3. Identitats notables

3. Identitats notables

9th Grade

15 Qs

quiz-placeholder

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3. Identitats notables

3. Identitats notables

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

Created by

Jordi Finazzo-Agró

Used 10+ times

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15 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Quin és el quadrat de la suma de (a + b)?

a² + b²

a² + 2ab + b²

(a + b)² = a² + b²

2a + 2b

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Calcula el quadrat de la resta de (x - y).

(x - y)² = x² + 2xy + y²

(x - y)² = x² - y²

(x - y)² = 2x - 2y

(x - y)² = x² - 2xy + y²

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Quin és el producte de (a + b) i (a - b)?

a² - 2b

ab

a² - b²

a² + b²

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Troba el quadrat de la suma de (m + n).

m² - n²

2m + 2n

m² + n²

m² + 2mn + n²

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Calcula el quadrat de la resta de (p - q).

(p - q)² = p² - 2pq - q²

(p - q)² = p² + 2pq + q²

(p - q)² = p² - 2pq + q²

(p - q)² = p² - q²

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Quin és el producte de (c + d) i (c - d)?

c^2 - 2d

cd

c^2 + d^2

c^2 - d^2

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Quin és el resultat de (x + 3)²?

x² + 9

x² + 6x + 9

x² + 3x + 6

x² + 3x + 3

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