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operazioni con i polinomi

Authored by LIDIA VALLE

Mathematics

9th Grade

Used 8+ times

operazioni con i polinomi
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8 questions

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1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Il resto della divisione tra il polinomio  (y2+32y32)\left(-y^2+\frac{3}{2}y^3-2\right)  e il polinomio  (3y2+2y)\left(3y^2+2y\right)  è:

0

 43y22\frac{4}{3}y^2-2  

1

 43y2\frac{4}{3}y-2  

2.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Il quoziente della divisione tra il polinomio  (y2+32y32)\left(-y^2+\frac{3}{2}y^3-2\right)  e il polinomio  (3y2+2y)\left(3y^2+2y\right)  è:

 12y23\frac{1}{2}y-\frac{2}{3}  

 43y22\frac{4}{3}y^2-2  

 12y223\frac{1}{2}y^2-\frac{2}{3}  

 43y2\frac{4}{3}y-2  

3.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

  \   Scegli il monomio che completa lo sviluppo del quadrato del binomio  4x2+....+116y64x^2+....+\frac{1}{16}y^6  

 12xy3-\frac{1}{2}xy^3  

 xy3xy^3  

 xy3-xy^3  

 +2xy3+2xy^3  

4.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 (a+b)2(ab)2\left(a+b\right)^2-\left(a-b\right)^2  

 2ab2ab  

 2ab-2ab  

 +4ab+4ab  

 4ab-4ab  

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 (23y3+32x)(32x+23y3)\left(-\frac{2}{3}y^3+\frac{3}{2}x\right)\cdot\left(\frac{3}{2}x+\frac{2}{3}y^3\right)  

 49y694x2\frac{4}{9}y^6-\frac{9}{4}x^2  

 49y5+94x2-\frac{4}{9}y^5+\frac{9}{4}x^2    \   

 +94x249y6+\frac{9}{4}x^2-\frac{4}{9}y^6  

 26y6+94x2-\frac{2}{6}y^6+\frac{9}{4}x^2  

6.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

 (2a13b2)3=8a3+4a2b2+23ab4127b6\left(2a-\frac{1}{3}b^2\right)^3=8a^3+4a^2b^2+\frac{2}{3}ab^4-\frac{1}{27}b^6  

vero

falso

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 (xy)(x+y)(xy)2=2y(y+x)\left(x-y\right)\left(x+y\right)-\left(x-y\right)^2=-2y\left(y+x\right)  

vero

falso

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