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Math 21-127: Concepts of Math
MWF 1:30pm-2:20pm
MWF 3:30pm-4:20pm

Room: Porter Hall 100

Office Hours: Tu 4:30pm-5:30pm
W 10:30am-12:30pm
(or by appointment)
Office: Wean 8122.
Phone: 412-268-1504

TA Information

TA Name Office Number/Office Hours Recitation Times/Locations
JD Nir
jnir@andrew.cmu.edu
WEH 6215
Tu 5-6:30, W 6-7:30
TuTh 1:30 DH 1211
Eric Ramos
eramos@cmu.edu
WEH 6215
Tu 3:30-4:30, W 4:30-5:30
TuTh 12:30 DH 2105
Andri Egilsson
andri@cmu.edu
WEH 7114
Tu 7pm-8pm, W 11am-12pm
TuTh 1:30 DH 2105
TuTh 2:30 DH 2122
Owen Traeholt
oct@andrew.cmu.edu
WEH 7215
M 2:30-3:30, 4:30-5:30
TuTh 12:30 WEH 5302
Will Gunther
wgunther@cmu.edu
WEH 6211
Tu 4:30-5:30, W 12:30-1:30
TuTh 12:30 PH 226B
TuTh 3:30 DH 1212
Jason Rute
jrute@cmu.edu
WEH 7106
M 4:30-5:30, W 1:30-2:30
(TuTh immediately after recitation)
TuTh 10:30 PH 125B

Homework Assignments

Assignment Problems Date Due
Homework 1 1.7,1.10,1.11,1.22*,1.24,1.26,1.29*,1.32*,1.42,1.47*,1.50*
On Problem 26, assume the carrier is 40 years old
Solutions
1/20/11
Homework 2 2.3,2.4*,2.10,2.11,2.17,2.22*,2.26,2.30,2.38*,
2.40,2.44,2.46,2.47*,2.50,2.51*
Solutions
1/27/11
Homework 3 3.5*,3.6,3.7,3.8,3.9,3.17*,3.18,3.23,3.26,3.30*,3.34,
3.38,3.45,3.55*,3.56*
For 3.5, 3.17 and 3.30 prove by induction. Don't use
previously established results.
Solutions
2/3/11
Homework 4 4.9,4.11,4.12*,4.20*,4.24,4.31,4.33*,4.43,4.46,4.49*,4.51*
Solutions
2/22/11
Homework 5 5.4,5.9,5.13,5.17*,5.19,5.21*,5.29,5.30*,5.36,
5.37*,5.41*,5.42,5.43,5.44
Solutions
3/3/11
Homework 6 6.1,6.8*,6.17,6.24*,6.29*,6.31*,6.37,6.39*,6.40
Solutions
3/24/11
Homework 7 6.45*,6.46*,7.10,7.11*,7.12*,7.13*,7.15
Solutions
3/31/11
Homework 8 7.18,7.19*,7.20,7.24*,7.33*,7.34,7.44*,7.47*
Solutions
4/7/11
Homework 9 9.6,9.9,9.10,9.17,9.18,9.22,9.27,9.28,9.29
Solutions
Never
Homework 10 10.5*,10.10*,10.18*,10.24*,10.29*
Solutions
4/28/11

Exam Reviews

 Exam 1 Review Review Solutions Exam 1 Exam Solutions Exam 2 Review Greggo's Review Greggo's Review Solutions Eric's Review Eric's Review Solutions Exam 2 Exam A Exam A Solutions Exam B Exam B Solutions Exam 3 Review Review Solutions Exam 3 Exam A Exam A Solutions Exam B Exam B Solutions Final Exam Review Review Solutions