
Repsaso de Cubo de un Binomio 3T 3°AS
Authored by Celso Chacolla
Mathematics
9th Grade

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9 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
¿Cuál es la fórmula del cubo de un binomio?
(a + b)³ = a³ + 3a²b + 3ab² + b³
(a + b)³ = a² + 2ab + b²
(a + b)³ = a³ + 3ab + b³
(a + b)³ = a³ + 2ab + b³
2.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Calcula el cubo de (x + 2).
x^3 + 8x^2 + 16x + 16
x^3 + 4x^2 + 8x + 4
x^3 + 6x^2 + 12x + 8
x^3 + 3x^2 + 6x + 1
3.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Si a = 4, ¿cuál es el valor de (a + 1)³?
64
27
100
125
4.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
¿Qué término se obtiene al expandir (x - 5)³?
x³ - 20x² + 100x - 200
x³ - 5x² + 10x - 5
x³ - 10x² + 25x - 50
x³ - 15x² + 75x - 125
5.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Si b = 2, ¿cuál es el resultado de (b + 3)³?
100
81
125
64
6.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Calcula (x + 1)³ - (x - 1)³.
4x² + 3
2x² + 1
6x² + 2
8x² - 2
7.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Si c = 3, ¿cuál es el valor de (c - 2)³?
-1
8
0
1
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