misswellman misswellman
  • 04-05-2017
  • Mathematics
contestada

the fifth term of a geometric system is 112 and the ninth term is 1792. find the common ratio of the sequence

Respuesta :

irspow
irspow irspow
  • 04-05-2017
We can find the common ratio by setting up a ratio :P of the two given points...

Since any geometric sequence term is a(n)=ar^(n-1) and we have two terms we can say:

1792/112=(ar^8)/(ar^4)

16=r^4

r^2=4

r=2

So the common ratio is 2.
Answer Link

Otras preguntas

Christina created a digital artifact in Microsoft Word Online. A word she typed in her document has a red line under it. What kind of error is that? O Spelling
HELPPPPP PLEASEEEE DUE TONIGHT
(((3x)^(-1)-(4y)^(-1)))/((9x)^(-2)-(16y)^(-2))..
Why are my texts green when texting another iphone.
A crate is 3/4 yard long and 2/3 yard wide. The crate is also 2 feet tall. What is the area of the top of the crate?
Two different plants grow each year at different rates, which are represented by the functions f(x) = 4x and g(x) = 5x + 2. What is the first year the f(x) heig
Help me Asap!!!!!!!! -3x +5 (x+3)=23
Please help me 100 points
1. A rectangular kitchen sink is 25.25 inches long, 19,75 inches wide, and 10 inches deep. Find the amount of water that can be contained in the
Locate 4 of the following 5 prescription or over-the-counter medications in your home: aspirin/acetaminophen cold medication stomach medication vitamin and mine