Name:
MATH 251
Student Number:
Midterm Exam I
Instructor:
Feb. 26, 2004
Section:
This exam has 10 questions for a total of 100 points. In order to obtain full credit
for partial credit problems, all w
Name:
MATH 251
Examination I
Student Number:
July 8, 2008
Section:
This exam has 11 questions for a total of 100 points. In order to obtain full credit for partial
credit problems, all work must be sh
Name:
MATH 251
Student Number:
Midterm Exam I
Instructor:
June 29, 2006
Section:
This exam has 11 questions for a total of 100 points. There are 6 partial credit questions. In
order to obtain full cre
MATH 251
Exam I
September 26, 2011
ANSWER KEY (Form A)
1.
(a) No
(b) Yes
(c) No (also acceptable: Yes, it can be rewritten
into an exact equation because the equation is separable.)
(d) No
2.
D
3.
A
4
MATH 251
Examination I
Name:
Student Number:
February 17, 2011
Section:
FORM A
This exam has 14 questions for a total of 100 points. Show all you your work! In order to obtain
full credit for partial
MATH 251
Exam I
Sep 29, 2009
Name:
Student Number:
Instructor:
Section:
There are 6 multiple choice questions and 5 partial credit questions. In order to obtain
full credit for the partial credit prob
MATH 251
Exam I
July 16, 2009
ANSWER KEY
1.
(a) E
2.
y = 2e t 1
3.
(b) H
(c) D
(d) A
Q
= 8,
Q(0) = 100
50
(b) Q(t) = 400 300e t / 50
(a) Q +
(c) lim Q(t ) = 400
t
1 3 1
t t
64
2
4.
(a) (0, )
(b) y =
Name:
MATH 251
Examination
Student Number:
July 16, 2009
Section:
This exam has 9 questions for a total of 100 points. In order to obtain full credit for partial
credit problems, all work must be show
MATH 251
Name:
Examination I
February 25, 2010
Student Number:
FORM A
Section:
This exam has 14 questions for a total of 100 points. In order to obtain full credit for partial
credit problems, all wor
MATH 251
Name:
Examination I
September 26, 2011
Student Number:
FORM A
Section:
This exam has 14 questions for a total of 100 points. Show all you your work! In order to obtain
full credit for partial
MATH 251
Examination I
Name:
June 29, 2015
Student Number:
FORM A
Section:
This exam has 11 questions for a total of 100 points. Show all your work! In order to obtain full
credit for partial credit p
MATH 251
Name:
Examination I
July 7, 2016
Student Number:
FORM A
Section:
This exam has 9 questions for a total of 100 points. Show all you your work! In order to obtain
full credit for partial credit
MATH 251
Name:
Examination I
October 5, 2016
Student Number:
FORM A
Section:
This exam has 14 questions for a total of 100 points. Show all your work! In order to obtain full
credit for partial credit
MATH 251
Name:
Examination I
February 27, 2014
Student Number:
FORM A
Section:
This exam has 13 questions for a total of 100 points. Show all you your work! In order to obtain
full credit for partial
ANSWER KEY - EXAM I, FORM A
MATH 251, SPRING 2014.
1. (I) The equation is linear because the variables y, y 0 , y 00 occur linearly.
Therefore, (I) is false.
(II) The equation is second order because
MATH 251
Name:
Examination I
Student Number:
October 4, 2007
Section:
This exam has 12 questions for a total of 100 points. In order to obtain full credit for partial
credit problems, all work must be
MATH 251
Name:
Examination I
Student Number:
February 28, 2008
Section:
This exam has 13 questions for a total of 100 points. In order to obtain full credit for partial
credit problems, all work must
Math 251
February 24, 2005
First Exam
NAME:
Section #:
There are 9 questions on this exam. Question 9 is worth 12 points. Each other question is worth 11
points. The points assigned to each part of th
MATH 251
NAME
STUDENT NUMBER
Midterm Exam I
INSTRUCTOR
Fall 2002
There are ? questions on ? pages. Please read each problem carefully before starting to
solve it. Show all work credit will not be give
NAME :
MATH 251
Fall 2004
Exam 1
Oct 12th, 2004
ID :
INSTRUCTOR :
There are 12 questions on 10 pages. Please read each problem carefully before starting
to solve it. For each multiple choice problem 4
MATH 251
Fall 2003
Exam 1
October 14, 2003
ANSWERS:
1. First order, linear;
Second order, linear;
First order, nonlinear;
Third order, nonlinear.
2. C
3. A
4. D
5. y(t) = 4 +
p
x4 3x2 + 3x + 3.
(2x +
Math 251
February 24, 2005
First Exam
NAME:
Section #:
There are 9 questions on this exam. Question 9 is worth 12 points. Each other question
is worth 11 points. The points assigned to each part of th
MATH 251
NAME
STUDENT NUMBER
Midterm Exam I
INSTRUCTOR
Spring 2003
There are 11 questions on 9 pages. Please read each problem carefully before starting to
solve it. Show all work credit will not be g
MATH 251
Fall 2004
Exam I
October 12, 2004
ANSWERS:
1. (a) first order, non-linear; (b) second order, non-linear; (c) second order, linear; (d) third order, linear.
2. C
3. C
4. D
5. A
6. C
7. y(t) =
Name:
SID:
Section:
Instructor:
EXAM I
MATH 251
October 14, 2003
This is a closed book exam. No notes or calculators may be
used.
1
2
3
4
5
6
7
8
9
10
Total:
1
2
(1) (8 points) For each of the differ
MATH 251
Name:
Examination I
Student Number:
February 26, 2009
Section:
This exam has 15 questions for a total of 100 points. In order to obtain full credit for partial
credit problems, all work must
Name:
MATH 251
Student Number:
Midterm Exam I
Instructor:
March 1, 2007
Section:
This exam has 11 questions for a total of 100 points. There are 2 multiple choice questions.
In order to obtain full cr
Math 251
October 12, 2005
First Exam
Section #:
NAME:
There are 9 questions on this exam. Many of them have multiple parts. The point value of each question
is indicated either at the beginning of eac
Math 251-B Midterm
Concordia. University
Instructor: J. Macdonald Time: 75 minutes October 19, 2017
All solutions must include a carefully written explanation.
1. [5 points] Determine whether or n
MATH 251
Examination I
Name:
Student Number:
July 6, 2010
Section:
This exam has 14 questions for a total of 100 points. In order to obtain full credit
for partial credit problems, all work must be sh
MATH 251
Name:
Examination I
July 5, 2011
Student Number:
FORM A
Section:
This exam has 12 questions for a total of 100 points. Show all you your work! In order to obtain
full credit for partial credi
MATH 251
Name:
Examination I
February 16, 2012
Student Number:
FORM A
Section:
This exam has 12 questions for a total of 100 points. Show all you your work! In order to obtain
full credit for partial