Math 250

Ordinary Differential Equations

Sample Exams

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Exam I

Exam I, Spring 2003
exam questions and answer key.
The answers to the multiple-choice questions are on the cover page.

Exam I, Fall 2004
answer key.

Exam I, Spring 2005
answer key.

Exam I, Fall 2005
answer key.

Exam I, Spring 2006

Exam I, Spring 2007; exam questions and solution key

Exam I, Summer 2007

Exam I, Fall 2007; exam questions and solution key

Exam I, Summer 2009
answer key.

Exam I, Fall 2009
answer key.

Exam I, Summer 2010
answer key.

Exam I, Fall 2010

Exam II

Exam II, Fall 2001
answer key.
The missing answers from the key are: (6) D; (7) C; (8) A; (12) y(t) = -1/6 + 7e^-3t/15 + 7e^2t/10.

Exam II, (semester unknown, circa 2002/2003)

Exam II, Spring 2003
exam questions and answer key.
It says "first exam", but it is the second exam.
The answers to the multiple-choice questions are on the cover page.

Exam II, Fall 2003

Exam II, Fall 2004
answer key.

Exam II, Spring 2005
answer key.

Exam II, Fall 2005

Exam II, Spring 2006

Exam II, Spring 2007; exam questions and solution key

Exam II, Summer 2007

Exam II, Fall 2007; exam questions and solution key

Exam II, Summer 2009
answer key.

Exam II, Fall 2009
answer key.

Exam II, Spring 2010

Exam II, Summer 2010
answer key.