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scomposizione di polinomi

Authored by Giuliana Colombo

Mathematics

2nd Grade

Used 78+ times

scomposizione di polinomi
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17 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tra i seguenti polinomi solo uno è lo sviluppo di un quadrato di binomio. Quale?

x 2 + x - 1

x 2 +4 x +2

9x 2 + 6x - 1

4x 2 - 12x +9

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x2-6x+9

(x+3)(x-3)

(x+3)2

(x-3)2

(x-3)3

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

qual è la scomposizione di          4x6+2x3+2x2   ?

2x2(2x4+2x3+2x2)
2x2(2x3+x+1)
2x2(2x3+x)
2x2(2x4+x+1)

4.

MULTIPLE CHOICE QUESTION

1 min • 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)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x210x+25=x^2-10x+25=  

 (x5)(x+5)\left(x-5\right)\left(x+5\right)  

 (x5)2\left(x-5\right)^2  

 (x+5)2\left(x+5\right)^2  

 (x+25)2\left(x+25\right)^2  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Prendi carta e penna ... svolgi l'espressione

 4a34a24a+44a^3-4a^2-4a+4  

e segna la risposta corretta

 (4a2+1)(a+1)\left(4a^2+1\right)\left(a+1\right)  

 (a1)(4a21)\left(a-1\right)\left(4a^2-1\right)  

 (2a2)2\left(2a-2\right)^2  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La scomposizione del binomio  x38x3x^3-8x^3  è:

 (x+2y)(x2+2xy+4y2)\left(x+2y\right)\left(x^2+2xy+4y^2\right)  

 (x2y)(x2+2xy+4y2)\left(x-2y\right)\left(x^2+2xy+4y^2\right)  

 (x+2y)(x22xy+4y2)\left(x+2y\right)\left(x^2-2xy+4y^2\right)  

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