Prodotti notevoli

Prodotti notevoli

8th Grade

27 Qs

quiz-placeholder

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Prodotti notevoli

Prodotti notevoli

Assessment

Quiz

Mathematics

8th Grade

Medium

Created by

Francesca Sartogo

Used 4+ times

FREE Resource

27 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (ab)2=\left(a-b\right)^2=  

 a2 ab + b2a^2-\ ab\ +\ b^2  

 a22ab+b2a^2-2ab+b^2  

 a2+ab+b2a^2+ab+b^2 

 a2+2ab+b2a^2+2ab+b^2  

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 (2x3)(3+2x)=\left(2x-3\right)\left(3+2x\right)=  

 4x294x^2-9  

 94x29-4x^2  

 4x212x +94x^2-12x\ +9  

 4x2+12x94x^2+12x-9  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (2ax+y)2\left(2a-x+y\right)^2  

 4a2+x2+y24a^2+x^2+y^2  

 4a2+x2+y24axy4a^2+x^2+y^2-4axy  

 4a2+x2+y24ax2xy+4ay4a^2+x^2+y^2-4ax-2xy+4ay  

 4a2+x2+y22axxy+2ay4a^2+x^2+y^2-2ax-xy+2ay  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Quale termine è necessario aggiungere per completare il seguente quadrato di binomio?

 9y2+......+16x29y^2+......+16x^2  

 12 xy12\ xy  

 24 xy24\ xy  

 12 x12\ x 

 12 y12\ y  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 3x2(2x+1)(2x1)+x21=3x^2-\left(2x+1\right)\left(2x-1\right)+x^2-1=  

 4x24x^2  

1

-2

0

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Questo polinomio è un quadrato di binomio?
 4x2+12xy9y24x^2+12xy-9y^2  

sì, perché ci sono tre termini

no, perché non ci sono tutti i termini

no, perché i segni sono sbagliati

sì, i segni sono tutti giusti

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Il grado di un monomio è

l'esponente presente nella lettera del monomio

l'esponente presente in ciascuna lettera del monomio

la somma degli esponenti presenti in ciascuna lettera del monomio

nessuna delle risposte precedenti

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