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MATH 141 – GOODIES FOR CHAPTER 0 (QUIZ 1A)

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FREE ONLINE GRAPHERS!

DESMOS

https://www.desmos.com

 

• Use shift-6 “^” for exponentiation.

 

• Put restrictions in { }.

 

• To adjust the window, click on the wrench in the upper-right-hand corner.

• You can zoom in and out on graphs.  The + and - buttons in the upper-right-hand corner can help.

• In the left column, click on the wheel to change colors and see tables of values.  You can adjust x-coordinates in the table and see different points.

• You can plot points such as (1,2) and then label them.

• Try entering y=mx+b … you can play with the sliders for m and b.

• Click on “X” to delete an equation and a graph.

• Click on << to hide the left column.

• Click on the little keyboard to see keys and more functions.

 

 

GEOGEBRA

https://www.geogebra.org

 

(This has more with 3D graphing.

Try: z = x^2 + y^2 and x^2 + y^2 + z^2 = 1)

 

 

JUST FOR FUN

• If you forget what I look like (Bobby Lee)

https://www.youtube.com/watch?v=gTV5B1lBG_M

 

 

FUN CLASS LINKS

 

 

• 0.1: On bigger sets of numbers (with nice infographic):

https://www.wired.com/story/the-peculiar-math-that-could-underlie-the-laws-of-nature/

• 0.1: Infinity (Bill and Ted)

https://www.youtube.com/watch?v=Al1iIUPpMVs

 

• 0.4: Absolute Value (Futurama and Breaking Bad)

(Actually, nonnegative …)

 

https://www.facebook.com/scalarlearning/photos/a.1721218978095404/2288548271362469/?type=3

 

https://www.reddit.com/r/mathmemes/comments/gl8ous/absolute_value_of_sadness/

 

https://www.facebook.com/map.lb/photos/a.1321112027984189/4459194880842539/?type=3

 

https://www.amazon.com/AVOID-NEGATIVITY-Funny-Absolute-Sweatshirt/dp/B0C6FYK2BT?customId=B078RZCQZR&customizationToken=MC_Assembly_1%23B078RZCQZR&th=1

 

 

 

• 0.5: sqrt(3) poem

WARNING: profanity 0:28-0:40 on captions

https://www.youtube.com/watch?v=VC7Z284HwD0

• 0.5: Siri on 0/0

https://www.youtube.com/watch?v=xOhq_cjOGNo

• 0.5: TED talk on dividing by 0:

https://www.youtube.com/watch?v=NKmGVE85GUU

 

• 0.6: (a+b)^2 memes

 

In pictures:

https://byjus.com/maths/a-b-whole-square/

 

 

JOKES:

 

Tough teacher

https://knowyourmeme.com/photos/1359549-mathematics

 

Classic

https://www.facebook.com/MathMemes/photos/a.357095867667251/1723367037706787/?type=3

 

Full name

https://www.reddit.com/r/dankmemes/comments/ksqnya/math_meme/

 

 

• 0.6: Powers of (a+b): by Art of Mathematics

We will discuss the Binomial Theorem in 9.5:

https://www.facebook.com/MathAwesomeness/photos/geometry-speaks-without-words/637928679730184/?paipv=0&eav=AfYRlbFC_FfZKkxVp79h3-149Xu3OTJRYbR6UAUgytEy3l3w2gIceTMsymH9i3rRuVg&_rdr

 

 

 

• 0.9: HOMICIDAL, COFFEE-OBSESSED KERMIT KILLING MONSTERS (FOR MOTIVATION) (WARNING: CARTOONY VIOLENCE!)

https://www.youtube.com/watch?v=9XdAT4HC1T8  (SUMMARY)   

https://www.youtube.com/watch?v=LmhIizQQol0  (LONG VERSION)   

 

• 0.11: Quadratic Formula (QF) song (very catchy!)

https://www.youtube.com/watch?v=IfpkQVyqK7c

 

 

• 0.12: Absolute Value Equations

https://twitter.com/howie_hua/status/1473490740185481217/photo/1

 

• 0.14: Lines

 

South Park on lines

http://southpark.cc.com/clips/152796/lines-lines-lines

At parties

https://9gag.com/gag/abGmWGE

Mr. Slope Guy

http://mathhombre.blogspot.com/2012/03/mr-slope-guy.html

Different slopes (it’s not really a triangle!)

http://www.visguy.com/2022/03/19/disappearing-square-illusion/#

 

 

• 0.15: Geometry

 

Area of a circle

https://www.facebook.com/IloveMathematics91/videos/1254163101589486/

 

The cylinder volume formula at 0:15 is good! (Better Off Dead)

https://www.youtube.com/watch?v=mmdVqCNev6Q

 

Pumpkin pie

https://www.dailykos.com/stories/2085725/full_content

 

The difference between a diameter and a radius

https://www.reddit.com/r/memes/comments/n8gp53/diameter_radius_radius/

 

18-inch (diameter) pizza vs. two 12-inch pizzas

https://mashable.com/article/twitter-pizza-debate-18-12-inch

 

Volume = Pizza

https://www.reddit.com/r/Damnthatsinteresting/comments/xycs16/if_we_let_z_be_the_radius_of_a_pizza_and_a_be_the/

 

NASA confession

https://www.reddit.com/r/physicsmemes/comments/p1e3ic/when_i_grow_up_i_wanna_be_like_him/

 

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