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2.6 Ecuaciones de segundo grado y su solución por fórmula genera

Authored by Súper Quizzz

Mathematics

University

2.6 Ecuaciones de segundo grado y su solución por fórmula genera
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál es la solución de 𝑥2 - 8𝑥 + 16 = 0?

𝑥 = 2

𝑥 = 4

𝑥 = 3

𝑥 = 5

Answer explanation

(𝑥 - 3)2 = 0, 𝑝𝑜𝑟 𝑙𝑜 𝑞𝑢𝑒 𝑥 = 3.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

𝑥 = 2, 𝑥 = -4

𝑥 = 3, 𝑥 = -2

𝑥 = 1, 𝑥 = -6

𝑥 = -1, 𝑥 = 6

Answer explanation

Factorizando, obtenemos (𝑥 - 3)(𝑥 + 2) = 0.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuáles son las soluciones de 𝑥2 -4𝑥 + 4 = 0?

𝑥 = 0

𝑥 = -2

𝑥 = 4

𝑥 = 2

Answer explanation

(𝑥 + 2)2 = 0, 𝑝𝑜𝑟 𝑙𝑜 𝑞𝑢𝑒 𝑥 = -2.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La ecuación 𝑥2 - 3𝑥 - 4 = 0 tiene como soluciones:

𝑥 = -4, 𝑥 = 1

𝑥 = 4, 𝑥 = -1

𝑥 = 1, 𝑥 = -4

𝑥 = -1, 𝑥 = 4

Answer explanation

Factorizando, obtenemos (𝑥 - 1)(𝑥 + 4) = 0.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál es la solución de 𝑥2 - 9 = 0?

𝑥 = 4

𝑥 = 3, 𝑥 = -3

𝑥 = 0

𝑥 = 2

Answer explanation

Factorizando, obtenemos (𝑥 + 2)(𝑥 - 2) = 0.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La ecuación 𝑥2 - 2𝑥 + 1 = 0 tiene solución:

𝑥 = 0

𝑥 = 2

𝑥 = -1

𝑥 = 1

Answer explanation

(𝑥 + 1)2 = 0, 𝑝𝑜𝑟 𝑙𝑜 𝑞𝑢𝑒 𝑥 = -1.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál es la solución de 𝑥2 - 8𝑥 + 16 = 0?

𝑥 = 4

𝑥 = 8

𝑥 = 2

𝑥 = 6

Answer explanation

(𝑥 - 4)2 = 0, 𝑝𝑜𝑟 𝑙𝑜 𝑞𝑢𝑒 𝑥 = 4.

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