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Cuestionario de Matemática

Authored by Pauleth Macas

Chemistry

9th Grade

Used 5+ times

Cuestionario de Matemática
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83 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

En la ecuación x2 - 4x - 12 = 0 ; el valor de x1 + x2 es:

+4

-4

-2

+8

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Determinar las coordenadas del foco de la parábola 15x2= – 42y

(+1, -2)

(+7,0)

(0, -7/10)

(+1/4, -2)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Determinar las coordenadas del centro de la hipérbola: 𝒚𝟐 –2𝒙𝟐 - 4x – 4y = 0

(0,+√2)

(-1;+2)

(+1,0)

(0,-2)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Cual es la ecuación que pasa por los puntos: (0,1) y (1,3)

2x –y + 1 = 0

x – 2y + 11 = 0

2x + y -11 = 0

x –y +2 = 0

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

El valor de la inecuación 𝒙−𝟐/𝒙−𝟒≥ 0 es:

(- ∞, -2) U (4, ∞)

(-2, 4)

(-∞, 2) U (4, ∞ )

(4,∞ )

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Cual es el valor de K , si la parábola y = 7x2 + 2k - 10 pasa por el origen

3

5

-5

10

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

La siguiente ecuación 𝟒𝒙𝟐+𝟗𝒚𝟐−𝟓𝟎𝒙+𝟑𝟔𝒚−𝟏𝟔𝟒=𝟎 pertenece a una:

Circunferencia

Hipérbola

Parábola

Elipse

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