Math 3200-001 Spring 2014 Practice exam
Each problem is worth 0 to 4 points: 4=correct, 3=small error, 2=good
progress, 1=some progress 0=nothing relevant. All steps need to be present
so that your me
Math 3200-001 Fall 2014 Practice exam 1 solutions 2/16/2014
Each problem is worth 0 to 4 points: 4=correct, 3=small error, 2=good
progress, 1=some progress 0=nothing relevant. If the result is correct
Math 3200-001 Spring 2014 Homework 2 solution
2.3/15 A tank initially contains 10 lb of salt in 200 gal of weater. A salt solution ows into
the tank at 3 gal/min and well-stirred out at the same rate.
3200 Spring 2014 Homework 1
1.2/2 What order is the dierential equation t4 y + y sin t = 6?
Solution: Order 1 because there is only 1st derivative.
2
1.2/9 (a) Show that y (t) = Cet is a solution of y
Math 3200-001 Exam1
Closed book, closed notes, no calculators or other devices. One 3x5 handwritten card allowed, both sides.
1. Find the general solution of the dierential equation y = y 2 .
Solution
Exam Review
MATH 3200-002
1. Which of the following is a linear and separable equation?
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a.
= &
b.
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= +
c.
=
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d. None of these
2. Classify each equation as:
linear or nonlin