
Prueba 5: Identidades notables
Authored by PABLO RAMOS
Mathematics
8th Grade
Used 14+ times

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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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