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progresión geométrica

Authored by CHESTER Montero

Mathematics

9th Grade

CCSS covered

Used 90+ times

progresión geométrica
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1.-La razón de la siguiente progresión geométrica es?

1,3,9,27,...

r = 2

r=8

r = 3

y=1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2.-En una progresión geométrica a2 = 10 y r = 5. Calcular a1 y a6.

a1 = 5 y a6 = 2·54

a1 = 2/5 y a6 = 2·54

a1 = 2 y a6 = 2·55

a1 = 2 y a6 = 2·54

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

3.-En una progresión geométrica cual seria el séptimo termino, cuyo a1=4 y cuya razón es 3?

a7 = 4

a7 = 108

a7 = 727

a7 = 2916

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

4.-Calculemos la suma de los 5 primeros términos de la P.G.

4 ; 12 ; 36 ; 108 ; ........

972

484

968

524

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

5.-La formula del termino general de la siguiente progresión geométrica es?

1,3,9,27,...

an=3n-1

an=3n-3

an=3n+3

an=3n+1

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

8. Calcula S7 en una progresión geométrica con a4 = 8 y a6 = 32.

S7 = 128

S7 = 40

S7 = 127

S7 = 64

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

La razon (r) de la siguiente progresión geométrica es?

90,-30,10,-10/3,...

r = 1/4

r = -1/3

3,1416

Albarran

Tags

CCSS.HSF.BF.A.2

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