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examen 9no

Authored by Domitila Gonzalez

Mathematics

9th Grade

Used 15+ times

examen 9no
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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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