23 Pages

Course: ECON 1100, Spring 2011

School: WPI

Word Count: 2302

Rating:

###### Document Preview

Intro Micro (ECON 1110) Final: ANSWER SHEET, Version A Name __________________ Date: ____________ 1. a b c d e 21. a b c d e 2. a b c d e 22. a b c d e 3. a b c d e 23. a b c d e 4. a b c d e 24. a b c d e 5. a b c d e 25. a b c d e 6. a b c d e 26. a b c d e 7. a b c d e 27. a b c d e 8. a b c d e 28. a b c d e 9....

##### Unformatted Document Excerpt
Coursehero >> Massachusetts >> WPI >> ECON 1100

Course Hero has millions of student submitted documents similar to the one
below including study guides, practice problems, reference materials, practice exams, textbook help and tutor support.

Course Hero has millions of student submitted documents similar to the one below including study guides, practice problems, reference materials, practice exams, textbook help and tutor support.

Find millions of documents on Course Hero - Study Guides, Lecture Notes, Reference Materials, Practice Exams and more. Course Hero has millions of course specific materials providing students with the best way to expand their education.

Below is a small sample set of documents:

Purdue - MA - 11100
MA 11100ScheduleSpring 2011Exam 1: Lessons 1-11; Exam 2: Lessons 12-22; Exam 3: Lessons 23-36JanuaryFebruaryMarchAprilMonday10Lesson 117 MLK day(no class)24Lesson 631Lesson 97Exam Review14Lesson 1421Lesson 1728Lesson 207Exam Revi
Purdue - MA - 11100
MA 11100 Calculator PolicyThe recommended calculator for MA 11100 students is a TI-30XA. It is the requiredcalculator for MA 15200 and MA 15300. You will need a calculator for some homeworkproblems. A calculator is never allowed on quizzes or exams.
Purdue - MA - 11100
These slides are to help thosestudents who have previously usedCourseCompass (previouslyregistered) for MA 15200 or MA11100. If you used MathXL; it isdifferent than MyMathLab. Youwould need to view thepresentation to register for the firsttime.Fo
Purdue - MA - 11100
Need your MyMathLab card with youraccess code (behind the pull off tab) Need a Valid E-Mail Address Need to know Purdues zip code is 47907and your course ID for your Class You may use an ITaP computer or on yourown computer (need Adobe FlashPlayer)
Purdue - MA - 11100
Purdue - MA - 11100
MA 11100Even AnswersSp11These even problems are from the bolded print problems on the assignment list. Anyeven problems that correspond to problems on coursecompass are not included in thisdocument. You will know the correct answers to those problems
Purdue - MA - 11100
MA 11100, Exam 3 Grade Approximations, Spring 2011Exam Average: 62.3Exam Range: 27 100These cut-offs are intended for approximations only. If you arenear a cut-off, your score could be considered either grade. Forexample, if you received a 87, your g
Purdue - MA - 11100
Exponent Rules and ExamplesAZero Exponent Rulea0 = 1Examples:1)12 0 = 12)( xyz ) 0 = 13)4 wrv 0 = 4 wr (1) = 4 wr4)60 + 4 = 1 + 4 = 56 x 0 6(1)5)==61h0BNegative Exponent Rulesna1=na1= annaabnb= anExamples:1)2)3)(3)
Purdue - MA - 11100
Lessons 23 Sections 4.2 and 4.33-part Inequality, Absolute Value Inequalities3-Part Inequality: 2 &lt; x &lt; 10 x &lt; 10 AND x &gt; 2The number must meet both conditions, therefore the conjunction and.Where are these numbers on the number line?-10-8-6-40-
Purdue - MA - 11100
Lesson 24, Section 5.1PolynomialsDefinition: A term is a number, a variable, a power of a variable, or the product of anyof these. A term is also commonly called a monomial. 3wExamples: 4x4 xy 2Definition: A Polynomial is a sum (or difference) of
Purdue - MA - 11100
Lesson 25Section 5.2Multiplication of PolynomialsTo multiply two monomials, use the rules of exponents.1)(8 x 2 y 3 z )(2 x5 y 2 z 2 ) =2)(5a 2b3 )(3a 5b 2 ) =To multiply a monomial and a polynomial with 2 or more terms, use the distributiveprope
Purdue - MA - 11100
