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Ecuaciones de segundo grado

Authored by fernanda larrea

Mathematics

1st Grade

Used 7+ times

Ecuaciones de segundo grado
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Factorar

 x2+18x+81x^2+18x+81  

 (x+2)2\left(x+2\right)^2  

 (x2+22)\left(x^2+2^2\right)  

 (x+9)2\left(x+9\right)^2  

 (x9)2\left(x-9\right)^2  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Factorar

 (x8)2(x9)2\left(x-8\right)^2-\left(x-9\right)^2  

 (x8x+9)(x8+x9)\left(x-8-x+9\right)\left(x-8+x-9\right)  

 (x+8+x9)(x+9+x8)\left(x+8+x-9\right)\left(x+9+x-8\right)  

 3x273x-27  

NA

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Encontrar los valores de X

 x25x300=0x^2-5x-300=0  

 x1=20;x2=15x_1=20;x_2=15  

 x1=20;x2=15x_1=20;x_2=-15  

 x1=20:x2=15x_1=-20:x_2=-15  

 x1=20:x2=15x_1=-20:x_2=15  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

encontrar los valores de x

 4x2+32x+64=04x^2+32x+64=0  

 x=14x=-\frac{1}{4}  

 x=14x=\frac{1}{4}  

 x=18x=\frac{1}{8}  

 x=18x=-\frac{1}{8}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿La siguiente expresión corresponde a un trinomio cuadrado perfecto?

 (x+2)2+2(x+4)(x+2)+(x+4)2\left(x+2\right)^2+2\left(x+4\right)\left(x+2\right)+\left(x+4\right)^2  

Media Image
Media Image

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La siguiente expresión corresponde a

 ((x9)2+(y4)2)2(z+9)2\left(\left(x-9\right)^2+\left(y-4\right)^2\right)^2-\left(z+9\right)^2  

trinomio cuadrado perfecto

Diferencia de cuadrados

trinomio de la forma ax+bx+c

ninguna

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Indique el grado de la siguiente expresión

 (x4+3y)12\left(x^4+3y\right)^{\frac{1}{2}}  

3

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