Fórmulas Notables y Diferencia de Cuadrados
Authored by Karla Jiménez
Mathematics
8th Grade
Used 3+ times
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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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