Ecuaciones 3 ESO

Ecuaciones 3 ESO

9th Grade

20 Qs

quiz-placeholder

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Ecuaciones 3 ESO

Ecuaciones 3 ESO

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

Silvia Pino

Used 22+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Resuelve la siguiente ecuación: 2x3+8x22x12=0-2x^3+8x^2-2x-12=0  

 x1=2   x2=1   x3=3x_1=-2\ \ \ x_2=1\ \ \ x_3=-3  

 x1=2   x2=1   x3=3x_1=2\ \ \ x_2=-1\ \ \ x_3=3  

 x1=2   x2=1   x3=3   x4=0x_1=2\ \ \ x_2=-1\ \ \ x_3=3\ \ \ x_4=0  

 x1=2   x2=1   x3=3x_1=2\ \ \ x_2=1\ \ \ x_3=3  

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Resuelve la siguiente ecuación:
 3x36x2+3x=03x^3-6x^2+3x=0  

 x1=0   x2=1   x3=1x_1=0\ \ \ x_2=-1\ \ \ x_3=1  

 x1=1   x2=1x_1=1\ \ \ x_2=1  

 x1=1   x2=1x_1=-1\ \ \ x_2=1  

 x1=0   x2=1x_1=0\ \ \ x_2=1  

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Resuelve el siguiente sistema de ecuaciones:

 2x+y=42x+y=4  

 3x+2y=73x+2y=7  

x = 2   y = 0

x = 3   y = -2

x = 0   y = 4

x = 1   y = 2

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 Resuelve la siguiente ecuación de segundo grado incompleta: 2x272=02x^2-72=0 

 x1=6   x2=6x_1=6\ \ \ x_2=-6  

 x1=6   x2=0x_1=6\ \ \ x_2=0  

 x1=6   x2=6   x3=0x_1=6\ \ \ x_2=-6\ \ \ x_3=0  

 x=6   x_{ }=6\ \ \   

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Resuelve la siguiente ecuación de segundo grado incompleta 3x2+18x=03x^2+18x=0  

 x1=6   x2=6x_1=6\ \ \ x_2=-6  

 x1=0   x2=6x_1=0\ \ \ x_2=-6  

 x1=0   x2=18x_1=0\ \ \ x_2=-18  

 x1=18   x2=18x_1=18\ \ \ x_2=-18  

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 Resuelve la siguiente ecuación: (x2)(x+25)=0\left(x-2\right)·\left(x+\frac{2}{5}\right)=0 

 x1=2   x2=25x_1=-2\ \ \ x_2=\frac{2}{5}  

 x1=2   x2=25x_1=2\ \ \ x_2=-\frac{2}{5}  

 x1=2   x2=5x_1=2\ \ \ x_2=-5  

 x1=2   x2=5x_1=-2\ \ \ x_2=5  

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 Resuelve la siguiente ecuación:  3x221x30=0-3x^2-21x-30=0  

 x1=5   x2=2x_1=-5\ \ \ x_2=-2  

 x1=5   x2=2x_1=5\ \ \ x_2=2  

 x1=15   x2=6x_1=15\ \ \ x_2=6  

 x1=15   x2=6x_1=-15\ \ \ x_2=-6  

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