Math 2720

Summer I 2025

Western Michigan University

Problems from Draft Text

Mobius Strip
Section Page Problems Date
1.1.1 9 1c,f, 2a,h, 3b,e,h, 4b,f, 5c,e, 6a,f, 7b, 8b (a,b,c only), 9a,d
1.2.2 19 1d,e, 2b,e, 3a,e,f, 4a,d, 5,a,b, 6b, 7b,c, 8, 9b,d, 10b, 11a,e,g, 12, 13
1.3.4 35 1a,d,g,j, 2c,g, 3b,f, 4c,d, 5a,e,g, 7, 8e, 10, 12d, 13a,e, 14, 18a, 21
1.4.3 48 1b,e,h,j, 2c,f,i, 3d,g, 4a,e, 5c,f, 6b,f, 7, 9, 11, 13b, 14b, 17
1.5.1 57 1a,e, 2a,f, 4b,e, 5c,f, 6a,e, 7b,c, 10, 11d, 12a,d,f
1.6.1 66 1a,f, 2a,e, 3b, 4c,h, 5b,f, 6d,h, 7a, 10b,f, 11c, 12d, 13, 14c
2.1.1 79 1b,d, 2a,e, 3, 4, 5b,d, 8
2.2.1 102 1d,c, 2, 3a,g,h, 4c,e, 5a,d, 6b,d, 7a,c, 10b, 11a,b, 17, 18a, 19a, 21b
2.3.1 115 1c, 2c,e, 3, 4b,e, 5, 6a
2.4.3 131 1, 2, 3, 4, 7a,c, 8a,d, 9b,d, 10c,e, 15
2.5.2 144 1a,d, 2d,f, 3b,d,f, 4, 5, 6b, 7c,e, 8a, 9b,d
2.6.1 164 1b,c,d, 2b,c, 4a,d,e, 5b,c, 6a,c,e,i, 7,b,d, 8
2.7.1 176 1b,d, 2a,c, 3a,d, 4b,c, 5b,c, 6, 7a, 8
2.8.1 185 1a,d,g,j,m, 2b,c,f,g, 3c,f,h, 4f,j,k, 5, 8
3.1.1 196 1a,c,e, 2d,c,e, 3, 5, 7, 8, 11
3.2.1 209 1,b,e,i,m, 2b,e, 3, 4, 5, 7a,c
3.3.1 221 1b,d,i, 2, 3c,e,g,h, 5a,c,e, 6, 8
3.4.1 232 1a,d,f,g, 2a,e, 3, 5,b
3.5.3 244 1a,d, 2a, 4, 5
4.1.1 254 1b,g,i, 2b,e,h, 3c,e,h, 5a, 6b, 7a, 9, 11, 13
4.2.1 262 1b,e, 2c,g, 3, 5a,d, 7
4.3.1 272 1a,c,h, 2b,f,g,k, 3, 5
4.4.2 289
4.5.1 298 1a,d,f, 2a,e, 3, 6b,c,d
5.1.3 311 1, 2, 3, 4b,c
5.2.1 326 1, 2, 3, 4b,d, 5,a,c
5.3.4 254 1b,e, 2c,f, 3b, 4a,c,e, 5, 7c
5.4.2 364 1a,d,g, 2a,c,f, 3a,d, 4c, 5b, 6b
5.5.1 380 1a,d, 2b,c, 3a,d, 4b, 5a, 7, 9
5.6.1 391 1, 2a,c,e, 3a,d, 4a,e, 6, 9
6.1.1 404 1a,d,f,j, 2a,c,e, 3b,d,e, 4, 5b
6.2.1 412 1a,d,f,i, 2a,c,d, 3b,c, 4a
6.3.2 423 1, 2a,d,h, 3a,b, 5b,c,g, 8

Jay Treiman: jay.treiman at wmich.edu