Switzerland, who lead the way with nine wins and one defeat, hosts Canada, Japan and Sweden secured their places in the play-offs on Thursday.
South Korea, China and Turkey and Italy are vying for the two remaining places.
With four wins and seven defeats, Henderson's rink cannot qualify no matter the result of their final round-robin match on Friday against Norway, which will be shown on the BBC Sport website and iPlayer from 20:00 GMT.
Henderson's rink - Lisa Davie, Hailey Duff and Katie McMillan - are competing in their first World Championships after their recent national championship win in Dumfries. Sophie Jackson's rink, who represented Great Britain at the Winter Olympics, were absent from that competition.