Scomposizioni 4

Scomposizioni 4

8th Grade

17 Qs

quiz-placeholder

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Scomposizioni 4

Scomposizioni 4

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

Marta Luzzana

Used 11+ times

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17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Una delle seguente uguaglianze è FALSA. Quale?

mx+my=(x+y)mmx+my=\left(x+y\right)m

ax+bx+x=x(a+b+1)ax+bx+x=x\left(a+b+1\right)

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

am+mb+m=m(a+b)am+mb+m=m\left(a+b\right)

2.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

Completa in modo che il polinomio sia il quadrato di un binomio
 a25a+...a^2-5a+...  

3.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Aggiungi il termine che manca affinché il polinomio  a2+14b2+4c2ab4aca^2+\frac{1}{4}b^2+4c^2-ab-4ac  
sia il quadrato di un trinomio

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 18x3+8+3x2+3x=(12x+2)3\frac{1}{8}x^3+8+3x^2+3x=\left(\frac{1}{2}x+2\right)^3  

Vero

Falso

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Quale è un fattore di  5x4135xy35x^4-135xy^3  ?

 x2+6xy+9y2x^2+6xy+9y^2  

 x2+3xy+9y2x^2+3xy+9y^2  

 x23xy+9y2x^2-3xy+9y^2  

 x26xy+9y2x^2-6xy+9y^2  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

La scomposizione in fattori del trinomio  4x28xy+4y24x^2-8xy+4y^2  è:

 (4x+4y)2\left(4x+4y\right)^2  

 4(xy)24\left(x-y\right)^2  

 (2x+2y)2\left(2x+2y\right)^2  

 2(xy)22\left(x-y\right)^2  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Quale dei seguenti trinomi NON è il quadrato di un binomio?

4x2+9a2+12ax4x^2+9a^2+12ax

a4+16x4+4a2x2a^4+16x^4+4a^2x^2

4a2+x24ax4a^2+x^2-4ax

2520a+4a225-20a+4a^2

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