Answered

IDNStudy.com, kung saan ang iyong mga tanong ay natutugunan ng mabilis na sagot. Makakuha ng mabilis at eksaktong sagot sa iyong mga tanong mula sa aming mga eksperto na laging handang tumulong.

what is the equation for this sequence?
3, -6, 12, -24


Sagot :

If you mean what is the formula for the general term, the general formula for the nth term of a geometric sequence is:
[tex]a_n=a_1*r^{n-1}[/tex]
The common ratio in this geometric sequence is -2, the 1st term is 3 so:
[tex]a_n=3* (-2)^{n-1}[/tex]