MA 341 Homework #2
Some Solutions
1. Problem 1.2.2. This system is not consistent. If you have four people,
there are only six dierent possible committees with exactly two people.
Thus, if Axioms A, C, and D are true, then B cannot also be true.
2. Proble
MA 341 Exam #3 Review
Exam #3 will be in class on Friday, November 16
1. Read and review the Log of Class Activities from the course website through Friday,
November 9.
2. Read and review the relevant sections of the Course Notes from the course website.
MA 341 Exam #2 Review
Exam #2 will be in class on Wednesday, October 17
1. Read and review the Log of Class Activities from the course website through Monday,
October 15.
2. Read and review the relevant sections of the Course Notes from the course website
MA 341 Exam #1 Review
Exam #1 will be in class on Wednesday, September 19
1. Read and review the Log of Class Activities from the course website through Monday,
September 17.
2. Read and review the relevant sections of the Course Notes from the course web
MA 341 Homework #8
Solutions
1. Derive the area formula for a general trapezoid with bases b1 and b2 , and height h.
Be sure your argument works for all trapezoids, not just isosceles trapezoids, and not
just those for which the two sides both point outwa
MA 341 Final Exam Review
The nal exam will be Wednesday, December 12, 10:30 am to 12:30 pm, in our
regular room.
1. Read and review the Log of Class Activities from the course website through Friday,
December 7.
2. Read and review the document on the cour
MA 341 Homework #1
Some Solutions
1. Problem 1.1.1. You should provide explanation and justication for
why the planet referred to is earth. At the very least look up, present,
and compare the radii of the sun and the earth. Better yet, check the
radii of
MA 341 Homework #6
Solutions
1. On your own work the sample mathematics problems at the Smarter Balanced website
http:/sampleitems.smarterbalanced.org/itempreview/sbac/index.htm. These
are sample problems that represent the kinds of problems being develop
MA 341 Homework #4
Some Solutions
1.
(a) Let h denote the height above the ground, r denote the radius of the Earth and
d denote the distance to the horizon. Then Pooles formula is
d = 2hr.
(b) Refer to the diagram below.
The radius and the tangent meet a
MA 341 Homework #3
Some Solutions
1. Problems 1.3.1 and 1.3.2 from the Course Notes on the course website.
There are many dierent labelings that work. Here is one. Note that it is important
for the second problem that each of the columns in the rst proble
MA 341 Homework #7
Solutions
1. Begin preparing for Exam #3, which will take place on on Friday, November 16.
2. Exercise 0.9 of the Isometry Problems I (Problem 7.2.1 of the Course Notes). Be
sure your diagrams are clear and neat.
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