Lesson 26, Sections 5.3 and 5.4 (part 1)Factoring out the Greatest Common Factor, Factoring by GroupingFactoring Trinomials (part 1)Factoring out the GCF is reversing the distributive property. It is putting thepolynomial back as a product (multiplied
Purdue - MA - 11100
Lessons 27Factoring Trinomials, Perfect Square Trinomials, Difference of SquaresTRINOMIALS (leading coefficient not a 1)Form: ax 2 + bx + c Always write terms in descending order!Notice: (3 x 5)(2 x + 3) = 6 x 2 + 9 x 10 x 15 = 6 x 2 x 156 x 2 is the
Purdue - MA - 11100
Lesson 28Factoring CompletelyFACTORING COMPLETELY1. Always factor out a GCF first, if possible.2. Count the number of terms. If there are 2 terms (binomial), look for a difference of squares pattern. If there are 3 terms (trinomial), look for a perf
Purdue - MA - 11100
Lesson 29Section 5.8Using Factoring to Solve Some Equations.Principle of Zero Products: If two factors have a product of 0, at least one of thefactors must be zero. ab = 0 a = 0 or b = 0Solve:( x 2)( x + 3) = 01)2)3 y (2 y + 1)( y 5) = 0Steps fo
Purdue - MA - 11100
Lesson 30Section 6.1Rational Expressions and FunctionsA Rational Expression is a polynomial divided by a non-zero polynomial.The following are examples of rational expressions.32w9+ xr2 ry2 2y + 5,,,,4x53r + 1y2 8A Rational Function is
Purdue - MA - 11100
Lesson 31Section 6.2Addition or Subtraction of Rational ExpressionsRemember: Fractions (rationals) can only be added or subtracted if they have a common325denominator. For example: + =888To add or subtract rational expressions with the same denomin
Purdue - MA - 11100
Lesson 32Section 6.4Rational EquationsRemember that a fraction cannot have a zero denominator. Because a rationalexpression cannot have a zero denominator, you must determine any values of x thatwould make a zero denominator when solving equations wi
Purdue - MA - 11100
Lesson 33, Section 6.5Application Problems Using Rational Equations1.2.3.4.1)Define a VariableDevelop A PlanWrite an EquationSolve and Answer the QuestionThe reciprocal of 5, plus the reciprocal of 7, is the reciprocal of what number?Let x = t
Purdue - MA - 11100
Lesson 34Section 6.8, VariationExamine this table:# hours workedPay1\$82\$163\$244\$326\$4910\$80When a relation between pairs of numbers is a constant ratio, such as above; it is called a8Direct Variation. The ratio above is and we say the p
Purdue - MA - 11100
Lesson 36Section 7.212What is a value for 9 ?Consider This.121211+229 9 = 9= 91 = 9 using the product rule of exponents.Now, Think!What other number times itself equals 9? 3 3 = 912Since both products equal 9, we can conclude that 9 = 3
Purdue - MA - 11100
Lesson 37Examine the following:4 9 = 23 = 6Sections 7.3 &amp; 7.4Since both equal 6, the expressions are equal.4 9 = 36 = 6Conclusion: 4 9 = 4 9Likewise:16=44=22Since both equal 2, the expressions are equal.16= 4=24Conclusion:164=164Th
Purdue - MA - 11100
Lesson 38Sections 7.5When two radicals have the same indices (plural of index) and same radicands, they aresaid to be 'like radicals'. They can be combined the same as 'like terms'.Like Radicals: 3 r , r,2 3 5m ,4r 3 x 3 5m , 12 3 5m5 4 5, 10 4 5
Purdue - MA - 11100
Lesson 39 Sections 7.6 and 8.1Solving Radical EquationsUsing the Principle of Square Roots to Solve an Equationx=3You know you can add, subtract, multiply, or divide (by nonnegative number) and get atrue equation. Let's see if both sides can be raise
Purdue - MA - 11100
Lesson 40Section 8.2Quadratic Formula:If ax 2 + bx + c = 0 , then the value(s) of x can be found by x =Note: b mean the opposite of b 4ac means (-4)(a)(c) b b 2 4ac.2ab 2 is always positiveUse the quadratic formula to solve the following quadrat
Purdue - MA - 11100
Linear ConnectionsAny two points ofthe line-pt. 1:( x1 , y1 )pt. 2: ( x 2 , y 2 )Slope Formulahorizontalline:y = y1m=y 2 y1 r=x 2 x1 sverticalline:x = x1Point-Slope Form of Liney y1 = m( x x1 )Standard Form ofLineA, B, &amp; C areintegers
