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Midterm

Fall 2014 Exam 1Exam


Department
Mathematics
Course Code
MATH 210
Professor
All
Study Guide
Midterm

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Math 210 – Fall 2014 Name:
Midterm Exam 1
Duration: 2 hours
Total: 100 points
The following rules apply:
You are expected to abide by the University’s rules concerning
Academic Honesty.
You may not use your books, notes, or any electronic device
including cell phones.
You must show all of your work. An answer, right or wrong,
without the proper justification will receive little to no credit.
You must complete your work in the space provided.
Check next to your instructor:
Kobotis
Slutskyy
Dai
Xie @ 11am
Xie @ noon
Heard
Steenbergen @ noon
Steenbergen @ 2pm
Woolf
Cheskidov
Shvydkoy
Problem Points Score
1 6
2 9
3 10
4 10
5 15
6 5
7 15
8 10
9 10
10 10
Total 100
1

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Math 210 – Fall 2014 Name:
(6 pts) 1. Two vectors are given by u=h1,1i,v=h−1,2i. Draw the vectors on a coordinate grid.
Find coordinates of the vectors u+v,uvand plot this couple of vectors on the same grid.
2

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Math 210 – Fall 2014 Name:
(9 pts) 2. For each of the couples below determine whether the angle between the vectors is acute,
obtuse, or right?
(a) u=h3,1,2i,v=h−1,0,1i.
(b) u= 4i2j,v=j+k.
(c) u=h−1
2,3i,v=h2,1
3i.
3
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