Quadratic equations are not included in the 1st build of Math Classroom Challenge (Windows) and Math Street Challenge (iOS-AR), but you can expect to find them soon in new builds.
Meanwhile, the Augmented Version (iOS) version of Math Street Challenge is now at the App Store, and the Windows version, Math Classroom Challenge and its Oculus version is in final test for being released next June 1st. Thank you for your support.