Question

what's the pattern in this sequence
-2, 1/2, -5/4, 7/8

Answer 1

this shiet's supposed to be fkn ez, but feeling retard this morning, sorry for if any obvious stupidity

Answer 2

lol np... Its 11pm here in SA LOL
okay so u have 2 distinct patterns...
you cant work with x/5 and x/8 , etc. so make it simple, take everything to x/8 so ur pattern looks like this
-16/8 ; 4/8 ; -5/4 ; 7/8 so ur negatives are 1 sequence and positives are another...
okay so ur negs are x + 4/8 and ur pos is increasing by x + 3/8, and its a linear eq... hope from here on u can figure out the eq...
hope it helps

Answer 3

no it doesn't work ..

Answer 4

Χ+6/8 for the negatives, and i think that in all the other things cyber is correct

Answer 5

but there aren't enough numbers to prove the validity of such pattern..

Answer 6

im sorry yes doppler is right typo... x+6/8
and in these cases, wel u can ry figuring out a general pattern for this sequence, it isnt possilbe(not that I know of), these cases U need to break them up

Answer 7

i cant figure it out, hangover from last night T_T
help plz :S

Answer 8

lol did this a long time ago...

Answer 9

cyber, i understand your logic, just that there ain't enough prove for that pattern

Answer 10

okay uhm there is no other way of doing this.... this is what I suggest...
for negs
n = 6/8*n - 11/4
for pos
3/8*n + 1/8
hope this helps

then complete the pattern up where ever (sub in n)
if they wanted a geometric sequence, they would give only 3 terms of the sequence but becuase it isnt a geometric, it is only this...