Summer 2010-3 CLASS NOTES CHAPTER 1 Section 1.1: Linear Equations Learning Objectives: 1. Solve a linear equation 2. Solve equations that lead to linear equations 3. Solve applied problems involving linear equations Examples: 1. [pic] [pic] 3. A total of $51‚000 is to be invested‚ some in bonds and some in certificates of deposit (CDs). If the amount invested in bonds is to exceed that in CDs by $3‚000‚ how much will be invested in each type
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CBSE TEST PAPER-01 MATHEMATICS (Class-10) Chapter 3 : Pair Linear Equations in Two Variables 1. 2. 3. 4. For which values of p does the pair of equations given below have unique solution? (2 marks) 4x + py + 8 = 0‚ 2x + 2y + 2 = 0 Solve graphically: 3x + 2y = 14x‚ x – 4y = 7 (3 marks) Two rails are represented by the equations x + 2y – 4 = 0 and 2x + 4y -12 = 0. Represent this situation geometrically. (3 marks) a b c On comparing the ratio 1 ‚ 1 and 1 find out whether the lines representing the
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The ASSURE Model To become skilled in todays classrooms it is crucial to know when to use a wide range of instructional strategies and passive and interactive media. Heinich‚ R.‚ Molenda‚ M.‚ Russell‚ D. J.‚ & Smaldino‚ E. S.‚ (2002) stated to use media and technologies effectively a systematic plan for thier use is necessary. They suggest utilizing the ASSURE model as a guide‚ which identifies six major steps in an instructional planning process. The Assure Model is: Ø A procedural
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prior to the scheduled exam date. 03/18/2013 Advanced Strategies for the Technical Professional QUIZZES & EXAMS Unit 2 Quiz 1 Scope This quiz covers material from the first unit of the course. Select the one BEST answer to each question below. This is an open-book quiz. Students may consult their textbooks and their own class notes while taking this quiz. Students may not consult any other resources‚ including other students‚ either in person or by electronic means. 1. Which of the
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through the doors on my first day of elementary school was a very nerve wracking day. I was starting at a brand new school and didn’t know anybody. I was never a super talkative child but I usually had my sister nearby to help me out. I knew I wasn’t going to have her by my side any longer and that made me apprehensive about how I would make friends. I had a hard time socializing with people that I did not know since before I can remember. My first year of elementary school was rough because I did not
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Name: ___________________________ Student Number: ___________________ Quiz Example Questions STRE2010 Innovation & Entrepreneurship STRE5607 Entrepreneurship & New Venture Management Instructions: Please‚ write your name and student number at the top of the cover page in the space provided. Do NOT remove the staple. Keep the pages bound together. This examination consists of eight [8] pages including the cover sheet and an extra page for longer answers Printing is double sided‚ so
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Week 4 Exercises Chapter 5 – Section 1. Question 5 To perform a certain type of blood analysis‚ lab technicians must perform two procedures. The first procedure requires either one or two separate steps‚ and the second procedure requires either one‚ two‚ or three steps. a. List the experimental outcomes associated with performing the blood analysis. Answer: There are two procedures that a lab technician must perform. The first procedure requires either one or two separate steps‚ which could be named
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2/8 (Friday) Standard Deviation cont’d Example: Amount of money earned by new immigrants Sample: 12‚ 15‚ 16‚ 20‚ 25‚ 36‚ 40 Step 1: Find the mean * x̄=164/7 * mean is 23.4 Step 2: Find how much each observation deviates from the mean * 12 - 23.4 = -11.4 * 15 – 23.4 = -8.4 * 16 – 23.4 = -7.4 * 20 – 23.4 = -3.4 * 25 – 23.4 = 1.6 * 36 – 23.4 = 12.6 * 40 – 23.4 = 16.6 * Note: all observations below mean will be negative‚ all above will be positive Step
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Step 1- Identify the problem Develop a problem statement- What are you going to investigate (use the 6 characteristics of a good problem statement) 1. Be interested in the problem 2. Have a manageable scope 3. Be comfortable in terms of the knowledge‚ time‚ and resources needed to investigate the problem 4. Be able to collect and analyze numerical data 5. Must be a practical or theoretical reason for you to research the problem 6. It must be ethical for you to investigate the problem
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18. Based on a simple random sample of one hundred an analyst estimates the average hourly wage earned by workers in a city to be $30 and computes the margin of error to be $5. Can we conclude from this that most workers there earn between $25 and $35 per hour? Is the right interpretation for the margin of error? 23. Polls showed the two main candidates in the 2004 presidential election were nearly tied on the day before the election. To predict the winner a newspaper would like to have a poll
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