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Ecuaciones de segundo grado

Authored by karen romero

Mathematics

9th Grade

Used 15+ times

Ecuaciones de segundo grado
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x2+9 = 0x^2+9\ =\ 0  

3

-3

No tiene solución 

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  4x2+10=264x^2+10=26  

 x1= 2        x2= 12x_1=\ 2\ \ \ \ \ \ \ \ x_2=\ \frac{1}{2}  

 x1= 2        x2= 2x_1=\ -2\ \ \ \ \ \ \ \ x_2=\ 2  

 x1= 4          x2= 4x_1=\ 4\ \ \ \ \ \ \ \ \ \ x_2=\ -4  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x2 =81x^2\ =81  

 x1=81          x2= 81x_1=\sqrt{81}\ \ \ \ \ \ \ \ \ \ x_2=\ \sqrt{-81}  

 x1 = 9            x2 = 9x_{1\ }=\ -9\ \ \ \ \ \ \ \ \ \ \ \ x_2\ =\ -9  

 x1=9        x2 = 9x_1=9\ \ \ \ \ \ \ \ x_{2\ }=\ -9  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 3x215x=03x^2-15x=0  

 x1= 0        x2= 5x_1=\ 0\ \ \ \ \ \ \ \ x_2=\ 5  

 x1= 5           x2= 5x_1=\ -5\ \ \ \ \ \ \ \ \ \ \ x_2=\ 5  

 x1= 0        x2= 5x_1=\ 0\ \ \ \ \ \ \ \ x_2=\ -5  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 3x2+9x =03x^2+9x\ =0  

 x1=3       x2= 3x_1=3\ \ \ \ \ \ \ x_2=\ -3  

 x1= 0        x2= 3x_1=\ 0\ \ \ \ \ \ \ \ x_2=\ 3  

 x1= 0          x2= 3x_1=\ 0\ \ \ \ \ \ \ \ \ \ x_2=\ -3  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x23x4=0x^2-3x-4=0  

 x1= 4        x2= 1x_1=\ 4\ \ \ \ \ \ \ \ x_2=\ -1  

 x1= 4         x2= 1x_1=\ -4\ \ \ \ \ \ \ \ \ x_2=\ 1  

 x1 = 4         x2 = 1x_{1\ }=\ -4\ \ \ \ \ \ \ \ \ x_2\ =\ -1  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x2+3x10=0x^2+3x-10=0  

 x1= 5        x2 = 2x_1=\ -5\ \ \ \ \ \ \ \ x_2\ =\ -2  

 x1= 5           x2 = 2x_1=\ 5\ \ \ \ \ \ \ \ \ \ \ x_2\ =\ -2  

 x1= 5         x2= 2x_1=\ -5\ \ \ \ \ \ \ \ \ x_2=\ 2  

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