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Aplicación del método de Ruffini

Authored by Ana Borjas

Mathematics

11th Grade

Used 166+ times

Aplicación del método de Ruffini
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6 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

El resultado de la factorización del polinomio

 P(x)=3x36x23x+6P\left(x\right)=3x^3-6x^2-3x+6  es:

 P(x)=(x1)(x+1)(x2)P\left(x\right)=\left(x-1\right)\left(x+1\right)\left(x-2\right)  

 P(x)=3(x1)(x+1)(x2)P\left(x\right)=3\left(x-1\right)\left(x+1\right)\left(x-2\right)  

 P(x)=3(x1)2(x2)P\left(x\right)=3\left(x-1\right)^2\left(x-2\right)  

 P(x)=(3x1)(x+1)(x2)P\left(x\right)=\left(3x-1\right)\left(x+1\right)\left(x-2\right)  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

La factorización del polinomio

 P(x)=x45x3+8x24xP\left(x\right)=x^4-5x^3+8x^2-4x  es

 P(x)=(x1)(x2)2P\left(x\right)=\left(x-1\right)\left(x-2\right)^2  

 P(x)=x(x1)(x2)(x+2)P\left(x\right)=x\left(x-1\right)\left(x-2\right)\left(x+2\right)  

 P(x)=(x1)(x2)(x+2)P\left(x\right)=\left(x-1\right)\left(x-2\right)\left(x+2\right)  

 P(x)=x(x1)(x2)2P\left(x\right)=x\left(x-1\right)\left(x-2\right)^2  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Las soluciones de la ecuación 4x3+8x211x+3=04x^3+8x^2-11x+3=0  son:


 X1= 3 , X2=12 , X3=12X_1=\ -3\ ,\ X_2=\frac{1}{2}\ ,\ X_3=\frac{1}{2}  

 X1= 3 , X2=12 , X3=12X_1=\ 3\ ,\ X_2=-\frac{1}{2}\ ,\ X_3=\frac{1}{2}  

 X1= 3 , X2=1 , X3=12X_1=\ -3\ ,\ X_2=1\ ,\ X_3=\frac{1}{2}  

 X1= 3 , X2=12 , X3=2X_1=\ -3\ ,\ X_2=\frac{1}{2}\ ,\ X_3=2  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Las soluciones de la ecuación 2x4+5x34x215x6=02x^4+5x^3-4x^2-15x-6=0  son:


 X1=12 , X2=2 , X3=3, X4=3X_1=-\frac{1}{2}\ ,\ X_2=-2\ ,\ X_3=\sqrt{3},\ X_4=-\sqrt{3}  

 X1=12 , X2=2 , X3=3X_1=-\frac{1}{2}\ ,\ X_2=2\ ,\ X_3=\sqrt{3}  

 X1=1 , X2=2 , X3=3, X4=3X_1=-1\ ,\ X_2=-2\ ,\ X_3=\sqrt{3},\ X_4=-\sqrt{3}  

 X1=12 , X2=2 X_1=-\frac{1}{2}\ ,\ X_2=-2\   

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

La simplificación de la siguiente expresión x3+4x2+5x+2x3+x28x12\frac{x^3+4x^2+5x+2}{x^3+x^2-8x-12} 

 es:

 (x+1)2(x3)(x+2)\frac{\left(x+1\right)^2}{\left(x-3\right)\left(x+2\right)}  

 (x+1)(x3)(x+2)\frac{\left(x+1\right)}{\left(x-3\right)\left(x+2\right)}  

 (x+1)(x1)(x3)(x+2)\frac{\left(x+1\right)\left(x-1\right)}{\left(x-3\right)\left(x+2\right)}  

 (x+1)2(x3)\frac{\left(x+1\right)^2}{\left(x-3\right)}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

La simplificación de la expresión x32x24x+8x45x3+8x24x\frac{x^3-2x^2-4x+8}{x^4-5x^3+8x^2-4x} es: 

 x+2x1\frac{x+2}{x-1}  

 x+2(x1)2\frac{x+2}{\left(x-1\right)^2}  

 x+2x(x1)\frac{x+2}{x\left(x-1\right)}  

 (x+2)(x+1)x1\frac{\left(x+2\right)\left(x+1\right)}{x-1}  

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