Answers To Homework On Mymathlab Blinn

Unformatted text preview: Concourse | Mathematics for Business & Social Sciences I (Finite Mathematics) Page 1 of 13 BLINN COLLEGE • BRYAN • MATHEMATICS AND ENGINEERING • MATHEMATICS - MATH MATHEMATICS FOR BUSINESS & SOCIAL SCIENCES I (FINITE MATHEMATICS) MATH-1324 Fall 2015 Section SECTION_373 CRN-13547 3 Credits 08/31/2015 to 12/17/2015 Modified 08/28/2015 MEETING TIMES Tuesday, Thursday, 7:05 PM to 8:20 PM, L247 CONTACT INFORMATION Mark Lane Email: [email protected] (mailto:[email protected]) Office: L232 Phone: 979-209-7663 Office Hours: Monday, Wednesday, 12:20 PM to 1:20 PM, L232 Monday, Wednesday, 4:15 PM to 5:15 PM, L232 Tuesday, Thursday, 3:30 PM to 4:30 PM, Math Tutoring Center L248 Tuesday, Thursday, 4:30 PM to 5:30 PM, L232 DESCRIPTION 8/28/2015 Concourse | Mathematics for Business & Social Sciences I (Finite Mathematics) Page 2 of 13 Mathematics for Business & Social Sciences is the application of common algebraic functions, including polynomial, exponential, logarithmic, and rational, to problems in business, economics, and the social sciences. The applications include mathematics of finance, including simple and compound interest and annuities; systems of linear equations; matrices; linear programming; and probability, including expected value. 3 lecture hours per week; 48 total contact hours. Credit: 3 semester hours. Requisites Prerequisite: MATH 1314 or MATH 1325 (or MATH 2412 or higher) or equivalent with a grade of “C” or better; or a college ready TSIA math score or TSIA exemption; or an appropriate score on an approved placement test. Corequisites: None CORE CURRICULUM STATEMENT Through the Texas Core Curriculum, students will gain a foundation of knowledge in human cultures and the physical and natural world, develop principles of personal and social responsibility for living in a diverse world, and advance intellectual and practical skills that are essential for all learning. For details relating to this core course, please see: ( OUTCOMES 1. The students will be able to apply elementary functions, including linear, quadratic, polynomial, rational, logarithmic, and exponential functions to solving real-world problems. 2. The students will be able to solve mathematics of finance problems, including the computation of interest, annuities, and amortization of loans. 3. The students will be able to apply basic matrix operations, including linear programming methods, to solve application problems. 4. The students will be able to demonstrate fundamental probability techniques and application of those techniques, including expected value, to solve problems. 5. The students will be able to apply matrix skills and probability analyses to model applications to solve real-world problems. MATERIALS 8/28/2015 Concourse | Mathematics for Business & Social Sciences I (Finite Mathematics) Page 3 of 13 Bryan Campus Textbook: Lial, Greenwell, and Ritchey (2012). Finite Mathematics and Calculus with Applications (9th ed.) with MyLabsPlus. Pearson/Addison-Wesley. Calculator Policy: A graphing calculator will be required in this course and a TI-83/84 is strongly recommended. The type of calculator allowed and the use of a calculator on any assignment in this class may be restricted. This includes both in class and out of class assignments, such as, but not limited to homework, projects, quizzes, and exams. Calculators capable of symbolic manipulation, such as TI-89, TI-92, HP-48 models, and Nspire CAS models, are not allowed. Additionally, cell phones, computers, and PDA’s cannot be used as calculators. Students are responsible for learning how to operate their calculators. COURSE REQUIREMENTS The student should maintain at least a 70% average on all course work covering matrices, systems of linear equations, linear programming, mathematics of finance, sets, probability and statistics. EVALUATION Criteria • Type Weight Tests 50 MyMathLab Homework 15 Quizzes 10 Book Homework 5 Final Exam 20 Scale 90-100 A 80-89 B 70-79 C 60-69 D 8/28/2015 Concourse | Mathematics for Business & Social Sciences I (Finite Mathematics) 0-59 Page 4 of 13 F BLINN COLLEGE POLICIES Blinn College policies on civility, class attendance; scholastic integrity; students with disabilities; final grade appeals; and electronic devices as stated in the Blinn College Faculty Handbook, Blinn College Catalog and specific technical program handbooks. All policies, guidelines and procedures in the Faculty Handbook, the Board Policy and Administrative Procedure Manuals are applicable to this course. Civility Statement Members of the Blinn College community, which includes faculty, staff and students, are expected to act honestly and responsibly in all aspects of campus life. Blinn College holds all members accountable for their actions and words. Therefore, all members should commit themselves to behave in a manner that recognizes personal respect and demonstrates concern for the personal dignity, rights, and freedoms of every member of the College community, including respect for College property and the physical and intellectual property of others. Civility Notification Statement. If a student is asked to leave the classroom because of uncivil behavior, the student may not return to that class until the student arranges a conference with the instructor; it is the student’s responsibility to arrange for this conference. This statement reflects step one in a possible four step process. The Incivility Protocol is detailed in the Blinn College Administrative Procedure Manual ( Attendance Policy