Question 1091851
The line is y=-2x+7
a line perpendicular to that has slope +1/2, the negative reciprocal to -2
it goes through point (8, 9)
slope-intercept form'y-y1=m(x-x1)
y-9=(1/2)(x-8)
y-9=(1/2)x-4
y=(1/2)x+5
That contains the point (8, 9)
{{{graph(300,300,-10,10,-10,10,-2x+7,(1/2)x+5)}}}