is this using substation or elimination?
Elimination (linear combinations).
how can u tell which to use?
Do the one that seem easier. Substitution and Elimination alway work. Graphing is difficult sometimes but can help you tell if you answer is reasonable. Look back at 12-3
is this using substation or elimination?
ReplyDeleteElimination (linear combinations).
Deletehow can u tell which to use?
ReplyDeleteDo the one that seem easier. Substitution and Elimination alway work. Graphing is difficult sometimes but can help you tell if you answer is reasonable. Look back at 12-3
Delete