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Scomposizione polinomi

Authored by Letizia Narzisi

Mathematics

11th - 12th Grade

Used 42+ times

Scomposizione polinomi
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Completa:  (2a2+8x2)\left(2a^2+8x^2\right)  

 2(a2+4x2)2\left(a^2+4x^2\right)  

 2ax(a+x)2ax\left(a+x\right)  

 2(a+x)2\left(a+x\right)  

 2(a2x2)2\left(a^2-x^2\right)  

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Completa 5a+25b=-5a+25b=   

 5(a+5b)-5\left(a+5b\right)  

 5(a5b)-5\left(a-5b\right)  

 5(a+5b)5\left(a+5b\right)  

nessuna delle precedenti

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

una sola è la risposta esatta

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

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

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

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Il raccoglimento a fattor parziale è una scomposizione che avviene

sempre in due fasi

sempre in una sola fase

non è un metodo di scomposizione dei polinomi

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 9x2y4=9x^2-y^4=  

 3xy23x-y^2  

 3x+y23x+y^2  

 (3xy2)(3x+y2)\left(3x-y^2\right)\left(3x+y^2\right)  

 (3xy)(3x+y)\left(3x-y\right)\left(3x+y\right)  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 x26x+9=x^2-6x+9=  

 (x+3)2\left(x+3\right)^2  

 (x3)2\left(x-3\right)^2  

 (x3)(x+3)\left(x-3\right)\left(x+3\right)  

7.

MULTIPLE CHOICE QUESTION

45 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  

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