Mr. Hansen’s HW Store: Contents

WARNING!

These solutions are dangerous! Do not look at them until after you have made an emotional commitment to your written efforts. If you make a half-hearted try and then check the solutions (or worse yet, if you skip doing the problems and simply look at the answers), then you are wasting your time. As counterintuitive as it seems, most of the educational benefit comes in the struggle. If you bypass the struggle, you bypass your education.

STAtistics, 2014-15, Q4
Due Date	Problems
4/13/2015	p. 682 #12.40ab, pp. 683-684 #12.45ab, pp. 723-724 #13.28abcd

STAtistics, 2010-11, Q4
Due Date	Problems
4/6/2011	AP formula sheet questions #1-9

HappyCal, 2010-11, Q3
Due Date	Problems
1/24/2011	Volume of a general paraboloid: (a) plane slicing perpendicular to axis (easy), (b) cylindrical shells (easy), and (c) plane slicing parallel to axis (hard)
3/7/2011 (opt.)	Chapter 10 and 11 Review Problems

STAtistics, 2010-11, Q3
Due Date	Problems
2/2/2011	p. 549 #10.36
2/14/2011	pp. 634-641 #11.64, 11.66, 11.90
3/10/2011	p. 742 #13.64abcdef

STAtistics, 2010-11, Q2
Due Date	Problems
11/9/2010	pp. 286-287 #6.1, 6.10, plus parts a,b,c of extra problem
11/10/2010	p. 302 #6.25
11/11/2010	pp. 311-313 #6.36, 6.40, proof that disjoint events are not indep.
11/12/2010	pp. 332-333 #6.61, plus “Mr. Hansen” problems 1,2
11/30/2010	pp. 395-397 #7.46, 7.54, 7.55, 7.56, 7.61, 7.62
12/1/2010	pp. 413-415 #7.70, 7.72, 7.73, 7.76, 7.79
12/10/2010	pp. 459-461 #8.10, 8.12, 8.17a, 8.18, 8.21

HappyCal, 2008-09, Q4
Due Date	Problems
4/15/2009	Test on Everything Except §12.8 (blank test)

HappyCal, 2008-09, Q2
Due Date	Problems
11/10/2008	Test #5 (solution key)
12/5/2008	§7-5 #8

HappyCal, 2008-09, Q1
Due Date	Problems
10/27/2008	Selected problems from tests in book: Page 1 2 3 4

Geometry, 2008-09, Q4
Due Date	Problems
4/3/2009	§12.4 #3, 4, 6, 9, 10, 12 (author credit: Sope)
4/8/2009	Answers not in book: pp. 594-597 #2, 6, 8, 10, 12, 18
4/8/2009	Area and volume formula answers (descriptive identifiers for formulas posted in 4/8/2009 calendar entry)
4/10/2009	§13.1 #1, 4, 8, 9, 12, §13.2 #4, 6, 9, 13-17 all Note: Although #17 was not actually assigned, it is worth looking at. The problem appears to require a fair amount of calculation, but in fact there is a much easier way to get the answer by using the Midline Theorem.
4/14/2009	How to Sketch in 3-D (handout)
4/16/2009	Answers not in book: pp. 644-646 #4, 6, 10, 12

Geometry, 2008-09, Q3
Due Date	Problems
1/27/2009	§9.3 #20 and §9.4 #1abcde
1/27/2009	§9.4 #1fg, 7, 9, 10, 11, 13, 16, 17, 22, 23, and 16 alt.
1/28/2009	§9.5 #3, 6, 9a, 9b, 12; §9.6 #1, 2, 3, 4, 5abcdef, 5ghi, 6, 15
1/29/2009	§9.7 #1, 2abc, 2d, 4, 5, 7, 8, 9, 14, 15, 20
1/29/2009	Solution to Sample Quiz I (coordinate geometry proof)
1/29/2009	Solution to Sample Quiz II (5 quick right triangle questions)
1/30/2009	§9.8 #1, 2, 3, 4, 5, 13, 14; p. 429 #1ab, 1cd, 2, 3a, 3bcdefghij
2/2/2009	Chapter 9 review problems, pp. 429-433: #4-7, 9, 11, 12-15, 16, 17, 20, 21, 23, 24, 25-27, 28-31
2/5/2009	§10.1 #2
Optional	§10.1 #6, 8, 11, 12, 13 (diagram), 13 (proof), 14 (These were not assigned, but after I did them by mistake, I figured I might as well post them in case they are helpful to you. Problem 14 is especially good, since it shows how a common chord to two circles must be perpendicularly bisected by the line joining their centers.)
2/6/2009	§10.2 #6, 8, 11-14 (diagram), 14 (proof), 15
2/9/2009	§10.3 #1, 2, 3, 4, 11, 12, 15, 25
2/11/2009	§10.4 #2, 4, 6, 9, 10, 16, 22
2/12/2009	§10.5 #5, 6, 7-14, 18
2/17/2009	Two proofs of the “HUGH” Theorem
2/19/2009	Common Tangent Procedure Problems A and B
2/19/2009	Angle-Arc Puzzle Collection for Review: Problems
2/19/2009	Angle-Arc Puzzle Collection for Review: Solutions Page 1 2 3
2/26/2009	§10.9 #2-7 all, 11, 14, 9bc
2/27/2009	Chapter 10 review problems, pp. 505-509
2/27/2009	Additional practice problems for Chapter 10 test
2/28/2009	Additional Chapter 10 review problem: Solution to #16

