Football Graphing Practice

Can you generate the equation of the line so that the base of the helmet rests on the line?

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1) What are your five equations?

2) Expalin (in detail) your process for calculating each equation. (i.e. what information did you use, how did you determine the slope, etc. and guess and check is NOT as acceptable answer.

Michae Seiler, Created with GeoGebra