The College District believes that class attendance is essential for student success; therefore, students are required to promptly and regularly attend all their classes. The faculty shall require students to regularly attend class and shall keep a record of attendance from the first day of classes and/or the first day the student’s name appears on the roster through final examinations. If a student has one week’s worth of unexcused absences during the semester, he or she will be sent an e-mail by the College District requiring the student to contact his or her instructor and schedule a conference immediately to discuss his or her attendance issues. Should the student accumulate two weeks’ worth of unexcused absences, he or she will be administratively withdrawn from class. There are four forms of excused absences recognized by the institution: 1. observance of religious holy days—The student should notify his or her instructor(s) not later than the 15th day of the semester concerning the specific date(s) that the student will be absent for any religious holy day(s); 2. representing the College District at an official institutional function-If a student is asked by the College District to be an official representative of the College District at any function 8/28/2015 Concourse | Mathematics for Business & Social Sciences I (Finite Mathematics) Page 5 of 13 approved by the institution, the student shall be excused from any classes missed and must be allowed to complete all work without penalty for that absence(s) in a timely manner as directed by the faculty member; 3. a high school student representing the independent school district at an official institutional function- If a high school student is asked by the independent school district to be an official representative of the school district at any function approved by the institution, the student shall be excused from any class missed and must be allowed to complete all work without penalty for the absence(s) in a timely manner as directed by the faculty member; and 4. military service- If a student can prove he or she is serving on active duty to which he or she is called with the Armed Forces of the United States, the student shall be excused from attending classes and allowed to complete an assignment or take and examination from which the student is excused within a reasonable time after the absence. Other absences may be excused at the discretion of the faculty member. A student enrolled in a developmental course is subject to College District-mandated attendance policies. Failure to attend developmental classes shall result in removal from the course as defined by the College District. Board Policy FC (LOCAL) ( (LOCAL).pdf) It is the student’s responsibility to officially drop a class he or she is no longer attending. More information on drop limits and withdrawing can be found in the Blinn College Catalog ( The last day to drop with a Q is according to the Academic Calendar ( Scholastic Integrity Blinn College does not tolerate cheating, plagiarism, or any other act of dishonesty with regard to the course in which you are enrolled. The following text defines the faculty member’s responsibility with regard to the scholastic integrity expectation for this and all courses at Blinn College. In a case of scholastic dishonesty, it is critical that written documentation be maintained at each level throughout the process. It is the responsibility of faculty members to maintain scholastic integrity at the College District by refusing to tolerate any form of scholastic dishonesty. Adequate control of test materials, strict supervision during testing, and other preventive measures should be utilized, as necessary, to prevent cheating or plagiarism. If there is compelling evidence that a student is involved in cheating or plagiarism, the instructor should assume responsibility and address the infraction. Likewise, any student accused of scholastic dishonesty is entitled to due process to resolve the allegation as outlined in Blinn College Board Policy FLDB (Local ( filename=FLDB(LOCAL).pdf)) ( (LOCAL).pdf). The Scholastic Integrity Policy is located in the Blinn College Catalog ( 8/28/2015 Concourse | Mathematics for Business & Social Sciences I (Finite Mathematics) Page 6 of 13 Students with Disabilities Non-Discrimination Statement Blinn College does not discriminate against qualified individuals with disabilities in the recruitment and admission of students, the recruitment and employment of faculty and staff, or the operation of any of its programs and activities, as specified by applicable federal laws and regulations. The designated coordinator for Blinn College’s compliance with Section 504 of the Rehabilitation Act of 1973, the Americans with Disabilities Act of 1990 (ADA), and the Americans with Disabilities Act Amendment Act (ADAAA) is Patricia E. Moran, M.Ed., 902 College Avenue, Brenham, TX 77833, (979) 830-4157 . Students should make arrangements for disability service directly with each campus on which they attend classes. Students enrolled on the Brenham, Schulenburg, and Sealy campuses should contact (979) 830-4157 for more information. Students on the Bryan Campus should contact (979) 209-7264 . The College’s facilities are accessible to students and visitors with disabilities. Designated parking spaces, ramps, handicapped restroom facilities, elevators, and assistance from College employees are readily available on all campuses. The College’s faculty and staff work closely with students with disabilities to meet their