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Prueba 5: Identidades notables

Authored by PABLO RAMOS

Mathematics

8th Grade

Used 14+ times

Prueba 5: Identidades notables
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8 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(x – 8)2

x2 - 16x - 64

x2 + 16x + 64

x2 - 16x + 64

x2 + 64

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(x + 5)2

x2 + 10x + 25

x2 - 10x + 25

x2 + 25

x2 + 5x + 25

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(5b + 2a)2

25b2 + 20ab + 4a2

5b2 + 20ab + 2a2

25b2 + 4a2

25b2 + 20ab + 4a

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(4x – 6) · (4x – 6)

16x2 + 36 - 48x

16x2 + 36 + 48x

16x2 + 36x - 48

16x2 - 36

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(x + 3) (x - 3)

x2 - 9

x2 + 9

3x - 9

x2 - 6x + 9

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Expresa en forma de una identidad notable:

9x  2 – 6x + 1

(3x + 1)2

(3x + 1)(3x - 1)

(x - 3)2

(3x - 1)2

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Expresa en forma de una identidad notable:

x  2 + 8x + 16

(x + 4)2

(x - 4)2

(x + 4)(x - 4)

(x + 8)2

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