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Polinomi

Authored by Silvana Nicosia

Mathematics

9th Grade

Polinomi
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15 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Seleziona tutti i polinomi

3x+4y-3x+4y

5a2b5a^2b

32x3y+5y\frac{3}{2}x^3y+5y

5x3y+5\frac{5x}{3y+5}

2.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

Segna le uguaglianze corrette

 2x +3x=5x2x\ +3x=5x  

 2x3x =6x2x\cdot3x\ =6x  

 2x3x=6x22x\cdot3x=6x^2  

 18x:3x=4x-18x:3x=4x  

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Il polinomio 5a2-3ab +7b2 è: (2 risposte esatte 3 min)

omogeneo

di quarto grado

ordinato secondo le potenze crescenti di b

ordinato secondo le potenze crescenti di a

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Un polinomio contenente tre termini è detto:

Monomio

Binomio

Trinomio

Quadrinomio

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A quale delle seguenti espressioni equivale (3ba)+(a2b)\left(3b-a\right)+\left(a-2b\right)  ?

 (2b+a)+(3ba)\left(2b+a\right)+\left(3b-a\right)  

 (2b+a)(3ba)\left(2b+a\right)-\left(3b-a\right)  

 (2b+a)(3b+a)\left(2b+a\right)-\left(-3b+a\right)  

 (3ba)(a2b)\left(3b-a\right)-\left(a-2b\right)  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Il polinomio  x66x4+12x28x^6-6x^4+12x^2-8  scomposto è:

 (x22)3\left(x^2-2\right)^3  

 (x32)3\left(x^3-2\right)^3  

 (x22)3\left(-x^2-2\right)^3  

 (x46)(x2+4)\left(x^4-6\right)\left(x^2+4\right)  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(3 min) Calcola il valore della seguente espressione:

- 3a2b - (- 2a2b - a2b)

6a4b2

6a2b

0

a2b

- 6a2b

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