individual needs. Services for Students with Documented Disabilities Students with documented disabilities must self-identify and provide current, appropriate documentation of the disability to the Office of Disability Services (ODS) prior to receiving services. Students are encouraged to contact this office as early as possible to initiate services. Direct services to students with disabilities are provided in the following areas: • Assessment of needs and appropriate services • Provision of classroom and testing accommodations • Assistance in orientation and registration procedures • Counseling on disability related issues Information, education, referrals, and consultation about specific disabilities are available to interested parties on request. For answers to specific questions or to request an information packet, contact the Office of Disability Services ( on the specific campus you will be attending. Bryan Campus: (979) 209-7251 ; Brenham, Sealy, Schulenburg Campuses: (979) 830-4157 Final Grade Appeal If a student wishes to appeal a final grade in a course, Blinn College Board Policy FLDB (Local ( (, Course Grade Complaints, outlines the timeline and steps for appeal. This policy is located in the Blinn College Catalog ( 8/28/2015 Concourse | Mathematics for Business & Social Sciences I (Finite Mathematics) Page 7 of 13 Electronic Devices Cellular telephones and beepers/pagers must be disengaged while the student is in the Blinn College Library or any classroom/lab, unless otherwise instructed. Any noncompliance with this policy shall be addressed in accordance with the Blinn College Administrative Procedure Manual- Incivility Protocol ( COURSE POLICIES Attendance Policy A student will be withdrawn from the course if the student misses four days of classes due to unexcused absences. If a student is less than 20 minutes late to class, this counts as a tardy. An accumulation of three tardies equals one absence. If a student is more than 20 minutes late to class, this counts as an unexcused absence. If a student leaves class for any reason during the lecture, this counts as an unexcused absence. Quizzes All quizzes will be taken from sections completed in class since your most recent quiz or test and will be completed outside of class. Take home quizzes are available on eCampus under the Content tab. You will need to print and complete the quiz and bring it to class by the due date. You are responsible to check on eCampus for due dates for take home quizzes. Generally, there will be a quiz due once a week. Quizzes are due at the BEGINNING of class. If class starts at 2:50pm, then quizzes are late after 2:49:59pm. No late quizzes will be accepted for any unexcused absence. A student can turn in a quiz early to my office or by scanning and emailing an attachment of the quiz if a student knows he or she will not be able to turn in the quiz during class. If a student knows they will be late, then he or she can take a picture of the completed quiz and email it BEFORE the class begins. If the student is emailing a quiz, he or she must put his or her name, course and section numbers, and quiz number in the subject line. (i.e. John Smith 1324-364 Quiz #1) The professor reserves the right to limit the number of emailed quizzes submitted per semester. Each quiz that is given will be graded on the basis of 10 points for a perfect score. There will also be calculator labs that will count as quiz grades. These will be given periodically throughout the semester. At the end of the semester, I will calculate a single score called your quiz average. The quiz average will be determined by dropping your lowest quiz grade and then finding the mean(average) of the remaining scores and multiplying this number by 10. 8/28/2015 Concourse | Mathematics for Business & Social Sciences I (Finite Mathematics) Page 8 of 13 MyMathLab Assignments Online homework consists of the problems on MyMathLab Plus. Every student is preregistered and enrolled in this section of the course, but will need to purchase an access code to MyMathLab Plus. Access codes are available online or at the Blinn Bookstore on campus. MyMathLab assignments will be due at midnight on the Sunday night following the completed lesson in class or midnight the night before an exam, whichever comes first. No late MyMathLab will be accepted for full credit for any reason, however a student may complete any incorrect or incomplete problems for 50% credit after the due date. The MyMathLab average will be determined by dropping your lowest two MyMathLab grades and then finding the mean (average) of the remaining scores. Textbook Homework Assignments Textbook homework consists of the problems located on the daily schedule. Textbook homework for each section covered on an exam will be turned in the day of that exam. A total of five random problems will be graded from all assignments turned in. These will be graded on the basis of 10 points for a perfect score. No late textbook homework will be excepted for any unexcused absence. The homework average will be determined by finding the mean (average) of all homework grades. Makeup Policy A grade of zero will be given for each quiz or major test that you miss due to an unexcused absence. It is the student's responsibility to meet with the instructor prior to or immediately after any absences and make arrangements to turn in completed work. Make-up work is scheduled only for excused absences. The Final Exam can take the place of a missing exam grade or to replace the lowest grade on an exam, unless the student received