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1TH/vwo §9.3 Working with formulas
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Slide 1:
Diapositive
Wiskunde
Middelbare school
vwo
Leerjaar 1
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Slide 1 - Diapositive
§ 9.3 Working with formulas
We've done so much with formulas, in § 9.1 and § 9.2:
+ shortening + simplifying + you name it!
However you might wonder:
What on earth can we DO with those formulas ?!
This burning question will be answered now!
Slide 2 - Diapositive
y = 12 - 4x - 2x
A
y = 12 - 6x
B
y = 6x
C
y = -16x
D
y 18x
Slide 3 - Quiz
u = -3c + 4c - 6 - 7
A
u = -c - 13
B
u = c - 13
C
u = c - 13
D
u = -c + 13
Slide 4 - Quiz
In this paragraph we will practise how to calculate the result (= outcome) of a formula
Slide 5 - Diapositive
Below are two examples.
Watch how the x sign returns, when filling in a number!
Slide 6 - Diapositive
A little more about the multiplication sign follows.
And about the order of operations, too.
Just watch the next slide!
Slide 7 - Diapositive
Here is some THEORY.
Next slides shows an EXAMPLE of this theory.
Slide 8 - Diapositive
And here is an example:
Slide 9 - Diapositive
There are a few more complicated exercises in this paragraph.
- That's why we now do one of them!
Making it easier to deal with
the others on your own,
later this lesson.
- Open your Notebook and get a pen, please.
Slide 10 - Diapositive
Slide 11 - Diapositive
Slide 12 - Diapositive
Make 22a in your
Notebook, now.
timer
1:30
Slide 13 - Diapositive
My final answer is: ........
Slide 14 - Carte mentale
SOLUTION:
Slide 15 - Diapositive
Now make 22b in your Notebook. Good luck!
timer
1:30
Slide 16 - Diapositive
Your teacher asks a few of you for your answer.
Slide 17 - Diapositive
Solution:
Slide 18 - Diapositive
Finally
make
22c in your Notebook.
timer
1:00
Slide 19 - Diapositive
Finally
make
22c in your Notebook.
Solution:
SOLUTIONjkhj
Solution:
Slide 20 - Diapositive
Homework: § 9.3
not 22, that we just did together.
HAVO and H/V: Do the Support path! More is explained there.
So instead of 17 you do S17 and instead of 21 you do S21.
VWO: make the Challenge path!
So instead of 20 and 22 do C5 and C6
Slide 21 - Diapositive
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