Cuestionario Unidad 1: Los números reales
Quiz
•
Mathematics, Chemistry
•
1st Grade
•
Practice Problem
•
Medium
Alicia Martín
Used 6+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
La suma de dos números racionales no puede ser un número entero.
V, porque al sumar dos fracciones siempre nos va a dar otra fracción
F, por ejemplo 2/3 + 1/3 = 1 que es entero
V, porque los números enteros no pueden ser racionales
F, por ejemplo 2/3 + 3/2 = 1
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
El conjunto de números mayores o iguales que -3 y menores que -1 es :
[-3,-1]
(-3,-1)
(-1,-3]
[-3,1)
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
cuál de los siguientes números no es real?
Pi
Raíz de 5
i
-2/3
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
a
b
c
los tres son iguales
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
La raíz cúbica de un número negativo es un número imaginario
verdadero, porque ninguna raíz de un número negativo puede hacerse en los reales
Falso, porque un número negativo al cubo es negativo siempre
-1
4
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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