Maratónica Matemática
Authored by Aprendiendo Mendoza
Mathematics
8th Grade
Used 17+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al factorizar a3- 3 a2 +3 a -1, tenemos:
(a+1)2
(a-1)2
(a-1)3
(a-1)(a2 +a+1)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los factores de x3 – 8 son:
(x+2)(x2 -2x + 4)
(x-2)(x2 +2x + 4)
(x+2)(x-2)
(x-2)(x-2)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Factorizando 8(a+b)-x(a+b) se tiene:
(a-b)(8-x)
(a+b)(8+x)
(8+a)(b-x)
(a+b)(8-x)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El factor que multiplicado por (3x+1), da 9x2 +6x+1 es:
(3x+1)
(3x-1)
(9+x)
(9-x)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al descomponer 5x2 -4x-1, en factores tenemos:
(5x-1)(x-1)
(5x+1)(x-1)
(5x+1)(5x-1)
(5x-1)(x-1)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los factores de xy+5x+3y+15, son:
(y+5)(x-3)
(3)(y+5)
(x) (y+5)
(y+5)(x+3)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Factorizando x2 -5x-14 tendremos:
(x-7)(x+2)
(x+7)(x+2)
(x+14)(x+1)
(x-7)(x-2)
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