This engaging resources covers the following skills:y = mx + b from a graphcomparing functions linear vs. non-linearfunction or notproportional or notdividing in scientific notationThe skills are reviewed through 4 sheets corresponding to 4 codes of an escape room. I provided my 8th graders 35 minutes to escape. When they broke a code, I had them sign the front whiteboard so I could track their progress. The google form is provided and can be posted to your google classroom. An answer key is als