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Polinomi (operazioni)

Authored by Luca Chiappi

Mathematics

9th - 10th Grade

CCSS covered

Used 46+ times

Polinomi (operazioni)
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Se sommo due binomi ottengo un quadrinomio:

Sì, sempre

Dipende dai binomi

Sì, ma potrei avere dei termini simili

No

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (ab+2a3)+(ab+a3a3)=\left(ab+2a^3\right)+\left(-ab+a-3a^3\right)=  

 2ab+a5a32ab+a-5a^3  

 aa3a-a^3  

 abab  

 aba3ab-a^3  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (x2+4x32)(1+x)=\left(x^2+4x^3-2\right)-\left(1+x\right)=  

 4x3+x2x34x^3+x^2-x-3  

 4x3+x2+x34x^3+x^2+x-3  

 4x3+x2x+14x^3+x^2-x+1  

 4x3+x2+x14x^3+x^2+x-1  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Se moltiplico due binomi ottengo un quadrinomio:

Sì, sempre

Dipende dai binomi

Sì, ma potrei avere dei termini simili

No

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 3a(4x2)=3a\cdot\left(4x-2\right)=  

 7ax+a7ax+a  

 7axa7ax-a  

 12ax6a12ax-6a  

 12ax212ax-2  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (ax2+2x)(3y+b)=\left(ax^2+2x\right)\cdot\left(3y+b\right)=  

 3ax2y+abx2+6xy+2bx3ax^2y+abx^2+6xy+2bx  

 3ax2y+2bx3ax^2y+2bx  

 abx2+6xyabx^2+6xy  

 3ax2y+6xy+2ax+abx23ax^2y+6xy+2ax+abx^2  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (3x+y)+(4x25x1)=\left(3x+y\right)+\left(4x^2-5x-1\right)=  

 4x22x+y14x^2-2x+y-1  

 8x+4x28x+4x^2  

 4x22x4x^2-2x  

 1y2x+4x21-y-2x+4x^2  

Tags

CCSS.HSA.APR.A.1

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