Question

ill medal & fan
Which of the following best describes the common ratio in the sequence 6310, 1577.5, 394.375, 98.59375, ...?

6306

8

1/4

4

Answer 1

ratio between two numbers in a geometric sequence
number are in the sequence are increasing or decreasing by same number
to find common ration you can divide next term by the previous one
hmm like this \[\rm r=\frac{ a_2 }{ a_1} ~~or~~\frac{ a_3 }{ a_2 }\]

Answer 2

ratio *

Answer 3

a_2 means 2nd term
a_1 = first term
a_3 = 3rd term

Answer 4

make sense ?

Answer 5

yes thank you

Answer 6

np :=)