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2AT scomposizione polinomi

Authored by Silvia Formaggia

Mathematics

9th Grade

Used 13+ times

2AT scomposizione polinomi
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16 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

x2-6x+9

(x+3)(x-3)

(x+3)2

(x-3)2

(x-3)3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

quale dei seguenti binomi non è la differenza di due quadrati ?

−a4+1
9a2−1
-a4−4
a6−1

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Qual è la scomposizione completa di 16x4-81

(4x2+9)(4x2+9)

(2x+3)2(2x-3)2

(2x+3)(2x-3)(4x2+9)

(2x+3)(2x-3)(4x2-9)

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Scomponi in fattori

 x3−xa2x^3-xa^2  

 (x2−a)(x2+a)(x^2−a)(x^2+a)  

 x2(x−a)(x+a)x^2(x−a)(x+a)  

 x(x−a)(x+a)x(x−a)(x+a)  

 x(x2+a2)x\left(x^2+a^2\right)  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x2 −x − 42x^2\ -x\ -\ 42  

 (x+7)(x−6)\left(x+7\right)\left(x-6\right)  

 (x−7)(x+6)\left(x-7\right)\left(x+6\right)  

 (x+7)(x+6)\left(x+7\right)\left(x+6\right)  

 (x−7)(x−6)\left(x-7\right)\left(x-6\right)  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

qual è la scomposizione del trinomio    x2−2x−8

(x−2)(x+4)
(x−2)(x−4)
(x+2)(x−4)
(x+2)(x+4)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. Quale dei seguenti polinomi è irriducibile?

9-x2

8-x3

x4+32

16-x4

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