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wiskunde bewijs
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Created by
Jorun Bogaerts
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Cards (23)
Bewijs
afleiding van de
discriminant
-> het aantal oplossingen (=nulwaarden) van een
tweedegraadsvgl
ax²
+
bx
+
c
=
0
4a.
(ax²+bx+c) =
0.4a
Beiden
leden
. met 4a
4a²x²
+
4abx
+
4ac
= 0
4a²x² + 4abx +
b²
+
4ac
= 0
+
b²
beiden leden tellen we b² op
(2ax+b)²
= b² -
4ac
D
=b²-
4ac
(
2ax
+b)² = D
D>
0
-> geen
nulwaarde
D > of = 0 ->
2
nulwaarden
D>0 : (
2ax
+b)² = D
2ax
+ b =
vD
2ax
=
vD
- b
x =
vD
-b /
2a
x = -b +
vD
/
2a
of
2ax + b =
vD
2ax =
vD
- b
x = -
vD
- b / 2a
x = -b -
vD
/ 2a
-> D=0 -> 1
nulwaarde
x1=x2=
-b
/
2a
What is the French term for "to move" or "to circulate"?
Se déplacer
/
circuler
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What is the French word for "displacement"?
Le déplacement
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What is the French term for "traffic"?
La circulation
,
le trafic
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Why is it important to choose a mode of transport?
It affects how one
moves
from one
place
to another.
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What does "se rendre à" mean in English?
To
go to
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What is the meaning of "retourner" in French?
To
return
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How would you say "He returned to France" in French?
Il a regagné la France
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What does "traverser" mean in English?
To
cross
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What is the French term for "to cross the border"?
Franchir la frontière
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What does "l'essor de la mobilité douce" refer to?
The
rise
of soft, alternative,
responsible mobility.
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What is the Dutch term for "to move" or "to circulate"?
Zich verplaatsen
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What is the Dutch word for "displacement"?
De verplaatsing
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What is the Dutch term for "traffic"?
Het verkeer
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Why is it important to choose a mode of transport in Dutch?
Het
beïnvloedt
hoe men van de ene plaats naar de
andere
gaat.
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What does "gaan naar" mean in English?
To
go to
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What is the meaning of "terugkeren naar" in Dutch?
To return to
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How would you say "He returned to France" in Dutch?
Hij
is
naar Frankrijk teruggekeerd
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What does "de grens oversteken" mean in English?
To
cross
the
border
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What does "de opkomst van zachte, alternatieve, verantwoordelijke mobiliteit" refer to?
The rise of soft, alternative, responsible mobility.
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