Ok so, at least Six justices have to vote at all to decide an issue, and no matter how many justices are voting, a Majority Vote must be attained. So if Nine justices were to vote, Five justices would have to be for one side, as five would be majority over the four remaining justices.
What do you mean by represented?
Voter
participation in political campaigns and elections increased due to the new
party system, new campaigning methods, and new topics of debate during the Era
of Good Feelings are the ways, forces and events that led to the changes of
participation in political campaigns and elections in the United States changed
between 1815 and 1840.
