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EXAMEN MATEMÁTICAS SIMULADOR

Authored by Ignacio Isa

Others

12th Grade

Used 5+ times

EXAMEN MATEMÁTICAS SIMULADOR
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55 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Seleccione la respuesta correcta al realizar la siguiente operación 1/2√12-1/3√18+3/4√48+1/6√72

3√3

2√3+√2

4√3

4√3-√2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El resultado de x^2/5x^3/5 es:

x

x^3/2

x^2

x2/3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Resolver el siguiente sistema de ecuaciones : x/2+y/3=4 ; x/3+y=1

x=66/7 , y=-15/7

x=-66/7 , y=-15/7

x=66/7 , y=15/7

x=-66/7 , y=15/7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sea f: R en R tal que f(x)=(x+5)/(3x-2) determinar el dominio de esta función.

Todos los reales excepto el 2

Todos los reales excepto el 2/3

Los naturales impares

Todos los reales

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

De -x³+3x²+4x-6 resta 2x³-4x²+5x+12

-3x²+7x²-x-18

-3x²-7x²-x-18

3x²+7x²-x-18

-3x²+7x²-x+18

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factorizar (x^2-6x+9) seleccione la respuesta correcta

(x-6)^2

(x-3)^2

(x-4)^2

(x-1)^2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplifique 3(2x(2x+3)+5(4x^2-(3-4x)))

72x^2+78x-45

72x^2-78x-45

72x^2+78x+45

72x^2-78x-45

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