**MATH 141 -
PRECALCULUS**

Email me É MATH 141 HOME É HOME

**¥
VIDEOS; CLASS & HOMEWORK – TENTATIVE SCHEDULE (SPRING 2018)**

**WHEN
THERE'S A TEST:**

**BRING A SCIENTIFIC CALCULATOR (FORBIDDEN ON SOME PARTS), A
PENCIL + ERASER, AND YOUR HOMEWORK!**

Tu (1/30; Day 1): Hello,
Sections 0.1 to 0.5 (Part B).

**THINK ABOUT DOING ALEKS FOR EXTRA CREDIT!**

¥
You can do the HW through 0.5, #1.

**DAY
1: RECOMMENDED VIDEOS (MYWHYU): SETS AND INTERVALS**

Algebra 1 - Defining Sets

https://www.youtube.com/watch?v=GYlhVuGBl5E&list=PL20023FA07684B937&index=1

Algebra
2 - Set Equality and Subsets

https://www.youtube.com/watch?v=OYGYqRj9-ok&list=PL20023FA07684B937&index=2

Algebra
3 - Venn Diagrams, Unions, and Intersections

https://www.youtube.com/watch?v=uR70knMr2Hg&list=PL20023FA07684B937&index=3

Algebra
6 - Interval Notation and the Number Line

https://www.youtube.com/watch?v=JQuPaIYsivY&list=PL20023FA07684B937&index=6

Algebra
7 - Bounded versus Unbounded Intervals

https://www.youtube.com/watch?v=hajHB1XlKw0&index=7&list=PL20023FA07684B937

Algebra
8 - Unions of Intervals

https://www.youtube.com/watch?v=U8FxJ_XKFNQ&index=8&list=PL20023FA07684B937

Th (2/1; Day 2): Sections
0.5 (Part C) to 0.7. Look at Factoring Problems.

¥
You can do the HW through 0.7.

**DAY
2: IMAGES OF POWER**

Tu (2/6; Day 3): Sections
0.8 to 0.10.

¥
You can do the HW through 0.10.

¥
Next time, I will hand out black-and-white copies of 0.11, 0.12, and 0.15 in
class.

Th (2/8; Day 4): Sections
0.11 to 0.16. Bring questions (+ HW / Answer handouts), the old test, and the
online outline of exam topics for next time.

¥
You can do the HW for Ch.0. Only the Ch.0 HW is due at
the first exam.

¥
I will hand out black-and-white copies of 0.11, 0.12, and 0.15 in class.

**DAY
4: RECOMMENDED VIDEOS (MOSTLY MYWHYU): LINES**

Algebra
19 - Linear Equations y = mx

https://www.youtube.com/watch?v=IKp76EepRRM&list=PL20023FA07684B937&index=19

Algebra
20 - Slope-Intercept Form

https://www.youtube.com/watch?v=9zfJImNEEas&list=PL20023FA07684B937&index=20

Algebra
21 - Slope

https://www.youtube.com/watch?v=eBI1ulI1jec&list=PL20023FA07684B937&index=21

Algebra
22 - Point-Slope Form

https://www.youtube.com/watch?v=aM3MhYrI1C8&index=22&list=PL20023FA07684B937

Algebra
33 - Parallel Lines

https://www.youtube.com/watch?v=Q6phH6FTw34&list=PL20023FA07684B937&index=33

Algebra
34 - Perpendicular Lines

https://www.youtube.com/watch?v=guf2gp6XqY4&list=PL20023FA07684B937&index=34

¥ Slope Guy: https://s-media-cache-ak0.pinimg.com/originals/70/e1/44/70e1441d7e01ab40d56cbd0aa6bcaf29.png

FRIDAY
(2/9): CENSUS: BIG DEADLINE FOR ADD CODES, DROPPING WITHOUT A 'W', and REFUND
DEADLINE.