Geometry, 2008-09, Q2
Due Date	Problems
11/10/2008	Solutions to A period proof and F period proof from Test #5
11/11/2008	§5.7 #8 (author credit: Abbott)
11/12/2008	p. 267 #23
11/17/2008	§6.1 #1 sample, #2 regular (author credit: Sope)
11/18/2008	§6.1 #4, 8, 11, 13, 14
11/19/2008	§6.2 #1, 2, #3, 4, #6, 11
11/21/2008	Solutions to A period proof and F period proof from Test #6
11/25/2008	§6.3 #10, #11
12/8/2008	§7.4 #1-4, 10, 11, 13, 14
12/10/2008	Sope’s excellent proof (2-column proof from test #7 on 12/9/08)
12/11/2008	§8.1 #3-6
12/12/2008	§8.1 #8, 11, 13; §8.1 #22; §8.2 #2, 3; §8.2 #6, 7

Geometry, 2008-09, Q1
Due Date	Problems
9/11/2008	§1.5 #2, 4, 6, 11, 18, 20
9/12/2008	§1.6 #8, 10, §1.7 #5, 7, 10, 14
9/15/2008	§1.8 #2, 4, 5, 9, §1.9 #1-5, 12
9/15/2008	Chapter 1 review problems #1-39
9/23/2008	§2.4 #8, 10, 12, 15, 17, 21
9/24/2008	§2.5 #14 (excerpt from the full assignment that was due)
9/25/2008	§2.7 #4, 7, 8, 9, 14, 18, §2.8 #4, 7, 8, 10, 11
9/29/2008	Chapter 2 review problems #1-38
10/2/2008	§3.3 #4 (excerpt from the full assignment that was due)
10/2/2008	“The X”: Sample proof showing forward and backward chaining
10/7/2008	Pons Asinorum (classical and modern versions), Period A
10/7/2008	Pons Asinorum (classical and modern versions), Period F
10/14/2008	Selected Chapter Review/Cumulative Review from pp. 162-167
10/15/2008	Additional review problems (fleems, glams, ALTO/PBCC, etc.)
10/16/2008	Blank copy of Chapter 3 test, Period A
10/16/2008	Answers to Chapter 3 test, Period A
10/16/2008	Blank copy of Chapter 3 test, Period F
10/16/2008	Answers to Chapter 3 test, Period F
10/20/2008	§4.1 #2, 5, 6, 9, §4.2 #1-8 all: Page 1 2 3 4 5
10/21/2008	§4.4 #1
10/22/2008	PBT challenge puzzle
10/23/2008	§4.4 #10, 20, and a simpler puzzle
10/24/2008	§4.5 #2, 4, §4.6 #1-6 all, 10, 11: Page 1 2 3 4
10/27/2008	Chapter 4 review problems #1-22: Page 1 2 3 4 5 6 7 8 9 10 11
10/29/2008	§5.1 #1
10/29/2008	§5.1 #5 (author credit: Sope)
10/29/2008	Mr. Hansen’s umbrella problem (example of indirect proof)
10/30/2008	World’s deadliest theorem: The square root of 2 is irrational
10/31/2008	§5.2 #2, 3, 4, 5, 6, 8, §5.3 #3, 4, 5, 7, 10, 27: Page 1 2 3 4

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