

kwadratische vergelijkingen oplossen
Presentation
•
Mathematics
•
3rd Grade
•
Practice Problem
•
Easy
Bas Verhoeks
Used 8+ times
FREE Resource
5 Slides • 3 Questions
1
kwadratische vergelijkingen oplossen
Hoofdstuk 6

2
wat gaan we doen?
Je krijgt telkens een vergelijking te zien en die ga je oplossen. Indien nodig: afronden op 2 dec. Je krijgt per vraag 3 minuten en je hoeft alleen je antwoord in te vullen.
Bijv: x=... V x=...
3
Open Ended
x2+6x=0
4
Oplossing
- x2+6x=0
x(x+6)=0
x=0 V x+6=0
x=0 V x =−6
5
Open Ended
3x2−5x+2=0
6
Oplossing
3x2−5x+2=0
a=3 b=−5 c=2
D=(−5)2−4⋅3⋅2=1
x=2⋅3−−5 + 1=1
x=2⋅3−−5 − 1≈0.67
7
Open Ended
x2−7x+6=0
8
Oplossing
x2−7x+6=0
(x−6)(x−1)=0
x−6=0 V x−1=0
x=6 V x=1
kwadratische vergelijkingen oplossen
Hoofdstuk 6

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