6.2/6.3 exercise 39 , 40, 43,....

program

lineair and quadratic formulas

sum of letters and product

homework exercises 35, 37

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Slide 1: Slide

WiskundeMiddelbare schoolvwoLeerjaar 1

This lesson contains 20 slides, with interactive quizzes and text slides.

Items in this lesson

program

lineair and quadratic formulas

sum of letters and product

homework exercises 35, 37

Slide 1 - Slide

lesson goal

recognize the difference between a lineair and an quadratic formula

rewrite a sum of letters into a product

simplify a given exercise like 3x * 4y * 2z

Slide 2 - Slide

what is an example of a quadratic formula

2 x^{​ 2 ​ ​} + 3

4 x

550 x - 100 x^{​ 2 ​ ​}

100 x + 3900

Slide 3 - Quiz

what is an example of a lineair formula?

100 x^{​ 2 ​ ​} + 100 x

45 x + 1938

20 x + 100 x^{​ 2 ​ ​}

100 + 12 x - 12 x^{​ 2 ​ ​}

Slide 4 - Quiz

y= 2x -4

y= x²- 4

Slide 5 - Slide

Slide 6 - Slide

make exercise 39 and 40

15 minutes

done? take a little break

questions? first try your neighbour . Then ask the teacher.

Slide 7 - Slide

Slide 8 - Slide

Slide 9 - Slide

6.3 letters

just as 3 + 3 + 3 + 3 + 3 is the same as 5 * 3

is a + a + a + a the same as 4 * a

( but we alway write it down as 4a )

Slide 10 - Slide

how can we write p + p + p + p + p + p

Slide 11 - Open question

Slide 12 - Slide

can you spot the steps?

timer

1:00

Slide 13 - Slide

simplify the following
3a * 2b * 1c =

Slide 14 - Open question

make exercise

43, 46

Slide 15 - Slide

Slide 16 - Slide

Slide 17 - Slide

y= -0.5x²+ 4.5

Slide 18 - Slide

y= -0,04x² + 26

Slide 19 - Slide