2Tvwo Ch9 REFRESH

Ch 9 REFRESH
First some questions to see what you still know
from 1st Form,
because the content from this § is taken from Books
1A and 1B.
But it has been a while since you worked with those books...
1 / 19
Slide 1: Tekstslide
WiskundeMiddelbare schoolvwoLeerjaar 2

In deze les zitten 19 slides, met interactieve quizzen en tekstslides.

Lesduur is: 50 min

Onderdelen in deze les

Ch 9 REFRESH
First some questions to see what you still know
from 1st Form,
because the content from this § is taken from Books
1A and 1B.
But it has been a while since you worked with those books...

Slide 1 -Tekstslide

What is a linear formula?

Slide 2 -Woordweb

It is a formula for which the graph is a straight line.
or:
It is a formula with two variables, that corresponds to a straight line.

Slide 3 -Tekstslide

y = -5x + 6
Which statement(s) is (are) true?
A. 6 is the y-intercept                B. -5 is the y-intercept

y = -5x + 6
A
6 = y-intercept
B
-5 = y-intercept
C
D

Slide 5 -Quizvraag

Write without brackets:

Slide 6 -Tekstslide

Write without brackets:
u = 6 (3p + 5)
a. 9p + 11                                       b. 18p + 30
c. 30 + 18p                                   d. 48p
Key in in next slide!

Slide 7 -Tekstslide

Work out = 6(3p + 5)
A
u = 9p + 11
B
u = 18p + 30
C
u = 30 + 18p
D
u = 48p

Slide 8 -Quizvraag

There are (at least) two ways of solving this!
+ with a Multiplication Table or
+ with the Parrot's Beak

Slide 9 -Tekstslide

Solution 1 (mutiplication table):

Slide 10 -Tekstslide

Solution 2 (parrot's beak):

Slide 12 -Tekstslide

The final topic of the Refresh:

Slide 13 -Tekstslide

Instruction Movie (dutch):
After this LessonUp,
Watch this fine Movie!
It makes very clear how to solve equations.

Slide 14 -Tekstslide

From this movie you've learned how to do R5:

Slide 15 -Tekstslide

The following is very important:
Solving such an equation cannot be like this:

???????

Slide 16 -Tekstslide

The answer just came 'falling from the sky' !?

Slide 17 -Tekstslide

Solving means working out, step by step, as below:
The Method used, here, it called:
the CARD method.
Do you remember from 1st Form?!

Slide 18 -Tekstslide

Homework time.
The best of luck, doing Refresh Ch 9, p.86/87.
I am going to comment on your Homework now.
If you are stuck and need a little help:
I am around and available to answer you by mail!