- Write a rule for the sequence.
8, -1, -10, -19...
AStart with 8 and add -9 repeatedly
BStart with -9 and add 8 repeatedly
CStart with 8 and add 9 repeatedly
DStart with 8 and subtract -9 repeatedly
AStart with 8 and add -9 repeatedly
BStart with -9 and add 8 repeatedly
CStart with 8 and add 9 repeatedly
DStart with 8 and subtract -9 repeatedly