Research and share a real world problem, situation, phenomenon, or event that can be modeled using quadratic equations or inequalities.

Research and share a real world problem, situation, phenomenon, or event that can be modeled using quadratic equations or inequalities. Post the mathematical model describing your application if available.

When a ball is thrown it will go up into the air, then slowing down as it goes, and lastly comedown again. Applying the quadratic equationan example can be when a ball is thrown up straight like...