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Repsaso de Cubo de un Binomio 3T 3°AS

Authored by Celso Chacolla

Mathematics

9th Grade

Repsaso de Cubo de un Binomio 3T 3°AS
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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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