8-4 Quadratic equations

8-4 Quadratic equations

What you need: - Textbook, writingbook, iPad - Pen, pencil, geotriangle - Calculator


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Slide 1: Diapositive
WiskundeMiddelbare schoolhavoLeerjaar 3

Cette leçon contient 24 diapositives, avec quiz interactifs et diapositives de texte.

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8-4 Quadratic equations

What you need: - Textbook, writingbook, iPad - Pen, pencil, geotriangle - Calculator


Schoolbags in the cuboard
Phones in the phonebag
Bluetooth 
- ON
- VPN off

Slide 1 - Diapositive

                         Lesson goals
Choosing the easiest way to solve a quadratic equation.

Slide 2 - Diapositive

timer
5:00

Slide 3 - Diapositive

Slide 4 - Diapositive

timer
7:00

Slide 5 - Diapositive

26a
A
x=1,83 or 3.83
B
x=-1,83 or 3.83
C
x=1,83 or -3.83
D
no solution

Slide 6 - Quiz

26b
A
t=7 or t=1
B
t=-7 or t=1
C
t=7 or t=-1
D
no solution

Slide 7 - Quiz

26c
A
x=2 or x=6
B
x=-2 or x=6
C
x=2 or x=-6
D
no solution

Slide 8 - Quiz

26d
A
r=2 or r=1
B
r=2 or r=-1
C
r=-2 or r=-1
D
no solution

Slide 9 - Quiz

26e
A
p=2,37 or p=3,37
B
p=2,37 or p=-3,37
C
p=-2,37 or p=3,37
D
no solution

Slide 10 - Quiz

26f
A
x=-2,32 or x=-4,32
B
x=-2,32 or x=4,32
C
x=2,32 or x=-4,32
D
no solution

Slide 11 - Quiz

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Slide 13 - Diapositive

timer
15:00

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Slide 18 - Diapositive

Try on your own
1, 2, 5 and 7
RULES:
  • In your writingbook
  • Use: Textbook
  • Discussion when you are stuck is allowed


Extra excercise: none
Challenge: none
Now try: 27, 28

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