Purdue - MA - 11100
MA 11100 and MA 15200 Spring 2011Information Needed to Register for Online HomeworkAddress: www.coursecompass.comPurdue Zip Code: 47907Adobe FlashPlayer is all that is needed on a computer.For your UserName: Use your Purdue email address (with the @p
Purdue - MA - 11100
E-mail messages Spring 2011message 1Hello!You are enrolled in MA 11100 for this fall semester. The class begin on Monday,January 10th and the class meets Monday, Wednesday, and Friday for most weeks.Vacation days are Martin Luther King Day (January 1
Purdue - MA - 11100
E-mail messages, spring 2011Message 2Hello!I recommend you buy your textbook as soon as you are able. It is advantageous to have yourtextbook and MyMathLab kit by Wednesday, January 12. Students will be asked to bringthe MyMathLab student access kit
Purdue - MA - 11100
E-Mail messages, spring 2011Message 3Hello!Today, I have attached some general comments about the class that I used tocommunicate to students the first day. However, since there are so many announcementsplus a lesson on the first day, I decided to se
Purdue - MA - 11100
E-mail Messages, spring 2011Message 4Hello!The course web page has all of the information for this course. It includes courseinformation, resources, exam information, instructor information, lesson notes, onlinehomework information, etc.Address:www
Purdue - MA - 11100
Purdue - MA - 11100
MA 11100, Intermediate Algebra, Spring 2011Memo: To MA 11100 studentsFrom: Charlotte Bailey, Course CoordinatorConcerning Classes/LessonsBefore each class, read the appropriate pages form the textbook for that lesson.ATTEND CLASS!Have the large majo
Purdue - MA - 11100
Outline for Linear Equations and Inequalities of 2 variablesAGraphing a line by Plotting Points1.2.BSubstitute any value for x in the equation and solve for y. This results ina point (x, y). ORSubstitute any value for y in the equation and solve f
Purdue - MA - 11100
SOLUTION IS.1 ordered pair infinite ordered pairsno ordered pair
Purdue - MA - 11100
3 Methods for Solving a Linear or other Systems of EquationsMethodGraphicalSubstitutionEliminationStrengths1. Solution(s) is easilyvisible2. Can be used with anysystem that can begraphed1.2.1. Yields exact solution(s)2. Easy to use when ava
Purdue - MA - 15300
Purdue - MA - 15300
Purdue - MA - 15300
Purdue - MA - 15300
MA 15300Exam 1 InformationThursday, February 36:30 pmSee your instructor for Exam locationYou will need to sit with your instructor's section.Lessons 1-9 (including lesson 1 and 9)BRING YOUR STUDENT ID TO THE EXAM WITH YOU.15 multiple-choice, mach
sheltonstate.edu - SPCH - 101
Topics for Persuasive SpeechHyeok LeeSPH 1061. Internet Filtering in college or public library .There still is controversy about whether filtering internet in public library and inschool is violation of the first amendment or not.2. It is about time
Purdue - MA - 15300
Exam 1Question #Orange FormAnswerSpring 201112AD3B45CE3a 2 b 52x + 3x 105 xy5 xy 267DDx 3x + 4 y x 4 x 4 y + 16 y 28Ax 3x + 5x ( x 3)9C1011AEx +1x+7x is less than 10.All real numbers x are solutionsx2 yx18 y12645
Purdue - MA - 15300
MA 15300Exam 2 InformationThursday, March 38:00 pmSee your instructor for Exam locationYou will need to sit with your instructor's section.Lessons 10-20BRING YOUR STUDENT ID TO THE EXAM WITH YOU.15 multiple-choice, machine graded problemsOnly you
Purdue - MA - 15300
Exam 2Question #Orange FormAnswerSpring 20111234EEDDNone of the above (-3/2, 3)5A3 4 2 i6789BDDB10E11C12CNone of the above (-1)[-5, 1]3 , 3] , )2(12 5iOne positive solution.57 3, 2 ) ( 2 , )( x 2 ) + ( y + 3)2-6
Purdue - MA - 15300
MA 15300Exam 3 InformationTuesday, April 126:30 pmSee your instructor for Exam locationWe are sitting in every other seat.Lessons 21-33 inclusive.BRING YOUR STUDENT ID TO THE EXAM WITH YOU.15 multiple-choice, machine graded problemsOnly your answ
Purdue - MA - 15300
