Multiplying Binomials (remedial screen)

Remedial screen for students stuggling to multiply binomials, but having issues with the images: images not "locked" and can't turn off slider points once they are in the right spot. (in a template to go with some other features--scorecard, checkpoints, downloading data, team games--but not concerned about that for now, just looking to fix issues with the arrow images)

By Steve Zuklic