Juego Virtual

Quiz
•
Mathematics
•
9th Grade
•
Hard
Juan Carlos Rodríguez Ramírez
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Dados los conjuntos unitarios:
A={x+7 ; 2x+5}∧ B={y -3 ; 5y-15}
Hallar el valor de "x + y"
1
2
3
4
5
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Hallar el número de subconjuntos del conjunto "C":
C = {3; 5; {8}{5}; 8; 3}
128
64
32
16
8
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Dados los conjuntos:
A = {-3; -2; -1; ½ ; 1; 2; 3}
B = {X ∈ A/ -2 ≤ X < 3}
C = {X∈ A/ 2x2 + 3x –2 = 0}
El resultado de (A-C) ⋂ B es:
{-1; 1; 2; 3}
{-1; 1; 2}
{-1; 1; 3}
{-1; ½ ; 1; 2}
ninguno.
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
De 40 alumnos de una sección:
15 aprobaron Física,
6 aprobaron Física y Química
y 13 aprobaron Química.
¿Cuántos alumnos desaprobaron los dos cursos mencionados?
18
15
12
10
6
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Si ab = 9 (a + b). Hallar ab
8
18
9
27
81
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿Cuál es el mayor número de 4 cifras del sistema QUINARIO?
4321
4444
5555
5432
5444
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Resuelve: 2(x + 1)+3 = x + 5
0
R
5
1
⊘
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