Natalia is writing a recursive formula to represent the sequence.
8, 12, 18, 27, ...
What value should she use as the common ratio in the formula?
Answers
Answered by
2
This is a geometric sequence:
a = 8, a2 = 12, a3 = 18, a4 = 27,...
12 = r · 8 ⇒ r = 12 : 8 = 1.5
r = 1.5. We can justify it:
18 = 8 · 1.5² = 8 · 2.25 ( true )
27 = 8 · 1.5³ = 8 · 3.375 ( true )
Answered by
3
Answer:
The correct answer is C) 3/2 (also converted into decimals as 1.5)
Step-by-step explanation:
This guy above can also find Desmos Scientific Calculator to convert fractions to decimals, it's really easy to find the answer for your questions. Hope this helps.
Edge2021
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