This page contains some resources for MA 23200 for the Spring 2012 semester, prepared by Doug Babcock.

Unit Circle (for trigonometry review)
Exam 1 Review Problems (answers)
An old Exam 1 I wrote
Spring 2012 Exam 1 Solutions
An old Exam 2 I wrote (answers)
Direction Fields for Homework 20
Exam 3 Review Problems (answers) [Note: the answer given for review problem 6 is incorrect.]
An old Exam 3 I wrote (solutions) [Note: The average score on this exam was 59%.] [Other note: The solution to problem 2 should state that y = 0 is a constant solution, but that y = 0 is already included in the solution of the form y = Cx^xe^-x, so it is not necessary to list it separately.]

A draft of the Spring 2010 Final Exam ["A" is the best answer for all questions except problem 18; "B" is the best answer for problem 18.]

In order to view the files on this page, you will need a program that can view PDF documents. If you do not have such a program on your computer, you can download Adobe Reader. Alternatively, all campus computers should be equipped with a PDF viewer.

Permission is granted to use these documents ONLY for personal or educational use. Permission is NOT granted for these documents to be stored in any manner where they are publicly available elsewhere. Commercial use of these documents, including (but not limited to) sale of them and sale of access to them, is prohibited.

Please direct questions to dbabcock@math.purdue.edu.