Tu (2/13; Day 5): Section
1.1 (skim the part before Example 8), and Section 1.2. Quiz 1A only covers
Ch.0, though. Questions. Bring questions (+ HW / Answer handouts), the old
test, and the online outline of exam topics.

¥
You can do the HW through 1.2. (Only the Ch.0 HW is
due at the first test, though.)

Th (2/15; Day 6): **QUIZ 1A (Chapter 0), HW DUE (Ch.0 only), BRING A SCIENTIFIC
CALCULATOR**. I will ask you to indicate
whether or not you can print the solutions off of my website.

¥ Section 1.3.

FRIDAY
(2/16) TO MONDAY (2/19): HOLIDAY / NO CLASSES – DOESNÕT AFFECT OUR CLASS

Tu (2/20; Day 7): Do
Sections 1.4, 1.5 (Parts F and G are optional reading for previewing calculus),
and 1.6. (We are skimming over domains of composite functions, as they are set
up in 1.6; you donÕt have to do those parts of the HW. Also, the word problems
in 1.6, Part F are optional reading.)

¥
You can do the HW through 1.6.

Th (2/22; Day 8): Do Sections 1.7 (Parts B and C), 1.8, 1.9, and 1.10 (and
skim Section 1.11, though 1.11 wonÕt be on your test). Can do HW for Ch.1. Bring
questions (+ HW / Answer handouts), the old test, and the online outline of
exam topics for next time.

¥ Think About It: What linear functions are their own inverses?
Think graphically. Think of a pair of dice adding up to 7 and the symmetries
therein.

Tu (2/27; Day 9): Sections 2.1 and 2.2. Questions. Bring questions (+
HW / Answer handouts), the old test, and the online outline of exam topics. Can do HW through 2.2.

Th (3/1; Day 10): **QUIZ 1B (Chapter 1), HW DUE (Ch.1 only), BRING A SCIENTIFIC
CALCULATOR**.

¥ Sections 2.3 and 2.4 (through Part
C, Notes 2.37). Can do HW through 2.4, #4.

MONDAY
(3/5): DEADLINE FOR PASS / NO PASS PETITIONS

Tu (3/6; Day 11): Finish
Section 2.4 and Do Section 2.5 and the ÒQFÓ Method for Factoring Quadratics; we will skip part I (on the Upper and Lower Bound Rules,
which will not be on our tests, though skim it sometime).

¥
You can do HW through 2.5.

Th (3/8; Day 12): Sections
2.6 and 2.7.

¥
You can do HW through 2.7.

Tu (3/13; Day 13): Do
Sections 3.1, 3.2, and 3.3.

¥
You can do HW through 3.3.

Th (3/15; Day 14): Do Sections 3.4/3.5, Do Section 4.1.
Bring questions (+ HW / Answer handouts), the old test, and the online outline
of exam topics for next time.

¥
You can do all of HW #2 and HW #3, 4.1.

Tu (3/20; Day 15): Do
Sections 4.2-4.4: Notes 4.08 through middle of 4.23 (through middle of Part C).
Questions. Can do HW #3 through 4.2-4.4, #8. Bring questions (+ HW / Answer
handouts), the old test, and the online outline of exam topics.

¥
Handout in class: Basic
Trig IDs (also in 5.1 notes)

Th (3/22; Day 16): **MIDTERM
2 (Chs. 2 and 3), HW DUE, BRING A SCIENTIFIC CALCULATOR
AND MAYBE SOME READING MATERIAL OR SOME HOMEWORK TO WORK ON IF YOU FINISH PART
1 EARLY**. The exam will be divided into two parts, with calculators
forbidden on the second part. You may want to bring reading material or work in
case you finish Part 1 early. You may leave after you are done with Part 2.

**SPRING BREAK (Mon., 3/26 THROUGH Sat.,
3/31): NO CLASSES ALL WEEK!**

Tu (4/3; Day 17): Notes
4.23 (bottom) to 4.52 (do 4.31-4.32 later). Finish Sections 4.2-4.4 (do Part F
later when we do 4.7 and Part G later when we do 4.8) and do Section 4.5. Can
do HW through 4.5.

