welcome to mat137! l0801 hello, i’m mihai (pronounced ......welcome to mat137! l0801 hello, i’m...

Welcome to MAT137! L0801

Hello, I’m Mihai (Pronounced ME + HI)

My e-mail: m.alboiu@mail.utoronto.ca (Please includeMAT137 in the subject line)

My Office Hours: Wednesdays, 12:30pm-2:30pm ET(Zoom link in Quercus announcement)

The website is live:https://www.math.toronto.edu/malboiu/mat137/home.html

Mihai Alboiu MAT137 21 October 2020 1 / 11

Things to do

Visit the main course website:

Read the course outline (all of it!)

Save the test dates and assignment due dates

Online forum – Piazza

Precalculus review: http://uoft.me/precalc

Before next class:

Watch videos: 1.1-1.3Download the Preliminary Class Slides (You don’thave to look at them)

Mihai Alboiu MAT137 21 October 2020 2 / 11

Agenda

Classes begin at 10:10am ET

Today’s Topics: Introduction

Before next class:

Watch videos: 1.1-1.3Download the Preliminary Class Slides

(You don’t have to look at them)

Assignment One has been posted!

Due: 5 November

Mihai Alboiu MAT137 21 October 2020 3 / 11

Where Are We Now?

Mihai Alboiu MAT137 21 October 2020 4 / 11

Where Did We Come From?

Mihai Alboiu MAT137 21 October 2020 5 / 11

Quick exercise

Take 45 seconds to look over the following list of pairs of words,but do not write anything down.

bread/b tter ocean/breezeleaf/tree music/l ricssweet/sour sh e/sockphone/bo k movie/actresschi s/salsa gasoline/enginehigh school/college pen il/paperriver/b at turkey/stuffingfruit/vegetable be r/winecomputer/chip television/rad ol nch/dinner chair/couch

Mihai Alboiu MAT137 21 October 2020 6 / 11

Quick exercise

Take 45 seconds to look over the following list of pairs of words,but do not write anything down.

bread/b tter ocean/breezeleaf/tree music/l ricssweet/sour sh e/sockphone/bo k movie/actresschi s/salsa gasoline/enginehigh school/college pen il/paperriver/b at turkey/stuffingfruit/vegetable be r/winecomputer/chip television/rad ol nch/dinner chair/couch

Mihai Alboiu MAT137 21 October 2020 6 / 11

What do you remember?

Write down as many pairs of words as you can.

You do not need to remember which letters

were missing or which column they were in.

Mihai Alboiu MAT137 21 October 2020 7 / 11

What did you remember?

Mark each pair you remembered as “A” or “B”

A B

ocean/breeze bread/b tterleaf/tree music/l ricssweet/sour sh e/sockmovie/actress phone/bo kgasoline/engine chi s/salsahigh school/college pen il/paperturkey/stuffing river/b atfruit/vegetable be r/winecomputer/chip television/rad ochair/couch l nch/dinner

Table: Word list from The Talent Code (by Daniel Coyle).

Mihai Alboiu MAT137 21 October 2020 8 / 11

Why?

Most of you guessed more B-words than A-words.

Why do you think this happened?

Type your explanation in thechat,

but DON’T PRESS ENTER.

Mihai Alboiu MAT137 21 October 2020 9 / 11

What are proofs good for?

Pick 4 points at random on a circle.

Join every pair of points.

In how many regions is the circle divided?

Mihai Alboiu MAT137 21 October 2020 10 / 11

What are proofs good for?

# of points # of regions

4 85

Mihai Alboiu MAT137 21 October 2020 11 / 11

What are proofs good for?

# of points # of regions

4 85 16

Mihai Alboiu MAT137 21 October 2020 11 / 11

What are proofs good for?

# of points # of regions

1234 85 16

Mihai Alboiu MAT137 21 October 2020 11 / 11

What are proofs good for?

# of points # of regions

1 12 23 44 85 16

Mihai Alboiu MAT137 21 October 2020 11 / 11

What are proofs good for?

# of points # of regions

1 12 23 44 85 16

N

Mihai Alboiu MAT137 21 October 2020 11 / 11

What are proofs good for?

# of points # of regions

1 12 23 44 85 166N

Mihai Alboiu MAT137 21 October 2020 11 / 11

What are proofs good for?

# of points # of regions

1 12 23 44 85 166 31N

Mihai Alboiu MAT137 21 October 2020 11 / 11

What are proofs good for?

# of points # of regions

1 12 23 44 85 166 31N ???

Mihai Alboiu MAT137 21 October 2020 11 / 11