Exam 3Question #Orange FormAnswerSpring 2011171234ACAC56CD7C8910DCE11By = 4x +132y = ( x + 2) 12 3, 1] [3, )12Dy = 2 ( x 2) 91314BB375 feet15Ex 13 x + 4021 , 4)2y = 5, y = 474 2, 1] 1, 2]2d ( t ) = 36t
Purdue - MA - 15300
MA 15300Final Exam InformationTuesday, May 33:20 pm (2 hour final)STEW 183 (Loeb Playhouse).Pick up a scantron from your instructor upon entering for yourassigned seat.200 pointsAccumulative (covers the entire semester)BRING YOUR STUDENT ID TO TH
Purdue - MA - 15300
Purdue - MA - 15300
MA 153Lesson 1 OutlineLesson 1 Section 1.1Example:If x&gt;0 and y&lt;0, find the resulting sign of:(a) xy(b)x yyExample:Express as an inequality:(a) y is nonpositive(b) The reciprocal of w is at least 9.Example:5 36Section 1.2 Exponentsx n ; x i
Purdue - MA - 15300
MA 153Lesson 2 OutlineAnswering of homework questions over lesson 1.Lesson 2 Section 1.2 (cont) RadicalsnaExample:(a) 0 =16 =(b)(c)38 =(d)416 =Laws(1) n ab = n a n bExample:36 x 2 y(2)na na=b nbExample:3278Example12 x 8 y 7 z
Purdue - MA - 15300
MA 153Lesson 3 OutlineAnswering of homework questions over lesson 2.Lesson 3 Section 1.3 PolynomialsExample:9 x 6 + 4 x 5 + x 2 21Degree =Leading coefficient=Adding and subtracting polynomialsExample:(6x3 2 x2 + x 2) ( x2 x + 2)Multiplying an
Purdue - MA - 15300
MA 153Lesson 4 OutlineQuiz Solutions (Practice problems for distance learning students)1. Evaluate: 4 5 ( 2 ) + 3= 4 7 = 4 ( 7 )= 282. Simplify. Do not leave negative exponents in your answer.3x 5 y 46 x3 y 7=3 y46 x3 x5 y 7=12 x8 y 33. Si
Purdue - MA - 15300
MA 153Lesson 5 OutlineQuiz Solutions (Practice problems for distance learning students)1. Subtract and express as a polynomial.( 3x4+ 2 x 2 4 x + 1) ( x 4 5 x 2 + 7 )= 3x 4 + 2 x 2 4 x + 1 x 4 + 5 x 2 7= 2 x4 + 7 x2 4 x 62. Multiply. Express your
Purdue - MA - 15300
MA 153Lesson 6 OutlineQuiz Solutions (Practice problems for distance learning students)1. Factor each of the following as much as possible:(a) 3 x 2 + 1 0 x 8(b) 1 6 x 4 1= ( 3x 2 ) ( x + 4 )= (4 x 2 + 1)(4 x 2 1)= ( 4 x 2 + 1) ( 2 x + 1) ( 2 x 1)
Purdue - MA - 15300
MA 153Lesson 7 OutlineAnswering of homework questions over lesson 6.Lesson 7 Section 2.1 Equations(I) Linear EquationsExample:4 ( 2 y + 5) 3( 4 y ) = 0(II) Rational Equations(a) Example (Method 1):538 = 2+xx(a) Example (Method 2):538 = 2+
Purdue - MA - 15300
MA 153Lesson 8 OutlineAnswering of homework questions over lesson 7.Lesson 8 Section 2.2 ApplicationsExample:Kathy invested \$50,000 into two different accounts. One account earns 7% simpleinterest and the other pays 5% simple interest. How much is i
Purdue - MA - 15300
MA 153Lesson 9 OutlineQuiz Solutions (Practice problems for distance learning students)1. Solve for x:7 ( 2 x 1) 3 ( 4 x ) + 2 = 814 x 7 12 x = 62 x = 13x=1322. The following equation is an identity in which 0=0. What is the solution for x?32
Purdue - MA - 15300
MA 153Lesson 10 OutlineAnswering of homework questions over lesson 9.Lesson 10 Section 2.3 Solving Quadratic Equationsax 2 + bx + c = 0Solving:(1) By factoring: If ab = 0 , then a=0 or b=0.Example:x ( 3x + 10 ) = 77Example:5x36+ +2=x2 xx (
Purdue - MA - 15300
MA 153Lesson 11 OutlinePractice Quiz Solution (Practice problems for distance learning students)1. If Jon and Kathy work together, they can do a job in 35 minutes. If Jon works alone,he can do the same job in 55 minutes. How long would it take Kathy t
Purdue - MA - 15300
MA 153Lesson 12 OutlinePractice Quiz Solution (Practice problems for distance learning students)1. Solve for x:x ( 3x + 7 ) = 23x 2 + 7 x + 2 = 0(3 x + 1)( x + 2) = 03 x + 1 = 0, x + 2 = 01x = , x = 232. Solve for x:( x 4)2=5x4= 5x = 4 5A
Purdue - MA - 15300
MA 153Lesson 13 OutlinePractice Quiz Solution (Practice problems for distance learning students)1. A ball is thrown upward with an initial velocity of 48 ft./sec. The number of feet, s,above the ground after t seconds is given by s ( t ) = 16t 2 + 48t