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1TTO §7.4 Making formulas for graphs
§7.4 Making formulas for graphs
This subject, MAKING them yourself, is sometimes found the most difficult from the whole chapter.
However the book gives us a clear strategy how to do this.
First of all: straight lines -> y = 0x + 3
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havo, vwo
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§7.4 Making formulas for graphs
This subject, MAKING them yourself, is sometimes found the most difficult from the whole chapter.
However the book gives us a clear strategy how to do this.
First of all: straight lines -> y = 0x + 3
Video Moderne Wiskunde
(site !)
Video Wiskundeacademie
Slide 1 - Slide
Dagopening?
Start right here
Gebed
Bijbelstukje
Slide 2 - Slide
§7.4 Making formulas for graphs
This subject, MAKING them yourself, is sometimes found the most difficult from the whole chapter.
However the book gives us a clear strategy how to do this.
So pay attention well!
Video Moderne Wiskunde
(site !)
Video Wiskundeacademie
Slide 3 - Slide
First of all...
Take the usual materials before you:
+ Notebook, Textbook
+ Pen, pencil, geo triangle
+ Because we are going to do the first homework exercise 25, p.218 now!
Slide 4 - Slide
Exercise 25, p.218 we make together, now.
+ Think hard about every question.
+ Everyone may get the turn to give the answer.
+ Write down the correct result in your Notebook.
Slide 5 - Slide
8
Slide 6 - Slide
By chance is decided who gives the answer
to this question.
Finally we all write down the correct answer.
Slide 7 - Slide
answer to 25a:
The graph starts at (0,0) or
the origin
.
(That's the same.)
Slide 8 - Slide
answer 25b:
Slide 9 - Slide
At question c,
a short Calculation is needed!
So, ..........., tell us how to calculate
the answer.
Slide 10 - Slide
answer 25c:
Slide 11 - Slide
Now question d.
Use the answer(s) we already have.
......., what is your answer?
Slide 12 - Slide
answer 25d:
The formula becomes:
'length x 0.80 = price'
So ' 0.80 ' had to be filled in.
Slide 13 - Slide
Suppose you don't have any start of a Formula.
You only have a Graph.
How to make the Formula now? See next slides.
Slide 14 - Slide
Slide 15 - Slide
Slide 16 - Slide
Exercise 28 ......
+ You're going to do right now, in your Notebook
+ Keep the Textbook, p.218/219 opened,
+ for following the 4 steps Method, we just discussed.
+ So write down all 4 steps, not just the answer!
timer
5:00
Slide 17 - Slide
+ here's the exercise,
that is also in your book,
of course.
Slide 18 - Slide
Solution 28a:
Compare to your own work and if needed, add or correct!
Slide 19 - Slide
Homework time, doing §7.4.
Slide 20 - Slide
Part 2 making formulas
Slide 21 - Slide
S28
Slide 22 - Slide
4 Stappen:
1. maak tabel
2. zoek startgetal
3. zoek stijging PER-getal (dus wat gebeurt er als op horizontale as +1 gaat?
4. formule -> verticaal = .........X horizontaal (+ startgetal)
Slide 23 - Slide
Tekst
Slide 24 - Slide
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