261E1-S01 - MA 261 NAME STUDENT ID EXAM 1 Spring 2001 Page...

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EXAM 1 Spring 2001 Page 1/6 NAME STUDENT ID RECITATION INSTRUCTOR RECITATION TIME Page 1 /12 Page 2 /7 Page 3 /18 Page 4 /18 Page 5 /27 Page 6 /18 TOTAL /100 DIRECTIONS 1. Write your name, student ID number, recitation instructor’s name and recitation time in the space provided above. Also write your name at the top of pages 2–6. 2. The exam has six (6) pages, including this one. 3. Circle the correct answer for problems 1–3. Write your answer in the box provided for problems 4–12. 4. You must show sufficient work to justify your answers. 5. Credit for each problem is given in parentheses in the left hand margin. 6. No books, notes or calculators may be used on this exam. (5) 1. Let ~a = ~ i - 2 ~ j +3 ~ k and ~ b =3 ~ i +4 ~ j +7 ~ k .Th en ~a · ~ b k ~a k = A. 8 B. 33 14 C. 33 14 D. 16 14 E. 8 7 (7) 2. Symmetric equations for the tangent line to the curve ~ r ( t )= e t ~ i +(2 t +3) ~ j +(5 - sin t ) ~ k at the point (1 , 3 , 0) are: A.
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This note was uploaded on 10/16/2009 for the course MA 261 taught by Professor Stefanov during the Spring '08 term at Purdue University-West Lafayette.

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261E1-S01 - MA 261 NAME STUDENT ID EXAM 1 Spring 2001 Page...

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