EXAMEN MATEMÁTICAS SIMULADOR
Authored by Ignacio Isa
Others
12th Grade
Used 6+ times
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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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