1.Is the sequence geometric? If so, identify the common ratio.

6, 12, 24, 48, ...

yes; 2
yes, –2
yes; 4
no

2.What is the fifth term of the geometric sequence?

5, 15, 45, ...

1,215
1,875
405
3,645

Question

1.Is the sequence geometric? If so, identify the common ratio.

6, 12, 24, 48, ...  

    yes; 2
    yes, –2
    yes; 4
    no

2.What is the fifth term of the geometric sequence?

5, 15, 45, ...

    1,215
    1,875
    405
    3,645

highschoolmom2010 · Answer

1. yes 2
2.405 

1) to get the answer the previous term *2 
2) to get next term multiply given term by 3

highschoolmom2010 · Answer

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