## Agenda, Math 221 (s. 02, Linton), Spring 2006

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Office hours: Tu/Th 1:10-2:30 & 4:15-5:00, 649 Exley S.C.

Class
meeting
number
Date Text material for discussion Problem assignments, due the following class meeting
(9th ed’n numbers, if different, are bracketed [like so];
items now cancelled are struck through, thusly):
1 26 Jan Anton, Chapter 1, §§ 1 & 2 None – first assignment to be announced in second class meeting
2 31 Jan Chapter 1, §§ 3 & 4 & 5 §1.1: ## 7, 8, 9, 12 [13], 13 [14];
§1.2: ## 18, 27.
3 2 Feb Chapter 1, §§ 5 & 6 & 7 §1.3: ## 9, 12, 18, 19;
§1.4: ## 1, 2, 3, 5, 6, 10;
§1.5: ## 12, 13, 15.
4 7 Feb Finish Chapter 1
(& begin Chapter 2 ?)
§1.5: ## 12, 13, 15 (8th ed’n numbering)
or: ## 15, 16, 18 (9th ed’n numbering)
Note. Alas, the 8th and 9th editions diverge when it comes to Chapter 2: what was §1 in the 8th ed’n becomes the last § of the 9th ed’n, while §4 of the 8th ed’n becomes §1 in the 9th. So we’ll attack this chapter by burning inwards from both ends, as best we can.
5 9 Feb 1st ½: Still winding up Chapter 1; 2nd ½: Chapter 2, §§1, 2, & 4 §1.3: ## 15, 16(c);
§1.5: read text Example 4 and do ## 1, 2, 9 [10 in the 9th ed’n];
§2.2: ## 1, 2, 3; and
(if we get this far) §2.4 [2.1 in the 9th ed’n]: ## 1, 2, 3.
6 14 Feb Chapter 2, §§ 1, 2, & 4
Quiz
§2.4 [§2.1 in the 9th ed’n]: ## 1, 2, 3;
§2.4 [§2.1 in the 9th ed’n]: ## 4, 6, & [[12 & 14] and/or 15].
7 16 Feb Note: Math Open House today, noon
Chapter 2, §§ 1-4; and
odd tidbits from late in Chapter 1
To turn in: §1.7, #6 (8th & 9th ed’ns agree); and
§2.1 (8th ed.) or §2.4 (9th ed.), ##1&2 (b,c,d,& f).
To think about (or ask at a help session): why are these easy? —
§1.7, ## 1-5 & 10 (8th & 9th ed’ns agree);
§2.2, ## 2-3 (8th & 9th ed’ns agree);
§2.2, ## 16-18 (8th ed’n) or ##18-20 (9th ed’n);
§2.3, # 3 (8th & 9th ed’ns agree).
8 21 Feb More tidbits from Chap.’s 1 & 2;
and: starting Chapter 3 (?)
See HW-2.21-3.htm for assignment.
9 23 Feb Chapter 3, §§ & & None for Tuesday.
10 28 Feb Chapter 3, §§ & & § 1.6: ## 20, 22, 23, 24, & 28 (8th ed’n) = 29 (9th ed’n);
§ 1.7: ## 9-13;
§ 2.1 (8th ed’n) = § 2.4 (9th ed’n): ## 14, 15 (or 15(a)), & 16.
11 2 Mar Chapter 4, §§ & &
½-period test in 2nd ½ of class
(cf. also test key)
To be submitted in part on Tuesday, in part on Thursday;
where appropriate, subscripts indicate the relevant editions:
§1.2: Sort out why the proposed answers to ## 1, 3, & 19 are right;
§1.3: ## 9, 10, 259 = 238, 319 = 298, 32(b)9 = 30(b)8;
§3.1: # 209 (available only in the 9th ed’n, alas);
§3.2: ## 99 = 68, 10(a)9 = 7(a)8, & 129 = 98;
§3.3: ## 1-3, 4-6, 12, 259 = 228;
