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Operazioni con i polinomi

Authored by Maria Caiazzo

Mathematics

9th Grade

CCSS covered

Used 24+ times

Operazioni con i polinomi
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19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

(3x-4y) (-2x) =

5x2+8xy

xy

+6x2-8xy

-6x2+8xy

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Il prodotto notevole (x-y) (x+y) è uguale a:

x2+y2

x2- y2

(x+y)2

x2 - 2xy + y2

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Quale delle seguenti moltiplicazioni ha come risultato 3x + 9 ?

3(3x + 3)

3(x+3)

3(x-3)

3(9+x)

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Data l'espressione: - 2(a - 2b) + 3(a - b) , la sua forma semplificata è:

- 2a + b

a + b

a - b

a - 2b

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 (3x+y)+(4x2−5x−1)=\left(3x+y\right)+\left(4x^2-5x-1\right)=  

 4x2−2x+y−14x^2-2x+y-1  

 8x+4x28x+4x^2  

 4x2−2x4x^2-2x  

 1−y−2x+4x21-y-2x+4x^2  

Tags

CCSS.HSA.APR.A.1

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Il prodotto notevole (x-y) (x+y) è uguale a:

x2+y2

x2- y2

(x+y)2

x2 - 2xy + y2

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

(2a+5xy)+(7a-8xy)

9a-3xy

8a

6a-4xy

9a+3xy

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