1TH/vwo Ch9 REFRESH

• Wiskunde
• Middelbare school
• havo, vwo
• Leerjaar 1

1TH/vwo Ch9 REFRESH

Let's look at  few important fine points from this paragraph.

It is quite a long paragraph, so this Lessonup will not take that much time from you.

These tasks cannot be answered with a number as outcome only.

Look in the next slide how to WORK OUT the tasks.

This is what it takes!

Complete calculations, 

followed by the final answer.

The main thing here is question c, the GRAPH!

Contrary to the work on the last test by quite a few of you,

MAKE A GOOD GRAPH!

Let us sum up in the next slide, what it takes to do this.

In dutch we call this:  'kwaliteitscriteria', meaning:

what things make a good graph?

To make a good graph, the following is important:

We saw some important aspects, mentioned by you.

Below follows a list of them:

- the RIGHT MATERIALS: pencil, geo triangle, eraser

- drawing STRAIGHT LINES

- erase and no crossing out

- LABEL both axes

- mind a good SCALE on both axes

Above you see a good example of a GRAPH, drawn according

the rules we just summed up.

I'd like to emphasize question c:

Make a formula that corresponds to the graph!

Watch the next slide for a short Refresh - example.

Homework time

Do p.92/93 Refresh now.

Correct your work with the Solutionsbook.

Take a few pics and

send them in in GC.

Good luck.