It will take him 120 mins as he runs 8 minute miles
Answer: This equation does not have a vertex.
If the equation is not curved or composed of two straight lines it does not have a vertex.
If you need further explanation let me know. :)
We was just talking about this in my geometric class today
An altitude is a line which passes through a vertex of a triangle, and meets the opposite side at right angles.
anyways it also on googIe