5. Find the 8th term in the geometric sequence with t4 = 48 and t6 = 192.
a. + or - 1536
b.768
c. + or - 384
d. 192
Still Need Help?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
b. 768
OpenStudy (anonymous):
egjactly t1=6 t2=12 t3=24 t4=48 t5=96 t6=196 so each step the previous term is multiplied by 2
then t8=t6*4 or 192*4=768
OpenStudy (anonymous):
@theyatin
Maybe 2 or -2 ...
OpenStudy (anonymous):
nope only 2
OpenStudy (anonymous):
take -2 ...it works also !
Still Need Help?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
it doesnt. it will make the multiple negative. . . dont consider it. . .
OpenStudy (anonymous):
Sorry ! But you have problem with negative numbers ...?!
t7=192*2 or 192*-2 !
OpenStudy (anonymous):
you made a mistake ...Sorry !
OpenStudy (anonymous):
let it be neemo typing mistake. . .
96*2=192
96*-2=-193 there is a huge difference if u consider -2
OpenStudy (anonymous):
oh my god calm down please : ))))))))))))
Still Need Help?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
2and -2 give both the same result for t8 t10 t12 but for t7 t9 t10 you can't really know !!!
sorry, Summer1nthex1 ...... I ' m sure ...you can ask your teacher ; if you want :D :D