The experimentalporbability of the spinner landing on 5 is 7/10 kieron spins the spinner 200 times

Jacob is graphing the line represented by the equation  −6x−5y=12.−6x−5y=12.  he first plots the  x-x-  and  y-interceptsy-intercepts  as follows.    which statement is correct regarding the intercepts on the graph?

Ineed ! i can’t figure out this graph

What is the location of maximum over the interval [-3,1.5] for the graphed function?