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Productes notables

Authored by Teresa Arabí Arabí

Mathematics

4th Grade

Used 37+ times

Productes notables
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12 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Quin dels següents productes representa l'àrea de la figura?

( x + 7 ) ( x + 2 )

( x - 7 ) ( x + 2 )

( x + 7 ) ( x - 2 )

( x - 7 ) ( x - 2 )

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(2p + q)²

4p² + 2q + q²

p² + 4pq + q

q² + 4pq + 4p²

2p² + 2pq + 2q²

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(3a – 5b)² es:

9a² - 20ab + 20b²

3a² - 15ab + 25b

9a² - 30ab + 25b²

9a² + 25ab + 25b²

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calcula

(x3-5)2

x5-25

x6-25

x5-10x3+25

x6-10x3+25

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(x3+7y)⋅(x3-7y)=

x6-7y2

x6-49y2

x9-7y2

x9-49y2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calcula

(x + 2)(x +9)

x² + 18x + 11

x² + 11x + 18

x2-11x-18

x2-7x+18

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(3a – 5b)² =

9a² - 20ab + 20b²

3a² - 15ab + 25b

9a² - 30ab + 25b²

9a² + 25ab + 25b²

3a2 - 15ab + 5b2

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