Question 1078257
The line has a slope of 2 and its equation is y=2x-14. This can be learned from both intercepts given.
The line perpendicular to it has slope -1/2, negative reciprocal.
Point slope formula y-y1=m(x-x1), m is slope (x1,y1) point
y-9=-(1/2)(x+4)
y=-(1/2)x+7
{{{graph(300,300,-20,20,-20,20,2x-14,-(1/2)x+7)}}}