Name:
Student ID:
Section:
Instructor:
Math 334 (Differential Equations)
Exam 2
RED
February 26  March 2, 2010
Instructions:
•
For questions which require a written answer, show all your work. Full credit will be given
only if the necessary work is shown, justifying your answer.
•
Simplify your answers.
•
Calculators are not allowed. Textbooks are not allowed. Notes are not allowed.
•
Should you have need for more space than is allotted to answer a question, attach your work
to the back and indicate this fact.
•
Please do not talk about the exam with other students until after the last day to take the
exam.
For Instructor use only.
#
Possible
Earned
MC
40
9
10
10
10
11
10
12
10
13
10
14
10
Total
100
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Part I: Multiple Choice
Mark the correct answer on the bubble sheet provided.
1. Find the solution to the initial value problem
2
y

y

6
y
= 0
,
y
(0) = 1
,
y
(0) = 2
.
What is
y
(2)?
a)
e
4
b)
e

3
c)
e
4
+
e

3
d)
2
e
4
+ 3
e

3
e)

e
4
+
e

3
f)
e
4

e

3
2. Find the solution to the initial value problem
y

2
y
+ 6
y
= 0
,
y
(0) = 0
,
y
(0) = 2
.
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 Fall '08
 DALLON
 Differential Equations, Equations, Cos, Det

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