§3.4: ## 1, 2, 7, 8, 15, & 21.
12 7 Mar Chapters 3 & 4, §§ & &
13 9 Mar Chapter(s 3 &) 4, §§ & & — Nothing assigned over Spring Break. —
Spring Break
Class
meeting
number
Date Text material for discussion Problem assignments, due the following class meeting.
(Ed’n numbers, where relevant, appear as subscripts;
prior items now cancelled are struck through, thusly.)
14 28 Mar Chapter 4, §1 & Chapter 5, §1 §4.1: ##1-6.
15 30 Mar Chapter 4, §1 &2 (& 3 ?)
Notes: A versus ATA
Cauchy-Schwartz Inequality
The Triangle Inequality
§4.1: ## 7, 9, 14, 16, 20, 21, 34;
§4.2: ## 2, 3.
16 4 Apr Chapter 4, § 1, prob. 16 & 34, & §2 (in part) (& 3 ?) §4.2: ## 1, 5, 6, 12(b), 13, 22, 26.
17 6 Apr Chapter 4, §§ 2 & 3 & 4;
(& Chapter 5, §§ 1 (& 2 ?) ?)
§4.2: ## 29-32 & §4.3: ## 1-5; and extra credit HW (due Tuesday):
Given real m (not necessarily ≠ 0 , despite that proviso on the board in class), find the standard matrix for the linear transformation from R2 to R2 that consists in moving each point to its mirror image across the straight line y = m x .
18 11 Apr Chapter 5, §§ 1 & 2
 Not for turning in: Contemplate the examples of §5.1, ## 1-16, bringing up in class any questions you may have.For turning in: §5.1, ## 19, 20.
19 13 Apr Chapter 5,
§§ (2 &) 3 & 4 (& 5 (?))
§5.1: ## 179, 189 (alas, these are nowhere in the 8th ed’n.), & 238 = 279 ;
§5.2: ## 1, 2, 6, 7, 11, 15, 17, 19;
§5.3: ## 1-3.
20 18 Apr Chapter 5, §§ 3 & 4
N.B.: I won’t hold you responsible for the “Calculus Required” parts of §5.3.
§5.2: # 26;
§5.3: ## 6(a)&(c), 7, 88 = 99 ;
§5.4: # 1-3.
21 20 Apr Chapter 5, §§ 4 & 5 (& 6 ?) §5.4: ## 5, 7, at least one of 118-138 = 129-149, at least one of 148-168 = 159-179, and at least one of 208-218 = 219-229 (the more, the merrier);
§5.5: ## 1, 2(a,c), 3(a,b,d), & 7.
22 25 Apr Chapter 5, review; Chapter 6, § 1
Actually: Ch. 5 concluded; and (sketchily) Ch. 6, §§ 1, 2, & 6 (to (6.6.1))
§5.5: ## 7-9, 12, 13;
§5.6: ## 1-6 ;
§6.1: ## 1-4.
23 27 Apr Chapter 6, §§ 2, 5, & 6
Note: much of §§ 3 & 4 will be omitted
§5.6: ## 11, 12;
§6.1: ## 10(a&b), 11(a&b), 20;
§6.2: ## 1(a,d,f), 28 = 49, 38(b&f) = 59(b&f), 88(a&b) = 109(a&b);
§6.3: ## 1-4.
24 2 May Chapter 6 concluded;
40-minute test (2nd ½ of class)
§6.2: ## 108(a) = 129(a), 128 = 149, 258 = 279;
§6.3: ## 7, 9, 10;
§6.4: # 2.
25 4 May Selecta from Chapter(s) 6 & 7 §(6.6)9 = (6.5)8: ## 1, 3(b-f), 209 = 308;
§7.1: ## 1-3, 10, 11, 20, 21.
26 9 May Selecta from Chapter(s) 7 (& 8?) - none -

Final Exam: Friday, May 19, 9:00-12:00, Room 109 Exley Science Center

 First posted: 27 Jan 2006. Last modified: 28 May 2006. Contents © 2006 by Fred E.J. Linton