examen 9no
Authored by Domitila Gonzalez
Mathematics
9th Grade
Used 15+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
la solución del producto notable (x+5)(x+3) es.
x2+8+15
x2+8x+15
las dos son correctas
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
La solución del producto notable (2x-1)(x-9) es.
2x2-18x+9
3X2+19+9
2x2-19x+9
2x2-19x-9
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
La solución del producto notable (x-1)(x-9) es.
x2+10x-9
x2--10x+9
x2+10x+9
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
El factor común de 4x2-2x es
(x+2)(x-2)
2x(2x-1)
2x(+1)
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La formula 4 de producto notables es:
(x+a)2
(x+a)
(x-a)
Ninguna es correcta
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
La solución de producto notable (x+6)2 es
x2+6x+36
x2+12x+36
x2+6x-36
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Al factorizar x2-49 es:
(x+7)(x+7)
(x2+7)(x2-7)
(x+7)(x-7)
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