Test 1. Math 319
Your Name
TAs Name
No.
1
Score
Section
2
3
4
5
6
Totals
Problem 1 (18 points, 3+15)
(a) Identify the type of the following equation: (x3 + x2 y + 6y 3 ) (x3 + 6xy 2 )y = 0.
(b) Solve this equation.
Problem 2 (24 points, 2+16+3+3)
(a) Iden
Math 20.13, . Term ..Test«11.
Techniques in ordinary Differeritial' E'qatiens-
Date: Friday, November 1-5
Lecture Section: 001
(printed): ' ' ' '
UW Stdent ID Number: gaff .
H e11:
j
y
fLiu= L
Page
Math 319, Fall 2013, Term Test I
Techniques in Ordinary Dierential Equations
Date: Friday, October 4
Lecture Section: 002
Name (printed):
UW Student ID Number:
Discussion Section: (circle)
Liu Liu:
301 302 303
304
Huanyu Wen:
305
306
323
324
Dongfei Pei:
Math 320, Spring 2013, Term Test I
Linear Algebra and Dierential Equations
Date: Friday, February 22
Lecture Section: 004
Name (printed):
UW Student ID Number:
Discussion Section: (circle)
Robin Prakash:
301
302
303
Sowmya Acharya:
304
306
307
308
Raghven
Math 320-Practice Midterm 1
September 27, 2012
1
1.) a.) Find general solutions to the following dierential equations
y
i.) xy = x
ii.) x2 y =
b.) Find the particular solutions to the following dierential equations.
i.) y = xy
y (0) = 1
ii.) y = yex
x
2
y