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Algebra
Pregunta

5. Look at the following sequences and figure out ...

5. Look at the following sequences and figure out if they re geometric, arithmetic, or neither: If it is geometric, determine the common ratio. If it is orithmetic, determine the common difference. (THIS IS NOT MULTIPLE CHOICE) 

a) \( 3 , - 6,12 , - 24,48 , \ldots \) 

b) \( 9 , - 1 , - 11 , - 21 ; - 31 , \ldots \) 

c) \( 27,9,3,1 , \ldots\) 

Answer

a)

Geometric sequence 

a=3 

r=-2

b) Arithmetic sequence 

a=9

d=-10

C) 

Geometric sequence

a=27

r=1/3

Solución
View full explanation on CameraMath App.