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Arrels i polinomis

Authored by Elsa C

Mathematics

2nd Grade - Professional Development

Used 14+ times

Arrels i polinomis
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7 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Quines son les arrels d’aquesta funció?

3 i 0

-2 i 0

-3 i 0

-3

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Troba una arrel d’aquest polinomi factoritzat P(x)=(x+2)(x3)(x4)P\left(x\right)=\left(x+2\right)\left(x-3\right)\left(x-4\right)   

2

-3

4

-4

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Quin és el grau d’aquesta equació? (3x+1)x2(x1)\left(3x+1\right)x^2\left(x-1\right)  

3

2

4

5

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Quines son les arrels d’aquest polinomi? f(x)=x23x4f\left(x\right)=x^2-3x-4  

4 i 1

-4 i 1

4 i -1

-4 i -1

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Factoritza aquest polinomi:

 3x2+14+163x^2+14+16  

(x+2) (3x+8)

(x+2) (3x-8)

(3x+8) (x-2)

(3x-8) (x-2)

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 -  Quines són les arrels d'aquesta funció?  Px= x2+5x4Px=\ -x^2+5x-4  

(x+1) (x+5) (x+4)

(x-1) (x-5) (x+4)

(x+1) (x-5) (x+4)

1, 5 i 4

7.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Quins d'aquests mètodes podem fer servir per factoritzar (alguns) polinomis?

Afegir factor comú

Mètode de Ruffini

Equació de segon grau

Extreure factor comú

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