Th (4/5; Day 18): Notes
4.53 to 4.79: Sections 4.6 and 4.7 (through Part D). Also, Part F from Sections
4.2-4.4 (Notes 4.31). Can do HW through 4.7, #4.

Tu (4/10; Day 19): Notes
4.80 to 4.92 (skip Part C on 4.93): Finish Section 4.7. Do Section 4.8. Also,
Part G from Sections 4.2-4.4 (Notes 4.32) on word problems. Do Section 5.1;
remember Handout: Basic
Trig IDs (also in 5.1 notes). Can do all HW for Ch.4 and 5.1. Bring
questions (+ HW / Answer handouts), the old test, and the online outline of
exam topics for next time.

Th (4/12; Day 20): Section
5.2. Start 5.3 (Part A). Notes 5.10 to 5.26. Discuss grades. Questions. Bring
questions (+ HW / Answer handouts), the old test, and the online outline of
exam topics. Can do HW through 5.3, #1h.

FRIDAY
(4/13): ÔWÕ DEADLINE (IF YOU STAY IN, YOU GET AN EVALUATIVE GRADE; IT MAY NOT
MATTER FOR REPETITION PURPOSES)

Tu (4/17; Day 21): **MIDTERM
3 (Ch. 4), HW DUE, BRING A SCIENTIFIC CALCULATOR AND MAYBE SOME READING
MATERIAL OR SOME HOMEWORK TO WORK ON IF YOU FINISH PART 1 EARLY**. The exam
will be divided into two parts, with calculators forbidden on the second part.
You may want to bring reading material or work in case you finish Part 1 early.
You may leave after you are done with Part 2.

Th (4/19; Day 22): Section
5.3 (finish), Sections 5.4 / 5.5 More Trig IDs Handout: Notes 5.27 to 5.41 and
Handout. Handout is given out in class, but here it is: Handout. Memorize the
IDs!! You do not have to memorize the product-to-sum IDs or the sum-to-product
IDs, although you may be called upon to use them. Can do HW #4 up through 5.3.

Tu (4/24; Day 23): Finish
Sections 5.4 / 5.5 (skim 5.53; it comes up in calculus), Do 6.1 and 6.2: Notes
5.42 to 5.52 and 6.01 to 6.17. Can do HW #4 up through 6.2.

¥
The optional notes on 5.53 are elaborated on in
Section 3.4 in Math 150: how
trig comes up in derivatives and limits of difference quotients.

Th (4/26; Day 24): Do 6.3
and 6.4; skim 6.5 (6.5 is not on your test; there is
an optional handout on this in the Notes for Midterm 4 page): Notes 6.18 to
6.38 [we skimmed 6.5]. Can finish HW #4. Bring questions (+ HW / Answer
handouts), the old test, and the online outline of exam topics for next time.

Tu (5/1; Day 25): Do Sections 7.1-7.3 and Start Section 7.4 through Part C: Notes
7.01 to 7.21. Questions. Can do HW through 7.4, #1. Bring questions (+ HW /
Answer handouts), the old test, and the online outline of exam topics.

Th (5/3; Day 26): **MIDTERM
4 (Chs. 5, 6), HW DUE, BRING A SCIENTIFIC CALCULATOR
AND MAYBE SOME READING MATERIAL OR SOME HOMEWORK TO WORK ON IF YOU FINISH PART
1 EARLY**. The exam will be divided into two parts, with calculators
forbidden on one part. You may want to bring reading material or work in case
you finish Part 1 early. You may leave after you are done with Part 2.

Tu (5/8; Day 27): Finish
7.4: Notes 7.22 to 7.35, Discuss 7.5, 7.6 (we're not "doing" them).
Start Section 8.1 (up through part of Part D, systems of two equations): Notes
8.01 to 8.14. In this class, we're doing a preview of the first three chapters
of: Math254.html. Can do all
HW on Ch.7 and some HW on 8.1 (up through #5, though #5 is optional).

