Math 113 - Max/Min Worksheet Answers - 3/1
1. In the rst case, we have fxx (0, 0) = 2 and D(0, 0) = 4 and we get a local min. In the second
case we have fxx (0, 0) = 2 and D(0, 0) = 4 and we get a saddle point. In the third case, we
have fxx (0, 0) = 2 an
Math 113 - Exam 1 - In-class portion - February 13, 2013
Name:
Question Number Possible Points Score
1
20
2
20
3
20
4
20
5
20
Total
100
Instructions:
Write your name on the exam now.
Dont begin until your instructor tells you to.
You may not use the book,
Math 113 - Exam 1 - In-class portion - February 14, 2012
Name:
Question Number Possible Points Score
1
20
2
20
3
20
4
20
5
20
Total
100
Instructions:
Write your name on the exam now.
Dont begin until your instructor tells you to.
You may not use the book,
Math 113 - Review Worksheet 2 answers - 3/4/2013
1. (a) It exists and equals 1/6.
(b) It does not exist.
(c) It exists and equals 0.
2. The z -value is increasing as we move in the positive x or y directions, and so fx > 0 and
fy > 0. The cross-sections c
Math 113 - Review Worksheet 1 - 2/11/2013
Instructions:
Pair up with one or two (preferably two) other people in the class (at least one of whom
you dont know).
Pick one of the problems below to work on. (You should all work on the same problem).
Read
Math 113 - Review Worksheet 2 - 3/4/2013
Instructions:
Pair up with one or two (preferably two) other people in the class (at least one of whom
you dont know).
Pick one of the problems below to work on. (You should all work on the same problem).
Read t
Student questionnaire - Math 113 - Section A
Please turn this in to Jeremy Rouse in his oce sometime before class on Friday, January 25.
A convenient time to do this would be from 11:00-11:50 on Thursday, January 24. [ I am asking
you to do this so that (
Math 113 - Curve matching handout
There are ve equations and ve curves. Which equation matches with which curve?
Equation 1: r(t) = (4 + sin(7t) cos(t), (4 + sin(7t) sin(t), 4 cos(7t) , 0 t 2 .
Equation 2: r(t) = cos(t), sin(t), 2 cos(t/2) , 0 t 4 .
Equat
Math 113 - Worksheet 1 - 1/29/2013
Instructions:
Pair up with one or two (preferably two) other people in the class (at least one of whom
you dont know).
Pick one of the problems below to work on. (You should all work on the same problem).
Read the pro
Math 113 - Worksheet 1 - 1/29/2013
1. (a) True. (b) False. (c) True.
2. a =
11 22
,
55
and b =
4 2
,
55
.
3. x = 1.
4. (2/3, 4/3, 4/3).
5. (a) Just factor out the A.
(b) We have
z = A x2 +
= A x2 +
=A
B
C
xy + y 2
A
A
B
xy +
A
x+
B
y
2A
B
=A x+
y
2A
By
2A
Math 113 - Max/Min Worksheet - 3/1
Instructions:
Pair up with one or two (preferably two) other people in the class (at least one of whom
you dont know).
Pick one of the problems below to work on. (You should all work on the same problem).
Read the pro
Solutions to old Exam 1 problems
Hi students!
I am putting this old version of my review for the rst midterm
review, place and time to be announced. Check for updates on
the web site as to which sections of the book will actually be
covered. Enjoy!
Best,