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Matemática. Quinto Secundaria. 2021

Authored by Dailex Bernal

Mathematics

11th Grade

Used 3+ times

Matemática. Quinto Secundaria. 2021
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10 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Sean A = (4x + 2) y B = (4x2 + 3x – 2). Calcula A2 – 2B. Selecciona l respuesta correcta.

8x2 + 10x + 8

x2 + 6x + 8

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Descompón en factores cy2 + 2cy – 80c: Selecciona el resultado correcto.

C (y2 + 18y – 80)

c (y + 10) (y -8)

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Resuelve la ecuación. Selecciona la respuesta correcta.

(x+2) (x-5) = (x -1) (x – 6)

X = 4

x= -4

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Resuelve la ecuación. Selecciona la respuesta correcta.

X(x+3) – 4 = 5x – 3

X1 = 2,42, x2 = 0,42

X1 = 241,5, x2 = 41,5

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Racionaliza el denominador de       33236\frac{3\sqrt{3}}{2\sqrt{3-\sqrt{6}}}        . Selecciona la respuesta correcta.

 18 +926\frac{18\ +9\sqrt{2}}{6}  

 18926\frac{18-9\sqrt{2}}{6}  

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Convierte 50g a sexagesimales.

Selecciona la respuesta correcta.

45°

45g

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Convierte 36° a radianes.

Selecciona la respuesta correcta.

π5 rad\frac{\pi}{5}\ rad

15rad\frac{1}{5}rad

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