(1) QUORUM. Except as otherwise provided in this chapter, the articles of incorporation or the bylaws, a quorum of a board consists of a majority of the directors in office immediately before a meeting begins.
(2) VOTING. If a quorum is present when a vote is taken, the affirmative vote of a majority of directors present is the act of the board unless this chapter, the articles of incorporation or the bylaws require the vote of a greater number of directors.