207 Fall 06 Test1 KEY

207 Fall 06 Test1 KEY - MthSc 207 Sections 6.1 6.5 Test 1...

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MthSc 207 Sections 6.1 – 6.5 Test 1 Sample – Answer Key Name: _______________________________________ Instructor: ___________________________________ Section # : ______ General Directions: Show work where possible. Answers without supporting work (where work is appropriate) may receive little credit. If using matrices to solve a system of equations, show the matrices you are using. Do not round intermediate calculations. Answers in context ALWAYS require units. Round your answers to 3 decimal places UNLESS the answer needs to be rounded differently to make sense in the context of the problem OR the directions specify another type rounding OR the complete answer has less than 3 decimal places. When you are asked to write a model, include all components of a model: an equation, a description of the input, a description of the output, and the input interval when known. When asked to write a sentence of practical interpretation, answer the questions: when?, what?, and how much? using ordinary, conversational language. Do not use math words, terms, or unnecessary phrases. Always use a ruler when estimating values off of a graph. Statement of Academic Integrity: I have not and will not give or receive improper aid on this test. Signature: ________________________________________ DO NOT WRITE IN THIS TABLE Question 1-15 16 a - b 17 a - c 18 19 a - c 20 a - b 21 22 a – c 23 a – c Possible Points 50 6 7 4 7 7 4 7 8 Total Points Earned HINTS FOR TROUBLESHOOTING YOUR CALCULATOR: If you lose your L1, L2, etc. , you may reinsert them using STAT 5 (set-up editor) enter. The SCATTER PLOT will not show unless Plot 1 has been turned on and there is data in L1 and L2. Turn off/on scatter plots by using the arrows to highlight the item you want off/on and using the enter key to change the status. DIM MISMATCH error usually means that the lists in L1 and L2 are not of equal length. DATA TYPE error usually means that you already have something in Y1 and you need to clear it before you can paste a new equation. INVALID DIM error usually means that your plot(s) are on, but that you have no data in the lists. Refer to the second hint above. If your batteries die, raise your hand and hold up your calculator. If your instructor has an extra calculator available, he/she will loan it to you for a few minutes.

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MthSc 207 Sections 6.1 – 6.5 Test 1 Sample – Answer Key The first part of this test consists of multiple choice questions. Each question has one correct answer. Using a #2 pencil, bubble in the letter of the response that best answers each question on your scantron. For your own record, circle your responses, and note that on this portion, only the scantron answers will be graded. This section will account for 50% of the test grade. 1)
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207 Fall 06 Test1 KEY - MthSc 207 Sections 6.1 6.5 Test 1...

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