Use BuddyPress Polls plugin to create polls inside the activity, let your user response to your polls. Members can create pools like activities, easily votes on them.
Plugins come with a widget to display poll results with graphs. It’s an independent plugin, extends BuddyPress Activity as Post update Polls, works perfectly for individual Activities and BuddyPress Groups.
Members can create polls with single choice options and multiple choice options both at the frontend. It will be an exclusive add-on for your BuddyPress powered community.