a zero on that lowest exam due to academic dishonesty. SCHEDULE When Topic Notes 8/28/2015 Concourse | Mathematics for Business & Social Sciences I (Finite Mathematics) Page 9 of 13 When Topic Notes Fall 2015 1324 Schedule Date Section Topic CH 9/1 Syllabus/1.2 Linear Functions and Applications 1.5 9/3 10.1 Properties of Functions 1.5 9/8 10.2 Quadratic Functions 1.5 9/10 10.4 Exponential Functions 1.5 9/15 10.5 Logarithmic Functions 1.5 9/17 Exam 1 9/22 2.3/2.4 Addition and Subtraction of Matrices; Multiplication of Matrices 1.5 9/24 2.1/2.2 Solution of Linear Systems by the Echelon Method/ GaussJordan Method 1.5 9/29 3.1/3.2 Graphing Linear Inequalities; Solving Linear Programming 1.5 1.5 Problems Graphically 10/1 3.3 Applications of Linear Programming 1.5 10/6 Exam 2 10/8 7.1 Sets 1.5 10/13 7.2 Applications of Venn Diagrams 1.5 10/15 7.3 Introduction to Probability 1.5 10/20 7.4 Basic Concepts of Probability 1.5 10/22 7.5 Conditional Probability 1.5 10/27 7.6 Bayes’ Theorem 1.5 10/29 Exam 3 11/3 8.1/8.2 Multiplication Principle, Permutations; Combinations 1.5 11/5 8.3 Probability Applications of Counting Principles 1.5 11/10 8.4 Binomial Probability 1.5 11/12 8.5 Probability Distributions; Expected Value 1.5 11/17 9.1/ 9.2 Frequency Distributions; Measures of Central Tendency 1.5 11/19 9.3 The Normal Distribution 1.5 11/24 Exam 4 1.5 11/26 Holiday 1.5 12/1 5.1 Simple and Compound Interest 1.5 12/3 5.2 Future Value of an Annuity 1.5 1.5 1.5 8/28/2015 Concourse | Mathematics for Business & Social Sciences I (Finite Mathematics) Page 10 of 13 When Topic Notes 12/8 5.3 Present Value of an Annuity; Amortization 1.5 12/10 5.3/Review 1.5 12/15 FINAL EXAM 2.7 8:1510:30pm 47.7 8/28/2015 Concourse | Mathematics for Business & Social Sciences I (Finite Mathematics) Page 11 of 13 When Topic Notes Section Textbook HW 1.2 29, 35, 37, 39, 41 10.1 31 10.2 49, 51, 53, 55, 57 10.4 21 10.5 47, 69 2.3 42, 45 2.4 43, 47 2.1 35, 37, 39, 47 2.2 47, 49, 65, 67 3.1 39, 45 3.2 None 3.3 9, 11ab, 13, 21, 23, 25 7.1 65, 67 7.2 60 7.3 17, 41, 43, 45, 47, 57, 62 7.4 57, 70 7.5 81 7.6 19, 25, 27, 37 8.1 23, 39, 41 8.2 43, 49, 53ab 8.3 33, 35, 47 8.4 24, 25, 26, 27, 28 8.5 29, 35 9.1 49 9.2 34 9.3 55, 57 5.1 Worksheet 5.2 Worksheet 5.3 Worksheet MCS BACKGROUND INFO 8/28/2015 Concourse | Mathematics for Business & Social Sciences I (Finite Mathematics) Page 12 of 13 General ACGM Approval Number: 27.0301.52 19 CIP Area: Mathematics Course Type: Academic Core Course: Yes Purpose All of the mathematics courses are based upon a strong foundation in algebraic skills. The faculty has made a commitment to the proper placement of students in algebra courses and above. Blinn Colleges commitment to providing its students with a strong academic foundation is reflected in requiring its graduating students to successfully complete 1000-level or above mathematics courses for the mathematics requirement in an A.A. or A.S. degree. The purpose of this course is to give the student mathematical background to prepare the student for a number of other freshman level math classes such as MATH 1325. Assessment The effectiveness of MATH 1324 is measured by two instructional effectiveness methods of course assessment--tracking and grade distributions. Tracking will be measured by the percentage of students that made an A-C in Math1324 and went on to make an A-C in MATH 1325. Success will be measured by a 60% or higher threshold. Grade distribution will be measured by the percentage of students making an A-C. Success will be measured with a 60% or higher threshold. Semester Schedule A course information sheet with a semester schedule is handed out to each student at the beginning of the semester. Hours Credit Lecture Lab Clinical Practicum Experiential 3 3 0 0 0 0 Detailed Outcomes: 1. The student will use linear and quadratic functions to model application problems. 2. The student will perform matrix multiplication to solve application problems. 8/28/2015 Concourse | Mathematics for Business & Social Sciences I (Finite Mathematics) Page 13 of 13 3. The student will solve systems of equations of more than two variables including systems with multiple or no solutions. 4. The student will solve application problems using linear programming methods. 5. The student will find domain of polynomial, rational, logarithmic, and exponential functions. 6. The student will apply the definition of a logarithm to solve basic exponential and logarithmic problems. 7. The student will solve compound interest problems involving annuities. 8. The student will solve compound interest problems involving amortization. 9. The student will use Venn diagrams to solve application problems. 10. The student will find probabilities requiring the use of the union rule. 11. The student will solve conditional probability problems including those that use Bayes' Theorem. 12. The student will use the multiplication principle, permutations, and combinations to solve counting problems. 13. The student will use counting techniques to find probabilities. 14. The student will construct a probability distribution and determine the expected value. 15. The student will compute mean, median, and standard deviation. 16. The student will apply the concept of a normal distribution to find probabilities. 8/28/2015 ...
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Before you take a quiz or test for the second time, you should always review every question on your first attempt, even the ones you got right.  Take notes in your notebook/binder and use those notes on your second attempt.   

