
Diagnóstico 8vo
Authored by Beatriz Espinoza
Mathematics
6th - 8th Grade
Used 1+ times

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29 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuál es la raíz cuadrada de 81?
7
9
11
Answer explanation
La raíz cuadrada de 81 es 9, que es la opción correcta.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Juan tiene 45 tarjetas. Si quiere repartir las tarjetas entre 9 amigos de manera equitativa, ¿cuántas tarjetas recibirá cada uno?
4
5
6
Answer explanation
Cada amigo recibirá 5 tarjetas, ya que 45 dividido entre 9 es igual a 5. Esta es la cantidad equitativa de tarjetas que recibirán.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuál es el resultado de (−3)4
-81
81
-27
Answer explanation
El resultado de (−3)^4 es 81, ya que un número negativo elevado a una potencia par siempre es positivo.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuál es la factorización prima de 60?
2 ⋅ 30
22 ⋅ 15
22 ⋅ 3 ⋅ 5
Answer explanation
La factorización prima de 60 es 2^2 ⋅ 3 ⋅ 5, que es la opción correcta.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuál es la raíz cuarta de 16?
2
4
8
Answer explanation
La raíz cuarta de 16 es 2 porque 2 elevado a la cuarta potencia es igual a 16. Por lo tanto, la respuesta correcta es 2.
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuál es la raíz cúbica de 64?
3
4
6
Answer explanation
La raíz cúbica de 64 es 4. Es la única opción correcta ya que 4 al cubo es igual a 64.
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuál es la factorización prima de 24?
22 ⋅ 6
23 ⋅ 3
32 ⋅ 4
Answer explanation
La factorización prima de 24 es 2^3 ⋅ 3. Esta opción es la correcta.
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