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2Tvwo §11.3 Fact. trinomials (2)
§11.3 Factorising trinomials (2)
We divide up in two groups:
Please open up your Notebook and
Show your Homework: 18 t/m. 21
Together with your teacher it will be made clear if you
+ understand it, or
+ not
1 / 17
next
Slide 1:
Slide
Wiskunde
Middelbare school
havo, vwo
Leerjaar 2
This lesson contains
17 slides
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text slides
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1 video
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Lesson duration is:
50 min
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§11.3 Factorising trinomials (2)
We divide up in two groups:
Please open up your Notebook and
Show your Homework: 18 t/m. 21
Together with your teacher it will be made clear if you
+ understand it, or
+ not
Slide 1 - Slide
§11.3 Factorising trinomials (2)
We divide up in two groups:
GROUP A: You have succesfully made 18 t/m 21 for today.
In that case: You can Finish the paragraph: making exercises 22, 23, 24, 25
GROUP B: see next slide.
Slide 2 - Slide
§11.3 Factorising trinomials
We divide up in two groups:
GROUP B: You have NOT succesfully made 18 t/m 21 for today.
You do NOT understand §11.3 yet.
In that case, you get the following explanation!
Slide 3 - Slide
So group A, now make your choice:
You MAY NOW START MAKING:
22, 23, 24, 25. and choose between making S19+S20 or C5+C6.
Of course you may also follow this LessonUp first, to learn more
about it!
Slide 4 - Slide
Why it works like this,
is explained in the next slides!
Slide 5 - Slide
Slide 6 - Slide
Slide 7 - Video
Now a task for you follows!
Slide 8 - Slide
Task 1:
- open your Notebook
- COPY the Task on the following slide,
- make the TABLE for the PRODUCT -like the one you just saw.
Slide 9 - Slide
Task 1:
Make the TABLE for:
timer
1:00
Slide 10 - Slide
Solution:
Slide 11 - Slide
Task 2:
FACTORISE (making a good use of the TABLE!):
timer
0:30
Slide 12 - Slide
Solution:
The factorisation of:
is:
This is because: -5 x -3 = 15 (the Product) and
-5 + -3 = -8 (the Sum)
h
=
(
t
−
5
)
(
t
−
3
)
Slide 13 - Slide
Task 3: see next slide!
The same as with task1:
- Copy the Task in your Notebook
- Make the Table for the Product
- Make the factorisation
Slide 14 - Slide
Task 3: Factorise:
Note: do this with or without a TABLE!
timer
1:00
Slide 15 - Slide
Factorise: Solution:
So the Solution is:
Slide 16 - Slide
Homework GROUP B:
Make, correct and
hand in, in Google Classroom: §11.3
18. t/m. 25
TIP: if it is still difficult for you, consult the METHOD on p.175 again!
Slide 17 - Slide
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