
TAREA: Progresión aritmética y Geométrica
Authored by CYNDI TRIGUEROS
Mathematics
University
Used 6+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
De una progresión aritmética se conoce que a4 = 2 y a6 = 6. Calcula : r y el segundo término .
r= -2 y a2 = 6
r= 2 y a2 = 8
r= 2 y a2 = -2
r = -2 y a2 = -2
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
En una progresión aritmética a1 = 12, an = 20 y Sn = 160. Calcula n.
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Calcula la suma de los 20 primeros números pares.
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Observa el siguiente gráfico, determina, cuantos fósforos forman 7 hexágonos.
42 fósforos
47 fósforos
31 fósforos
36 fósforos
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Con el fin de prepararse para una carrera, un deportista comienza corriendo 3 km y aumenta 1,5 km su recorrido cada día. ¿Cuántos días tiene que entrenar para llegar a un recorrido de 15 km?
5 días.
7 días.
8 días
9 días
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
El alquiler de una moto taxi durante la primera hora cuesta S/10, y S/6 más cada nueva hora. ¿Cuánto se debe pagar si el alquiler fue por 12 horas?
S/.76
S/. 78
S/. 82
S/. 92
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
En una PG, el y , entonces la razón es:
6
1/6
- 1/6
- 6
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