Make sure that you know HOW to do anything you missed BEFORE you start that second attempt!  Use all your resources to find out how to do them.  

Steps for reviewing your assignments

Step 1) Log into MyMathLab/MyStatLab.

Step 2) Click on the Gradebook link on the left side:

Step 3) Find the assignment or quiz you want to review, then click on the blue review link to the

right of the assignment/quiz.

Step 4) When reviewing HOMEWORK you will see this first (go to step 5 if you want to review a quiz or test)


Just click on the question to see the question and answer.  The questions with a red “x” were incorrect or partially incorrect.

Step 5)  When reviewing a QUIZ you will see this first:

When you click on the grey bar at the top (circled in yellow) it will bring up the list of questions.  Again, the red “x” means it was wrong or partially wrong.

IMPORTANT :  To see what you answered and what the correct answer is, click on the specific question you want to see.  The answer that you see when you look at the question is the CORRECT answer.  To see what YOU typed in (that was incorrect) use your mouse/touchpad/cursor to hover over the answer.  A box will pop up and show you what you typed in.  You must hover over the answer to see what it was that you answered because the answer that shows in the blue box is the CORRECT answer.

Always be sure to figure out WHY you got the problem wrong so you won’t make the same mistake again on your second attempt, or on the midterm or the final exam. Look back at similar homework problems, videos, class resources, etc. to review the topic.  



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