11mo matematica diagnstica

Quiz
•
Mathematics
•
1st - 3rd Grade
•
Medium
Pablo Antonio Espinoza Padilla
Used 6+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sean A= { 1,2,3,4,5 } y B = { 0, 2, 4, 6 }
entonces , la unión de los conjuntos A y B es:
A U B = {2, 4}
A U B = {1, 2, 3, 4, 5}
A U B = {0, 1, 2, 3, 4, 5, 6}
A U B = {0, 2, 4, 6}
Answer explanation
La unión de dos conjustos son todos lo elementos de ambos conjuntos tantocomunes como no comunes.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sean A = {1, 2, 3, 4, 5} y B= {2, 4, 6} entonces,
la intersección de los conjuntos A y B es:
A ∩ B = {2, 4}
. A ∩ B = {1, 2, 3, 4, 5}
A ∩ B = {2, 4, 6}
A ∩ B = {1, 2, 3, 4, 5, 6}
Answer explanation
La intersección de dos conjuntos son los elementos que se repiten en ambos conjuntos .
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La solución de la inecuación: x - 3 > 5
x = 8
x > 2
x > 8
x = 2
Answer explanation
Se debe hacer transposición de términos y luego reducirlos.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La solución de la inecuación: 2 < x - 3 ≤ 4
5 < x ≤ 7
-1 < x ≤ 1
3 < x ≤ 7
1 < x ≤ 6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La solución de la ecuación: |x| = 3
x = -3
x = -3 , x = 0 ó x = 3
x = 3
x = -3 ó x = 3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las soluciones de la ecuación de segundo grado: x2 - 2 = 0
x = -2 ó x = 2
x = -1 ó x = 1
x = -√2 ó x = √2
x = 0 ó x = √2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las soluciones de la inecuación x2 – 4 > 0
x < -2 ó x > 4
x < -4 ó x > 2
x < -2 ó x > 2
x < -4 ó x > 4
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