Ruffini - Factorización de polinomios
Quiz
•
Mathematics
•
9th Grade
•
Hard
Noelia Díaz
Used 85+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si utilizamos la regla de Ruffini para hacer la división de polinomios, el divisor tiene que ser siempre de...
1º grado, por ejemplo (x-2)
2º grado, por ejemplo (x2+3x-1)
3º grado, por ejemplo, (x3+3x2-2x+1)
Cualquier grado
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Realiza la siguiente división por Ruffini e indica el cociente y el resto
C(x)=3x3+16x2+3 R(x)=5
C(x)=3x2+16x+3 R(x)=5
C(x)=3x2+8x+3 R(x)=2
C(x)=3x2+8x-4 R(x)=2
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Decimos que x=a es una raíz de un polinomio si P(a)=0.
¿Cuáles son las raíces del polinomio x2+2x-8=0 ?
x = -1 ; x = 1
x = 0 ; x = 2
x = -4 ; x = 2
No tiene raíces
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En el polinomio P(x)= (x-1) (x+2) ¿Qué afirmación es cierta?
x = 1 ; x = -2 son raíces de P(x)
P(x) no tiene raíces
x = 0 ; ; x = 2 es raíz de P(x)
x = -1 ; x = 2 son raíces del polinomio
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Cómo podemos encontrar las raíces de un polinomio?
Solo con la regla de Ruffini
Resolviendo la ecuación correspondiente, con la regla de Ruffini, sacando factor común, o usando identidades notables
Ninguna respuesta es correcta
Solo resolviendo la ecuación correspondiente
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Aplicando Ruffini, encuentra las raíces que faltan del polinomio. Sus raíces son:
x = -1 ; x = 2 ; x = 3
x = -1 ; x = -2 ; x = -3
x = -1 ; x = 2 ; x=1
x =- 1
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuáles son las raíces del polinomio P(x) = x2-2x?
x = 0 ; x = 2
x = 0 ; x = 1
x = 0 ; x = 4
x = 0
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