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

• Wiskunde
• Middelbare school
• vwo
• Leerjaar 1

program

lineair and quadratic formulas

sum of letters and product

homework exercises 35, 37

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

what is an example of a quadratic formula

1. 2x​2​​+3
2. 4x
3. 550x−100x​2​​
4. 100x+3900

what is an example of a lineair formula?

1. 100x​2​​+100x
2. 45x+1938
3. 20x+100x​2​​
4. 100+12x−12x​2​​

y= 2x -4

y= x² - 4

make exercise 39 and 40

15 minutes 

done? take a little break

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

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 )

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

can you spot the steps?

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

make exercise 

43, 46

y= -0.5x²+ 4.5

y= -0,04x² + 26

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