Quadratische Funktionen Flashcards

1
Q

Quadratische Funktion

A

f(x)=ax²+bx+c

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2
Q

Normalparabel

A

f(x)=x²
a=1

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3
Q

Normalperabel
|a| > 1

A

Entlang y-Achse gestreckt
-> enger

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4
Q

Normalperabel
|a| < 1

A

Entlang y Achse gestaucht
->weiter

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5
Q

Normalperabel
a= negativ

A

Spiegelung des Graphen entlang y Achse

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6
Q

Paeameter n

A

Verschiebung entlang der y-Achse

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7
Q

f(x)=2(x-3)²
m=?

A

m=3
-> Verschiebung nach rechts

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8
Q

Scheitelpunktform

A

f(x)= a(x-m)²+n
S=(m|n)

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9
Q

Hauptform

A

f(x)=ax²+bx+c

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10
Q

Scheitelpunkt aus Hauptform

A

( b | 4ac-b² )
S= ( – — |——— )
( 2a| 4a )

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11
Q

N=?

A

N=(n|0)

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12
Q

Definitionsmenge

A

Für x einsetzen

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13
Q

Wertemenge

A

Für y rauskommen

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14
Q

pq Formel

A

___________
p | ( p ) ² ‘
x , = - — + | (— ) - q
¹ ² 2. - |( 2 )

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15
Q

3er Stau von Vieta

A

(x-x ) • (x- x ) = x² +p•x+q
¹ ²

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16
Q

Linearfaktorform

A

f(x) = a•(x-x ) • (x- x )
¹ ²