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Fórmulas Notables y Diferencia de Cuadrados

Authored by Karla Jiménez

Mathematics

8th Grade

Used 3+ times

Fórmulas Notables y Diferencia de Cuadrados
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18 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

¿Cuál es la fórmula notable para el cuadrado de una suma?

(a + b)² = a² + 2ab + b²

(a + b)² = 2a² + 2b²

(a + b)² = a² - 2ab + b²

(a + b)² = a² + b²

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Identifica la fórmula notable para el cuadrado de una diferencia.

(a + b)² = a² + 2ab + b²

(a - b)² = a² + 2ab - b²

(a + b)² = a² - 2ab + b²

(a - b)² = a² - 2ab + b²

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Aplica la diferencia de cuadrados a la expresión: x² - 9.

(x - 9)(x + 1)

(x - 3)(x - 3)

(x + 3)(x + 3)

(x - 3)(x + 3)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplifica la expresión: (x + 3)(x - 3).

x^2 - 6

x^2 + 9

x^2 - 9

x^2 + 6

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

¿Cuál es la primera fórmula notable?

(a + b)² = a² + 2ab + b²

(a + b)(a - b) = a² - b²

(a - b)² = a² - 2ab + b²

(a + b)³ = a³ + 3a²b + 3ab² + b³

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Aplica la segunda fórmula notable a la expresión: (2x + 5)².

4x² + 10x + 25

4x² + 20x + 25

4x² + 25

2x² + 20x + 5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Identifica la diferencia de cuadrados en la expresión: 16 - y².

(4 - 2y)(4 + 2y)

(8 - y)(8 + y)

(2 - y)(2 + y)

(4 - y)(4 + y)

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