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Función polinómica

Authored by Abril Carini

Mathematics

11th Grade

Used 11+ times

Función polinómica
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6 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

La expresión factorizada de la función graficada es...

f(x)=x.(x3)2f\left(x\right)=x.\left(x-3\right)^2

f(x)=x2.(x+3)f\left(x\right)=x^2.\left(x+3\right)

f(x)=x2.(x3)f\left(x\right)=x^2.\left(x-3\right)

f(x)=(x0)2.(x+3)f\left(x\right)=\left(x-0\right)^2.\left(x+3\right)

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

El conjunto de positividad de la función es

 f(x)=(x1)2.(x+3)f\left(x\right)=\left(x-1\right)^2.\left(x+3\right)  

 (3;1)U(1;)\left(-3;1\right)U\left(1;\infty\right)  

 (;3)U(1;)\left(-\infty;-3\right)U\left(1;\infty\right)  

 (3;1)\left(-3;1\right)  

 (;3)\left(-\infty;-3\right)  

 (3;)\left(-3;\infty\right)  

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Sabiendo que una función tiene por raíces a x=2 (raíz simple) y x=-1 (raíz triple), y su coeficiente principal es -1, la forma factorizada es...

f(x)=(x+1)3(x2)f\left(x\right)=\left(x+1\right)^3\left(x-2\right)

f(x)=(x+1)3(x2)f\left(x\right)=-\left(x+1\right)^3\left(x-2\right)

f(x)=1(x+2).(x1)3f\left(x\right)=-1\left(x+2\right).\left(x-1\right)^3

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

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

La función dada a continuación tiene... f(x)=x3+5x23x9f\left(x\right)=-x^3+5x^2-3x-9  


Una raíz triple

Una raíz doble

Una raíz simple y una raíz doble

Tres raíces simples

5.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

La función dada a continuación tiene... 

 f(x)=x3+5x23x9f\left(x\right)=-x^3+5x^2-3x-9  


 C+=(1;3)U(3;)C^+=\left(-1;3\right)U\left(3;\infty\right)  

 C=(1;3)U(3;)C^-=\left(-1;3\right)U\left(3;\infty\right)  

 C=(1;)C^-=\left(-1;\infty\right)  

 C+=(;1)C^+=\left(-\infty;-1\right)  

 C0={1;3}C^0=\left\{1;-3\right\}  

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

La forma factorizada de la función...

 f(x)=x3+5x23x9f\left(x\right)=-x^3+5x^2-3x-9  



 f(x)=(x+1).(x3)2f\left(x\right)=\left(x+1\right).\left(x-3\right)^2  

 f(x)=(x1).(x+3)2f\left(x\right)=-\left(x-1\right).\left(x+3\right)^2  

 f(x)=(x+1).(x3)2f\left(x\right)=-\left(x+1\right).\left(x-3\right)^2  

 f(x)=(x+1)2.(x3)f\left(x\right)=-\left(x+1\right)^2.\left(x-3\right)  

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