3Tvwo § 5.4 COMBINATIONS

§ 5.4 Combinations
is today's content.
However, we shortly look back at the previous § -s.
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§ 5.4 Combinations
is today's content.
However, we shortly look back at the previous § -s.

Slide 1 - Diapositive

§ 5.2 Moving vertically

In § 5.2 you have learnt to move a graph up, 
vertically.
Here you see an example of this.

Slide 2 - Diapositive

In § 5.3 you have learnt how to multiply a graph. Watch this example:

Slide 3 - Diapositive

What is the big difference between
a. moving vertically and
b. multiplying ?
A
a. gives another shape b. does not
B
In fact it comes down to the same thing.
C
At a. the graph may go to right or left; not at b.
D
a. keeps the same shape of the graph b. the shape of the graph changes

Slide 4 - Quiz

Now it is time for combining both activities in:

§ 5.4 COMBINATIONS 

Slide 5 - Diapositive

Do: exercise 20 and 21
In 5 minutes we will check 20 together.
Where making them?
In your Workbook and Notebook!
Forgotten your Workbook?
Then copy the graphs in your Notebook and do the tasks!
timer
5:00

Slide 6 - Diapositive

Question about 20b:
Graph h, the 2nd one that you drew in exercise 20,
is ........................... than graph f.
A
narrower and lower
B
wider and lower
C
wider and higher
D
narrower and higher

Slide 7 - Quiz

We

Slide 8 - Diapositive

STUDY SQUAREis OPEN!
In class we move on, a bit,
with this 
LESSONUP.

Slide 9 - Diapositive

Statement:
If you change the order of Moving vertically and Multiplying, this will give the same result!
A
True.
B
I have no clue.
C
Not true.
D
Impossible to say.

Slide 10 - Quiz

Why would it make any difference?
Let us watch 2 examples!

Slide 11 - Diapositive

1st:    - 2, 
2nd:  x 1/2

Slide 12 - Diapositive

1st:    x 1/2
2nd:  - 2
Do you notice 
the differences?  

Slide 13 - Diapositive

The final graph of example 2 is ...........
A
just the same as the final graph in example 1
B
1 lower than the final graph in example 1
C
1 higher than the final graph in example 1
D
exactly the same shape as the final graph in example 1

Slide 14 - Quiz

You can see it better with both pictures in the same slide!
Now you  
see the difference:
The final graphs, h(x) 
and j(x),
are the same, but 
 in different places!

Slide 15 - Diapositive

Time for a Joke?
Ask your teacher!

Slide 16 - Diapositive

Slide 17 - Diapositive

Now do exercise 22, etcetera.
ATTENTION:
Something misses out in this exercises.
Please add -with pencil only!!- after:
'parallel to the y-axis' :
by 1/2
timer
8:00

Slide 18 - Diapositive



Want a help, drawing the graphs, at 22a ?

Slide 19 - Diapositive

If so, 
watch this!

Slide 20 - Diapositive

22 c 
and d

In the next 
slide you see 
all graphs 
together!

Slide 21 - Diapositive

Slide 22 - Diapositive

one more joke?
let's have it!

Slide 23 - Diapositive

Slide 24 - Diapositive

Go on now, with § 5.4
timer
10:00

Slide 25 - Diapositive

Explanation about p.172:
A handy DIAGRAM is introduced,
to find the resulting Formula, 
after doing some 
Moving and Multiplying. Just watch the next slide!

Slide 26 - Diapositive

HANDY DIAGRAM:

Slide 27 - Diapositive

Use this DIAGRAM-method also for 25, 26 and 27!

Slide 28 - Diapositive

Finish § 5.4
Do not forget to check your answers with the
SOLUTIONSBOOK!

Slide 29 - Diapositive

What did you learn in this lesson?

Slide 30 - Carte mentale

Slide 31 - Diapositive