3 years ago

What is the common ratio for geometric sequence: 5,15,45,135 ?

Mathematics

1 answer:

serg [7]3 years ago

5 0

Answer:

the common ratio is 3

Step-by-step explanation:

to solve for the common ratio, I like to take the second term and divide it by the first term

15/5 = 3

then I will check the rest of the terms

15*3 = 45

45*3 = 135

It looks like the common ratio is correct!

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What is the common ratio for geometric sequence: 5,15,45,135 ?​

What is the common ratio for geometric sequence: 5,15,45,135 ?