
Die erste binomische Formel verstehen
Authored by Tim Kantereit
Mathematics
8th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Was ist die erste binomische Formel?
(a - b)² = a² + 2ab + b²
(a + b)² = a² - 2ab + b²
(a + b)² = a² + 2ab + b²
(a + b)² = a² + b²
2.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Berechne (x + 3)².
x² + 6x + 6
x² + 9
x² + 6x + 9
x² + 3x + 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Erkläre die Bedeutung von a² + 2ab + b².
Der Ausdruck steht für die Summe der Quadrate von a und b.
Der Ausdruck beschreibt die Differenz von a und b.
Der Ausdruck steht für die Quadratur der Summe von a und b.
Der Ausdruck ist die Formel für die Fläche eines Rechtecks.
4.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Wie lautet die allgemeine Form der ersten binomischen Formel?
(a + b)² = a² - 2ab + b²
(a + b)² = a² + 2ab + b²
(a - b)² = a² + 2ab + b²
(a + b)² = a² + b²
5.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Berechne (2x + 5)².
2x² + 5x + 5
4x² + 20x + 25
(2x + 5)(2x - 5)
4x² + 10x + 25
6.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Was passiert, wenn du (x - 4)² ausmultiplizierst?
x² - 4x + 4
x² - 16
x² + 8x + 16
x² - 8x + 16
7.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Nenne ein Beispiel für die Anwendung der ersten binomischen Formel.
(x + 3)² = x² + 6x + 9
(x + 1)² = x² + 2x + 1
(x - 3)² = x² - 6x + 9
(x + 2)² = x² + 4x + 4
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