MATH 223 Section 9
Spring 2006
Homework # 4 (Section 14.1 and 14.2)
Be sure to answer each question clearly stating your answer and neatly showing all of the work,
logic, and/or reasons you used to re
Solutions for HW # 4 1. (a) The graph of the surface has horizontal cross sections (slices for fixed z values) which are ellipses. Notice that the contour values are for negative z-values, and this th
Solutions for Quiz # 3:
Section 19.1
1. See the transparency:
For each of the surfaces, the area vectors have direction pointing only in the direction of one
of the main components: i, j, or k. So for
1
SOLUTIONS TO MATH 223 TAKE HOME TEST
Spring 2006
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MATH 223 Section 9
Exam 3
March 30, 2006
NAME:
DIRECTIONS: Read each of the 7 questions carefully, and then answer each question. Be sure
to SHOW ALL OF YOUR WORK in order to justify your nal answer.
MATH 223 Section 9
Homework # 6 (Section 14.6 - 14.7 and 16.1 - 16.3)
Spring 2006
Be sure to answer each question clearly stating your answer and neatly showing all of the work,
logic, and/or reasons
1
MATH 223 TAKE HOME TEST
In regards to the University Code of Academic Integrity, the rules for this take home test are as
follows. Each student must work independently on the test. You may ask quest
MATH 223 Section 9
Homework # 6 Solutions (Section 14.6 - 14.7 and 16.1 - 16.3)
Spring 2006
1. Consider the following function of three variables,
w = f (x, y, z) = (x + y + z)ez .
Furthermore the var
MATH 223 Section 9
Exam 4
April 20, 2006
NAME:
DIRECTIONS: Read each of the 6 questions carefully, and then answer each question. Be sure
to SHOW ALL OF YOUR WORK in order to justify your nal answer.
MATH 223 Section 9
Spring 2006
Homework # 5 (Section 14.3 - 14.5)
Be sure to answer each question clearly stating your answer and neatly showing all of the work,
logic, and/or reasons you used to reac
MATH 223 Section 9
Exam 1
February 6, 2006
NAME:
DIRECTIONS: Read each of the 8 questions carefully, and then answer each question. Be sure
to SHOW ALL OF YOUR WORK in order to justify your nal answer
MATH 223 Section 9
Spring 2006
Homework # 5 (Section 14.3 - 14.5)
Be sure to answer each question clearly stating your answer and neatly showing all of the work,
logic, and/or reasons you used to reac
MATH 223 Section 9
Exam 2
March 2, 2006
NAME:
DIRECTIONS: Read each of the 7 questions carefully, and then answer each question. Be sure
to SHOW ALL OF YOUR WORK in order to justify your nal answer. N
Summary of Math-223
I. Mathematical Objects we have met
a. Scalar Variables: These are variables which have a single value, such
as x, y, or t.
b. Vector Variables: These are variables which have magn