# Practice Test 5 - Test 1 Version A MthSc 101 Essential...

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Chapter 8 / Exercise 50
Nature of Mathematics
Smith
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MthSc 101 Test 1 Spring 2013 Essential Mathematics Version A Sections 1C – 3D Version A – Page 1 of 14 Formulas Density = Volume Mass Absolute change = New value – Old value Relative change e O - New valu ld value = ×100% Old value Absolute difference = Compared value – Reference value Relative difference e Reference - Compared valu value = ×100% Reference value Absolute error = Measured value – True value Relative error e T - Measured valu rue value = ×100% True value Index number compared value = ×100 reference value Price in \$ y = (price in \$ x ) y y y x x x CPI CPI Price in \$ or CPI CPI Price in \$ × = Rate of inflation New Old Old CPI CPI 100% CPI - = × CPI: The Consumer Price Index (Source: US Bureau of Labor Statistics) Year CPI Year CPI 1990 130.7 1998 163.0 1991 136.2 1999 166.6 1992 140.3 2000 172.2 1993 144.5 2001 177.1 1994 148.2 2002 179.9 1995 152.4 2003 184.0 1996 156.9 2004 188.9 1997 160.5 2005 195.3
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Chapter 8 / Exercise 50
Nature of Mathematics
Smith
Expert Verified
MthSc 101 Test 1 Spring 2013 Essential Mathematics Version A Sections 1C – 3D Version A – Page 2 of 14
MthSc 101 Test 1 Spring 2013 Essential Mathematics Version A Sections 1C – 3D Version A – Page 3 of 14 Student’s Printed Name: _____________________ CUID: ____________ Instructor: _________________________________ Section: _________ No questions will be answered during this exam. If you consider a question to be ambiguous, state your assumptions in the margin and do the best you can to provide the correct answer. You have 90 minutes (1.5 hours) to complete this test. General Directions: Any communication with any person (other than the instructor or a designated proctor) during this exam of any form, including written, signed, verbal, or digital, is understood to be a violation of academic integrity. All devices, such as computers, cell phones, cameras, and PDAs, must be turned off while the student is in the testing room. You may use any scientific calculator except a TI-89 or a TI-NSpire CAS. No part of this test may be removed from the examination room. On my honor, I have neither given nor received inappropriate or unauthorized information at any time before or during this test. Student’s Signature:________________________________________________ Question 1 2 3 4 Scantron Points 10 9 10 10 1 Earned Free Response Total 40 Multiple Choice Total 60 Test Score Do not write below this line.
MthSc 101 Test 1 Spring 2013 Essential Mathematics Version A Sections 1C – 3D Version A – Page 4 of 14 Multiple Choice Portion There are 20 multiple choice questions. Each question is worth 3 points and has one correct answer. Use a number 2 pencil and bubble in the letter of your response on the Scantron sheet. For your own record, also circle your choice on your test since the Scantron will not be returned to you. Only the responses recorded on your Scantron sheet will be graded. 1. The total rainfall in Laketown in 1999 was 8.9 inches. In 2000, it was 1.3 inches. Find the absolute change and the percentage change in the amount of rainfall from 1999 to 2000.