-1, 2, -2, 1)}    6. Solve the following system of equations using matrices. Use Gaussian elimination with back substitution or Gauss-Jordan elimination. x + 2y = z – 1  x = 4 + y – z  x + y – 3z = -2   [removed] A. {(3, -1, 0)} [removed] B. {(2, -1, 0)} [removed] C. {(3, -2, 1)} [removed] D. {(2, -1, 1)}  7. Use Gauss-Jordan elimination to solve the system.-x – y – z = 1  4x + 5y = 0  y – 3z = 0   [removed] A. {(14, -10, -3)} [removed] B. {(10, -2, -6)} [removed] C. {(15, -12, -4)} [removed] D. {(11, -13, -4)}  8. Use Gaussian elimination to find the complete solution to the following system of equations, or show that none exists. w – 2x – y – 3z = -9  w + x – y = 0  3w + 4x + z = 6  2x – 2y + z = 3   [removed] A. {(-1, 2, 1, 1)} [removed] B. {(-2, 2, 0, 1)} [removed] C. {(0, 1, 1, 3)} [removed] D. {(-1, 2, 1, 1)}  9. Use Gaussian elimination to find the complete solution to the following system of equations, or show that none exists. 8x + 5y + 11z = 30  -x – 4y + 2z = 3  2x – y + 5z = 12   [removed] A. {(3 – 3t, 2 + t, t)} [removed] B. {(6 – 3t, 2 + t, t)} [removed] C. {(5 – 2t, -2 + t, t)} [removed] D. {(2 – 1t, -4 + t, t)}  10. Solve the following system of equations using matrices. Use Gaussian elimination with back substitution or Gauss-Jordan elimination. x + y + z = 4  x – y – z = 0  x – y + z = 2   [removed] A. {(3, 1, 0)} [removed] B. {(2, 1, 1)} [removed] C. {(4, 2, 1)} [removed] D. {(2, 1, 0)}  11. Use Cramer’s Rule to solve the following system.  x + y = 7  x – y = 3   [removed] A. {(7, 2)} [removed] B. {(8, -2)} [removed] C. {(5, 2)} [removed] D. {(9, 3)}  12. Solve the following system of equations using matrices. Use Gaussian elimination with back substitution or Gauss-Jordan elimination.  3×1 + 5×2 – 8×3 + 5×4 = -8  x1 + 2×2 – 3×3 + x4 = -7  2×1 + 3×2 – 7×3 + 3×4 = -11  4×1 + 8×2 – 10×3+ 7×4 = -10   [removed] A. {(1, -5, 3, 4)} [removed] B. {(2, -1, 3, 5)} [removed] C. {(1, 2, 3, 3)} [removed] D. {(2, -2, 3, 4)}  13. Use Cramer’s Rule to solve the following system.  4x – 5y = 17  2x + 3y = 3   [removed] A. {(3, -1)} [removed] B. {(2, -1)} [removed] C. {(3, -7)} [removed] D. {(2, 0)}  14. Use Gaussian elimination to find the complete solution to each system.x – 3y + z = 1  -2x + y + 3z = -7  x – 4y + 2z = 0   [removed] A. {(2t + 4, t + 1, t)} [removed] B. {(2t + 5, t + 2, t)} [removed] C. {(1t + 3, t + 2, t)} [removed] D. {(3t + 3, t + 1, t)}  15. Use Gaussian elimination to find the complete solution to the following system of equations, or show that none exists. 5x + 8y – 6z = 14  3x + 4y – 2z = 8  x + 2y – 2z = 3   [removed] A. {(-4t + 2, 2t + 1/2, t)} [removed] B. {(-3t + 1, 5t + 1/3, t)} [removed] C. {(2t + -2, t + 1/2, t)} [removed] D. {(-2t + 2, 2t + 1/2, t)}  16. Solve the system using the inverse that is given for the coefficient matrix.2x + 6y + 6z = 8 2x + 7y + 6z =10 2x + 7y + 7z = 9 The inverse of:2 2 2  6 7 7  6 6 7 is7/2 -1 0  0 1 -1  -3 0 1   [removed] A. {(1, 2, -1)} [removed] B. {(2, 1, -1)} [removed] C. {(1, 2, 0)} [removed] D. {(1, 3, -1)}  17. Use Cramer’s Rule to solve the following system.4x – 5y – 6z = -1  x – 2y – 5z = -12  2x – y = 7   [removed] A. {(2, -3, 4)} [removed] B. {(5, -7, 4)} [removed] C. {(3, -3, 3)} [removed] D. {(1, -3, 5)}  18. Find the solution set for each system by finding points of intersection.x2 + y2 = 1  x2 + 9y = 9   [removed] A. {(0, -2), (0, 4)} [removed] B. {(0, -2), (0, 1)} [removed] C. {(0, -3), (0, 1)} [removed] D. {(0, -1), (0, 1)}   19. Find the standard form of the equation of the ellipse satisfying the given conditions. Endpoints of major axis: (7, 9) and (7, 3)  Endpoints of minor axis: (5, 6) and (9, 6)  [removed] A. (x – 7)2/6 + (y – 6)2/7 = 1 [removed] B. (x – 7)2/5 + (y – 6)2/6 = 1 [removed] C. (x – 7)2/4 + (y – 6)2/9 = 1 [removed] D. (x – 5)2/4 + (y – 4)2/9 = 1   20. Find the vertex, focus, and directrix of each parabola with the given equation. (x + 1)2 = -8(y + 1)  [removed] A. Vertex: (-1, -2); focus: (-1, -2); directrix: y = 1 [removed] B. Vertex: (-1, -1); focus: (-1, -3); directrix: y = 1 [removed] C. Vertex: (-3, -1); focus: (-2, -3); directrix: y = 1 [removed] D. Vertex: (-4, -1); focus: (-2, -3); directrix: y = 1  21. Find the vertex, focus, and directrix of each parabola with the given equation. (x + 1)2 = -8(y + 1)  [removed] A. Vertex: (-1, -2); focus: (-1, -2); directrix: y = 1 [removed] B. Vertex: (-1, -1); focus: (-1, -3); directrix: y = 1 [removed] C. Vertex: (-3, -1); focus: (-2, -3); directrix: y = 1 [removed] D. Vertex: (-4, -1); focus: (-2, -3); directrix: y = 1  22. Find the standard form of the equation of each hyperbola satisfying the given conditions. Foci: (-4, 0), (4, 0) Vertices: (-3, 0), (3, 0)  [removed] A. x2/4 – y2/6 = 1 [removed] B. x2/6 – y2/7 = 1 [removed] C. x2/6 – y2/7 = 1 [removed] D. x2/9 – y2/7 = 1  23. Locate the foci of the ellipse of the following equation. x2/16 + y2/4 = 1  [removed] A. Foci at (-2√3, 0) and (2√3, 0) [removed] B. Foci at (5√3, 0) and (2√3, 0) [removed] C. Foci at (-2√3, 0) and (5√3, 0) [removed] D. Foci at (-7√2, 0) and (5√2, 0)  24. Locate the foci and find the equations of the asymptotes.   x2/9 – y2/25 = 1  [removed] A. Foci: ({±√36, 0) ;asymptotes: y = ±5/3x [removed] B. Foci: ({±√38, 0) ;asymptotes: y = ±5/3x [removed] C. Foci: ({±√34, 0) ;asymptotes: y = ±5/3x [removed] D. Foci: ({±√54, 0) ;asymptotes: y = ±6/3x  25. Find the standard form of the equation of each hyperbola satisfying the given conditions. Foci: (0, -3), (0, 3) Vertices: (0, -1), (0, 1)  [removed] A. y2 – x2/4 = 0 [removed] B. y2 – x2/8 = 1 [removed] C. y2 – x2/3 = 1 [removed] D. y2 – x2/2 = 0  26. Convert each equation to standard form by completing the square on x and y. 4×2 + y2 + 16x – 6y – 39 = 0  [removed] A. (x + 2)2/4 + (y – 3)2/39 = 1 [removed] B. (x + 2)2/39 + (y – 4)2/64 = 1 [removed] C. (x + 2)2/16 + (y – 3)2/64 = 1 [removed] D. (x + 2)2/6 + (y – 3)2/4 = 1  27. Find the standard form of the equation of the following ellipse satisfying the given conditions.  Foci: (-5, 0), (5, 0) Vertices: (-8, 0), (8, 0)  [removed] A. x2/49 + y2/ 25 = 1 [removed] B. x2/64 + y2/39 = 1 [removed] C. x2/56 + y2/29 = 1 [removed] D. x2/36 + y2/27 = 1  28. Find the focus and directrix of each parabola with the given equation. x2 = -4y  [removed] A. Focus: (0, -1), directrix: y = 1 [removed] B. Focus: (0, -2), directrix: y = 1 [removed] C. Focus: (0, -4), directrix: y = 1 [removed] D. Focus: (0, -1), directrix: y = 2  29. Find the vertex, focus, and directrix of each parabola with the given equation. (y + 1)2 = -8x  [removed] A. Vertex: (0, -1); focus: (-2, -1); directrix: x = 2 [removed] B. Vertex: (0, -1); focus: (-3, -1); directrix: x = 3 [removed] C. Vertex: (0, -1); focus: (2, -1); directrix: x = 1 [removed] D. Vertex: (0, -3); focus: (-2, -1); directr

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Case and Discussion: Headache

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A 35-year-old woman comes to your office to discuss her “bad headaches,” which started after having her first child 2 years ago. The headaches sometimes awaken her from sleep and at times can be disabling and occasionally require her to take Tylenol and rest in a dark room. Sometimes she vomits during an attack. Over the past 6 months, her headaches have become more severe and frequent, prompting her visit today.

What additional questions would you ask to learn more about her headaches?
How do you classify headaches?
How can you determine if this is an old headache or a new headache/s? Is this a chronic or episodic condition?
Can you make a definite diagnosis through an open-ended history followed by focused questions?
How can you use the patient history to distinguish between benign headaches and serious ones that require urgent attention?
What diagnostic tests do you want to include to help you with your diagnosis?
Create a differential diagnosis flow sheet for this patient for this patient and include the diagnostics related to the differentials.

Sample Solution

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