Th (5/10; Day 28): Finish
Section 8.1: Notes 8.15 to 8.25, but Skip 8.22-8.23 and also Parts H and I
(8.26 to 8.33; this is not required material for the Final). Do Section 8.2:
Notes 8.15 to 8.46; we will Skim Part G (8.44-8.46). (We are skimming Sections
8.3 and 8.5, and they will not be on your Final; the HW for 8.3 and 8.5 is
optional.) Section 8.4: Notes 8.57 to 8.65 (8.66 on cross products is
optional). The notes for Linear Algebra (Math 254) will elaborate. Can do HW through 8.2 and 8.4 (8.3/8.5 is
optional).

Tu (5/15; Day 29): Do
Sections 9.1/9.6 (Skip *nPr*) and 9.2 (Skip Part
C): Notes 9.01 to 9.13. Most of Section 9.3 (Parts A, B, most of D; skip C):
Notes 9.15 to 9.18 and 9.22-9.23. Can do HW through 9.3, #5.

**DAY
29: SUM OF A GEOMETRIC SERIES**

¥
https://mrhonner.files.wordpress.com/2010/10/infinite-series-square.jpg

¥
http://takayaiwamoto.com/Sums_and_Series/gss_1_final.jpg

¥
https://s-media-cache-ak0.pinimg.com/736x/99/7c/f0/997cf0b234585befbe153ffb3c8e1a35.jpg

Th (5/17; Day 30): Sections
9.3 (Start with Part D, Skip Part C), 9.4, and 9.5 (see Math 119 notes and
websites on PascalÕs triangle: Notes for Quiz 2): Notes
9.24 to 9.32. Can do all HW through Chapter 9. If we have time: introduce Ch.10
(conic sections): Section 10.3. Can do HW for 10.3. Bring questions (+ HW /
Answer handouts) for next time, the old final, and the online outline of exam
topics.

**¥ FUN WITH PASCAL'S TRIANGLE: **The Magic of Pascal's
Triangle (Plinko from *The Price is Right*
and Word Jumbles).
Also: http://www.mathsisfun.com/pascals-triangle.html
É http://www.jcu.edu/math/isep/Quincunx/Quincunx.html** **É http://www.ms.uky.edu/~mai/java/stat/GaltonMachine.html
É http://en.wikipedia.org/wiki/Bean_machine** **(Wikipedia article) É http://en.wikipedia.org/wiki/Quincunx** **(Wikipedia article)

**¥ YOUTUBE GAME SHOW LINKS: ***The Price is Right / Plinko
*winner
(the Plinko board is in the second half): http://www.youtube.com/watch?v=vuMir11YFPs.
What does this have to do with PascalÕs triangle?

Tu (5/22; Day 31): Finish
Chapter 10. HW for 10.4 is optional. **WEÕLL
SEE HOW FAR WE GET WITH CHAPTER 10 IN CLASS.** Bring questions (+ HW / Answer
handouts), the old final, and the online outline of exam topics.

**¥ ANIMATION ON CONICS: **https://www.youtube.com/watch?v=HO2zAU3Eppo ; Corrections: (0:48-1:07) The double-nappe
cone (or simply ÒconeÓ) here should not be thought of as finite, so there are
no ÒbasesÓ and there is no Òbase perimeter.Ó The term ÒdirectrixÓ
is used elsewhere, especially when describing parabolas.

Th (5/24; Day 32): **FINAL,**
**HW DUE (YOU MAY WANT TO PHOTOCOPY IT IF YOU WON'T SEE ME LATER), BRING A
SCIENTIFIC CALCULATOR (WE MAY RUN OUT!)****.
LAST DAY FOR ALEKS EXTRA CREDIT.** Have a great break! Keep checking the
website.

END OF SEMESTER: SATURDAY, 5/26

GRADES AVAILABLE ONLINE

http://studentweb.sdccd.edu; you can
email me. Email me

Email me É MATH 141 HOME É HOME