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PARCIAL MATE 3RO BÁSICO FEB/2025

Authored by Jorge Castillo

Mathematics

9th Grade

Used 1+ times

PARCIAL MATE 3RO BÁSICO FEB/2025
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15 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

De la suma (3x3+5x2+2) + (2x2-8x-3) Restar (-3x3+4x +3)

x3 + 5x2+ x +1

-x3 + 6x2+ x -1

-x3 +6x2+x+1

x3 +6x2-1

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Multiplica: (2x2+ 3x)(x2+1)

2x4+3x3+2x2+3x

2x4+3x3+2x2+3

2x4+5x2+3x

2x4+3x3+5x

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Dividir 3x3+13x2-13x +2 entre 3x-2

x2-5x +1 Res: 0

x2-5x -1 Res: 4

x2+5x -1 Res: 0

x2+5x -1 Res: 2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Resuelva la ecuación: 2x + 3(2x-1) = x +67

x=10

x= -8

x= 8

x= -10

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

x=1

x=-1

x=2/3

x=-2/3

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Problema de Aplicación: Si a la tercera parte de un número se le suma la quinta parte y además se le suma 21, obtenemos dicho número. ¿Qué número es?

El número es 15

El número es 21

El número es 42

El número es 45

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